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Bochs/bochs/iodev/usb_xhci.cc
Volker Ruppert bdbe2cfb03 - added more values in register_state() (not yet complete) 
- don't add reserved bitfields to the save/restore tree
- some fixes for big endian machines
- TODO: init max_packet_size in USB devices, find test case, ...
2011-07-10 09:30:04 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2010-2011 Benjamin D Lunt (fys [at] fysnet [dot] net)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
/////////////////////////////////////////////////////////////////////////
// Experimental USB xHCI adapter
// Define BX_PLUGGABLE in files that can be compiled into plugins. For
// platforms that require a special tag on exported symbols, BX_PLUGGABLE
// is used to know when we are exporting symbols and when we are importing.
#define BX_PLUGGABLE
/* Notes:
* bochsrc.txt line: #usb_xhci: enabled=1, port3=keypad
* port1 & 2 are USB3, while port3 & 4 are USB2
*
* This code *should* be 64-bit addressing aware (uses: bx_phy_address & ADDR_CAP_64)
*
*
*
* This emulation is experimental. It is not completly accorate, though it is
* my intention to make it as close as possible. If you find an error or would
* like to add to the emulation, please let me know at fys [at] fysnet [dot] net.
*
*
*
*/
#include "iodev.h"
#if BX_SUPPORT_PCI && BX_SUPPORT_USB_XHCI
#include "pci.h"
#include "usb_common.h"
#include "usb_xhci.h"
#define LOG_THIS theUSB_XHCI->
bx_usb_xhci_c* theUSB_XHCI = NULL;
Bit8u port_speed_allowed[USB_XHCI_PORTS] = { USB3, USB3, USB2, USB2 };
Bit8u ext_caps[EXT_CAPS_SIZE] = {
0x01, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x04, 0x00, 0x03, 0x55, 0x53, 0x42, 0x20, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x00, 0x00, 0x02, 0x55, 0x53, 0x42, 0x20, 0x03, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
Bit8u port_band_width[4][1 + USB_XHCI_PORTS] = {
{ 0x00, 0x00, 0x00, 0x5A, 0x5A }, // 90%
{ 0x00, 0x00, 0x00, 0x5A, 0x5A }, // 90%
{ 0x00, 0x00, 0x00, 0x50, 0x50 }, // 80%
{ 0x00, 0x5A, 0x5A, 0x00, 0x00 } // 90%
};
int libusb_xhci_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[])
{
theUSB_XHCI = new bx_usb_xhci_c();
BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theUSB_XHCI, BX_PLUGIN_USB_XHCI);
return 0; // Success
}
void libusb_xhci_LTX_plugin_fini(void)
{
delete theUSB_XHCI;
}
bx_usb_xhci_c::bx_usb_xhci_c()
{
put("XHCI");
memset((void*)&hub, 0, sizeof(bx_usb_xhci_t));
device_buffer = NULL;
hub.iolight_timer_index = BX_NULL_TIMER_HANDLE;
}
bx_usb_xhci_c::~bx_usb_xhci_c()
{
char pname[16];
if (BX_XHCI_THIS device_buffer != NULL)
delete [] BX_XHCI_THIS device_buffer;
for (int i=0; i<USB_XHCI_PORTS; i++) {
sprintf(pname, "port%d.device", i+1);
SIM->get_param_string(pname, SIM->get_param(BXPN_USB_XHCI))->set_handler(NULL);
remove_device(i);
}
BX_DEBUG(("Exit"));
}
void bx_usb_xhci_c::init(void)
{
unsigned i;
char pname[6];
bx_list_c *port;
bx_param_string_c *device, *options;
BX_XHCI_THIS device_buffer = new Bit8u[65536];
// TODO: Use this to decrement the Interrupter:count down value
// Call our frame timer routine every 1mS (1,000uS)
// Continuous and active
// BX_XHCI_THIS hub.frame_index =
// bx_pc_system.register_timer(this, usb_frame_handler, 1000, 1,1, "xhci.frame_timer");
BX_XHCI_THIS hub.devfunc = 0x00;
DEV_register_pci_handlers(this, &BX_XHCI_THIS hub.devfunc, BX_PLUGIN_USB_XHCI,
"Experimental USB xHCI");
for (i=0; i<256; i++)
BX_XHCI_THIS pci_conf[i] = 0x0;
BX_XHCI_THIS pci_base_address[0] = 0x0;
//FIXME: for now, we want a status bar // hub zero, port zero
BX_XHCI_THIS hub.statusbar_id = bx_gui->register_statusitem("xHCI");
bx_list_c *usb_rt = (bx_list_c*)SIM->get_param(BXPN_MENU_RUNTIME_USB);
bx_list_c *xhci = (bx_list_c*)SIM->get_param(BXPN_USB_XHCI);
xhci->set_options(xhci->SHOW_PARENT | xhci->USE_BOX_TITLE);
xhci->set_runtime_param(1);
usb_rt->add(xhci);
for (i=0; i<USB_XHCI_PORTS; i++) {
// check to see if the speed matches the port given
// if (((get_speed(i) <= SPEED_HI) && (port_speed_allowed[i] != USB2)) ||
// ((get_speed(i) == SPEED_SUPER) && (port_speed_allowed[i] != USB3)))
// BX_PANIC(("Speed of port given in Bochsrc.txt file doesn't match controllers' port's speed."));
sprintf(pname, "port%d", i+1);
port = (bx_list_c*)SIM->get_param(pname, xhci);
port->set_runtime_param(1);
device = (bx_param_string_c*)port->get_by_name("device");
device->set_handler(usb_param_handler);
device->set_runtime_param(1);
options = (bx_param_string_c*)port->get_by_name("options");
options->set_runtime_param(1);
BX_XHCI_THIS hub.usb_port[i].device = NULL;
BX_XHCI_THIS hub.usb_port[i].portsc.ccs = 0;
BX_XHCI_THIS hub.usb_port[i].portsc.csc = 0;
}
// register timer for i/o light
if (BX_XHCI_THIS hub.iolight_timer_index == BX_NULL_TIMER_HANDLE) {
BX_XHCI_THIS hub.iolight_timer_index =
DEV_register_timer(this, iolight_timer_handler, 5000, 0,0, "xHCI i/o light");
}
BX_XHCI_THIS hub.iolight_counter = 0;
// register handler for correct device connect handling after runtime config
SIM->register_runtime_config_handler(BX_XHCI_THIS_PTR, runtime_config_handler);
BX_XHCI_THIS hub.device_change = 0;
BX_INFO(("USB xHCI initialized"));
}
void bx_usb_xhci_c::reset(unsigned type)
{
unsigned i;
if (type == BX_RESET_HARDWARE) {
static const struct reset_vals_t {
unsigned addr;
unsigned char val;
} reset_vals[] = {
{ 0x00, 0x33 }, { 0x01, 0x10 }, // 0x1033 = vendor // TODO: Change the VendorID and DeviceID to something else ????
{ 0x02, 0x94 }, { 0x03, 0x01 }, // 0x0194 = device
{ 0x04, 0x06 }, { 0x05, 0x01 }, // command_io
{ 0x06, 0x10 }, { 0x07, 0x00 }, // status (has caps list)
{ 0x08, 0x03 }, // revision number = 0x03
{ 0x09, 0x30 }, // interface
{ 0x0A, 0x03 }, // class_sub USB Host Controller
{ 0x0B, 0x0C }, // class_base Serial Bus Controller
{ 0x0C, 0x10 }, // cache line size
{ 0x0D, 0x00 }, // bus latency
{ 0x0E, 0x00 }, // header_type_generic
// address space 0x10 - 0x13
{ 0x10, 0x04 }, { 0x11, 0x00 }, //
{ 0x12, 0x50 }, { 0x13, 0xF0 }, //
{ 0x2C, 0xFF }, { 0x2D, 0xFF }, // subsystem vendor ID
{ 0x2E, 0xFF }, { 0x2F, 0xFF }, // subsystem ID
{ 0x34, 0x50 }, // offset of capabilities list within configuration space
{ 0x3C, 0x0A }, // IRQ
{ 0x3D, BX_PCI_INTD }, // INT
{ 0x3E, 0x00 }, // minimum time bus master needs PCI bus ownership, in 250ns units
{ 0x3F, 0x00 }, // maximum latency, in 250ns units (bus masters only) (read-only)
// capabilities list:
{ 0x50, 0x01 }, // PCI Power Management
{ 0x51, 0x00 }, // Pointer to next item (0x00 = no more)
{ 0x52, 0x03 }, { 0x53, 0x48 }, // Capabilities: version = 1.2, self powered, PME# asserted from D0 & D3
{ 0x54, 0x08 }, { 0x55, 0x00 }, // Status: Bit 3 = no soft reset
{ 0x60, 0x30 }, //
{ 0x61, 0x20 } //
};
for (i = 0; i < sizeof(reset_vals) / sizeof(*reset_vals); i++) {
BX_XHCI_THIS pci_conf[reset_vals[i].addr] = reset_vals[i].val;
}
}
BX_XHCI_THIS reset_hc();
}
void bx_usb_xhci_c::reset_hc()
{
int i;
char pname[6];
// Capability registers
BX_XHCI_THIS hub.cap_regs.HcCapLength = (VERSION_MAJOR << 24) | (VERSION_MINOR << 16) | OPS_REGS_OFFSET;
BX_XHCI_THIS hub.cap_regs.HcSParams1 = (USB_XHCI_PORTS << 24) | (INTERRUPTERS << 8) | MAX_SLOTS;
BX_XHCI_THIS hub.cap_regs.HcSParams2 =
// MAX_SCRATCH_PADS 4:0 in bits 31:27 (v1.00) and bits 9:5 in bits 21:25 (v1.01)
((MAX_SCRATCH_PADS >> 5) << 21) | ((MAX_SCRATCH_PADS & 0x1F) << 27) |
((SCATCH_PAD_RESTORE == 1) << 26) | (MAX_SEG_TBL_SZ_EXP << 4) | ISO_SECH_THRESHOLD;
BX_XHCI_THIS hub.cap_regs.HcSParams3 = (U2_DEVICE_EXIT_LAT << 16) | U1_DEVICE_EXIT_LAT;
BX_XHCI_THIS hub.cap_regs.HcCParams =
((EXT_CAPS_OFFSET >> 2) << 16) | (MAX_PSA_SIZE << 12) | (SEC_DOMAIN_BAND << 9) | (FORCED_STOPPED << 8) |
(LIGHT_HC_RESET << 5) |
(PORT_INDICATORS << 4) | (PORT_POWER_CTRL << 3) | ((CONTEXT_SIZE >> 6) << 2) |
(BW_NEGOTIATION << 1) | ADDR_CAP_64;
BX_XHCI_THIS hub.cap_regs.DBOFF = DOORBELL_OFFSET; // at offset DOORBELL_OFFSET from base
BX_XHCI_THIS hub.cap_regs.RTSOFF = RUNTIME_OFFSET; // at offset RUNTIME_OFFSET from base
BX_DEBUG((" CAPLENGTH: 0x%02X", BX_XHCI_THIS hub.cap_regs.HcCapLength & 0xFF));
BX_DEBUG(("HC VERSION: %X.%02X", ((BX_XHCI_THIS hub.cap_regs.HcCapLength & 0xFF000000) >> 24),
((BX_XHCI_THIS hub.cap_regs.HcCapLength & 0x00FF0000) >> 16)));
BX_DEBUG(("HCSPARAMS1: 0x%08X", BX_XHCI_THIS hub.cap_regs.HcSParams1));
BX_DEBUG(("HCSPARAMS2: 0x%08X", BX_XHCI_THIS hub.cap_regs.HcSParams2));
BX_DEBUG(("HCSPARAMS3: 0x%08X", BX_XHCI_THIS hub.cap_regs.HcSParams3));
BX_DEBUG((" HCCPARAMS: 0x%08X", BX_XHCI_THIS hub.cap_regs.HcCParams));
BX_DEBUG((" DBOFF: 0x%08X", BX_XHCI_THIS hub.cap_regs.DBOFF));
BX_DEBUG((" RTSOFF: 0x%08X", BX_XHCI_THIS hub.cap_regs.RTSOFF));
// Command
BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP1 = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.eu3s = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.ewe = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.crs = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.css = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.lhcrst = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP0 = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.hsee = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.inte = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.hcrst = 0;
BX_XHCI_THIS hub.op_regs.HcCommand.rs = 0;
// Status
BX_XHCI_THIS hub.op_regs.HcStatus.RsvdZ1 = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.hce = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.cnr = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.sre = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.rss = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.sss = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.RsvdZ0 = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.pcd = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.eint = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.hse = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.RsvdZ2 = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.hch = 1;
// Page Size
BX_XHCI_THIS hub.op_regs.HcPageSize.pagesize = PAGE_SIZE;
// Device Notification Control Register
BX_XHCI_THIS hub.op_regs.HcNotification.RsvdP = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n15 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n14 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n13 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n12 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n11 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n10 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n9 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n8 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n7 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n6 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n5 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n4 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n3 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n2 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n1 = 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n0 = 0;
// Command Ring Control Register
BX_XHCI_THIS hub.op_regs.HcCrcr.crc = 0;
BX_XHCI_THIS hub.op_regs.HcCrcr.RsvdP = 0;
BX_XHCI_THIS hub.op_regs.HcCrcr.crr = 0;
BX_XHCI_THIS hub.op_regs.HcCrcr.ca = 0;
BX_XHCI_THIS hub.op_regs.HcCrcr.cs = 0;
BX_XHCI_THIS hub.op_regs.HcCrcr.rcs = 0;
// DCBAAP
BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap = 0;
// Config
BX_XHCI_THIS hub.op_regs.HcConfig.RsvdP = 0;
BX_XHCI_THIS hub.op_regs.HcConfig.MaxSlotsEn = 0;
// Ports[x]
for (i=0; i<USB_XHCI_PORTS; i++) {
reset_port(i);
if (BX_XHCI_THIS hub.usb_port[i].device == NULL) {
sprintf(pname, "port%d", i+1);
init_device(i, (bx_list_c*)SIM->get_param(pname, SIM->get_param(BXPN_USB_XHCI)));
} else {
usb_set_connect_status(i, BX_XHCI_THIS hub.usb_port[i].device->get_type(), 1);
}
}
// first half are USB3 ports, second half are USB2 ports
for (i=0; i<(USB_XHCI_PORTS / 2); i++) {
BX_XHCI_THIS hub.usb_port[i].is_usb3 = 1;
BX_XHCI_THIS hub.usb_port[i + (USB_XHCI_PORTS / 2)].is_usb3 = 0;
}
// Extended Caps
for (i=0; i<EXT_CAPS_SIZE; i++)
BX_XHCI_THIS hub.extended_caps[i] = ext_caps[i];
// interrupters[x]
BX_XHCI_THIS hub.runtime_regs.mfindex.RsvdP = 0;
BX_XHCI_THIS hub.runtime_regs.mfindex.index = 0;
for (i=0; i<INTERRUPTERS; i++) {
BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.RsvdP = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.ie = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.ip = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].imod.imodc = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].imod.imodi = 4000;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.RsvdP = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.erstabsize = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].RsvdP = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.RsvdP = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.ehb = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.desi = 0;
}
// reset our slot contexts
for (i=0; i<MAX_SLOTS; i++)
BX_XHCI_THIS hub.slots[i].enabled = 0;
}
void bx_usb_xhci_c::reset_port(int p)
{
BX_XHCI_THIS hub.usb_port[p].portsc.wpr = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.dr = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.woe = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.wde = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.wce = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.cas = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.cec = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.plc = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.prc = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.occ = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.wrc = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.pec = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.csc = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.lws = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.pic = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.speed = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.pp = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.pls = PLS_RXDETECT;
BX_XHCI_THIS hub.usb_port[p].portsc.pr = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.oca = 0;
BX_XHCI_THIS hub.usb_port[p].portsc.ped = 0;
if (BX_XHCI_THIS hub.usb_port[p].is_usb3) {
BX_XHCI_THIS hub.usb_port[p].usb3.portpmsc.RsvdP = 0;
BX_XHCI_THIS hub.usb_port[p].usb3.portpmsc.fla = 0;
BX_XHCI_THIS hub.usb_port[p].usb3.portpmsc.u2timeout = 0;
BX_XHCI_THIS hub.usb_port[p].usb3.portpmsc.u1timeout = 0;
BX_XHCI_THIS hub.usb_port[p].usb3.portli.lec = 0;
} else {
BX_XHCI_THIS hub.usb_port[p].usb2.portpmsc.tmode = 0;
BX_XHCI_THIS hub.usb_port[p].usb2.portpmsc.RsvdP = 0;
BX_XHCI_THIS hub.usb_port[p].usb2.portpmsc.hle = 0;
BX_XHCI_THIS hub.usb_port[p].usb2.portpmsc.l1dslot = 0;
BX_XHCI_THIS hub.usb_port[p].usb2.portpmsc.hird = 0;
BX_XHCI_THIS hub.usb_port[p].usb2.portpmsc.rwe = 0;
BX_XHCI_THIS hub.usb_port[p].usb2.portpmsc.l1s = 0;
BX_XHCI_THIS hub.usb_port[p].usb2.portli.RsvdP = 0;
}
}
// returns 0 = no error
bx_bool bx_usb_xhci_c::save_hc_state(void)
{
/// Currently does nothing...
Bit8u buffer[256];
Bit64u p;
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap, 16, buffer);
ReadHostQWordFromLittleEndian(&buffer[0], p);
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address)p, 16, buffer);
ReadHostQWordFromLittleEndian(&buffer[0], p);
memset(buffer, 0x22, 256);
DEV_MEM_WRITE_PHYSICAL_BLOCK(p, 256, buffer);
// set a flag that says we have a valid saved state
//#define SCATCH_PAD_RESTORE 1 // 1 = uses system memory and must be maintained.
// 0 = uses controller's internal memory
//#define MAX_SCRATCH_PADS 1
// If SCATCH_PAD_RESTORE == 1, then save state as usual, but modify buffer given by software.
return 0;
}
// returns 0 = no error
bx_bool bx_usb_xhci_c::restore_hc_state(void)
{
/// Currently does nothing...
// if flag not set that we have a valid saved state, return error (1)
//#define SCATCH_PAD_RESTORE 1 // 1 = uses system memory and must be maintained.
// 0 = uses controller's internal memory
//#define MAX_SCRATCH_PADS 1
// If SCATCH_PAD_RESTORE == 1, then restore state from buffer given by software.
return 0;
}
void bx_usb_xhci_c::register_state(void)
{
unsigned i;
char tmpname[16];
bx_list_c *hub, *port, *reg, *reg_grp, *reg_grp1;
bx_list_c *list = new bx_list_c(SIM->get_bochs_root(), "usb_xhci", "USB xHCI State");
hub = new bx_list_c(list, "hub", 8);
reg_grp = new bx_list_c(hub, "cap_regs", 7);
new bx_shadow_num_c(reg_grp, "HcCapLength", &BX_XHCI_THIS hub.cap_regs.HcCapLength, BASE_HEX);
new bx_shadow_num_c(reg_grp, "HcSParams1", &BX_XHCI_THIS hub.cap_regs.HcSParams1, BASE_HEX);
new bx_shadow_num_c(reg_grp, "HcSParams2", &BX_XHCI_THIS hub.cap_regs.HcSParams2, BASE_HEX);
new bx_shadow_num_c(reg_grp, "HcSParams3", &BX_XHCI_THIS hub.cap_regs.HcSParams3, BASE_HEX);
new bx_shadow_num_c(reg_grp, "HcCParams", &BX_XHCI_THIS hub.cap_regs.HcCParams, BASE_HEX);
new bx_shadow_num_c(reg_grp, "DBOFF", &BX_XHCI_THIS hub.cap_regs.DBOFF, BASE_HEX);
new bx_shadow_num_c(reg_grp, "RTSOFF", &BX_XHCI_THIS hub.cap_regs.RTSOFF, BASE_HEX);
reg_grp = new bx_list_c(hub, "op_regs", 7);
reg = new bx_list_c(reg_grp, "HcCommand", 9);
new bx_shadow_bool_c(reg, "eu3s", &BX_XHCI_THIS hub.op_regs.HcCommand.eu3s);
new bx_shadow_bool_c(reg, "ewe", &BX_XHCI_THIS hub.op_regs.HcCommand.ewe);
new bx_shadow_bool_c(reg, "crs", &BX_XHCI_THIS hub.op_regs.HcCommand.crs);
new bx_shadow_bool_c(reg, "css", &BX_XHCI_THIS hub.op_regs.HcCommand.css);
new bx_shadow_bool_c(reg, "lhcrst", &BX_XHCI_THIS hub.op_regs.HcCommand.lhcrst);
new bx_shadow_bool_c(reg, "hsee", &BX_XHCI_THIS hub.op_regs.HcCommand.hsee);
new bx_shadow_bool_c(reg, "inte", &BX_XHCI_THIS hub.op_regs.HcCommand.inte);
new bx_shadow_bool_c(reg, "hcrst", &BX_XHCI_THIS hub.op_regs.HcCommand.hcrst);
new bx_shadow_bool_c(reg, "rs", &BX_XHCI_THIS hub.op_regs.HcCommand.rs);
reg = new bx_list_c(reg_grp, "HcStatus", 9);
new bx_shadow_bool_c(reg, "hce", &BX_XHCI_THIS hub.op_regs.HcStatus.hce);
new bx_shadow_bool_c(reg, "cnr", &BX_XHCI_THIS hub.op_regs.HcStatus.cnr);
new bx_shadow_bool_c(reg, "sre", &BX_XHCI_THIS hub.op_regs.HcStatus.sre);
new bx_shadow_bool_c(reg, "rss", &BX_XHCI_THIS hub.op_regs.HcStatus.rss);
new bx_shadow_bool_c(reg, "sss", &BX_XHCI_THIS hub.op_regs.HcStatus.sss);
new bx_shadow_bool_c(reg, "pcd", &BX_XHCI_THIS hub.op_regs.HcStatus.pcd);
new bx_shadow_bool_c(reg, "eint", &BX_XHCI_THIS hub.op_regs.HcStatus.eint);
new bx_shadow_bool_c(reg, "hse", &BX_XHCI_THIS hub.op_regs.HcStatus.hse);
new bx_shadow_bool_c(reg, "hch", &BX_XHCI_THIS hub.op_regs.HcStatus.hch);
new bx_shadow_num_c(reg_grp, "HcPageSize", &BX_XHCI_THIS hub.op_regs.HcPageSize.pagesize, BASE_HEX);
reg = new bx_list_c(reg_grp, "HcNotification", 17);
new bx_shadow_bool_c(reg, "n15", &BX_XHCI_THIS hub.op_regs.HcNotification.n15);
new bx_shadow_bool_c(reg, "n14", &BX_XHCI_THIS hub.op_regs.HcNotification.n14);
new bx_shadow_bool_c(reg, "n13", &BX_XHCI_THIS hub.op_regs.HcNotification.n13);
new bx_shadow_bool_c(reg, "n12", &BX_XHCI_THIS hub.op_regs.HcNotification.n12);
new bx_shadow_bool_c(reg, "n11", &BX_XHCI_THIS hub.op_regs.HcNotification.n11);
new bx_shadow_bool_c(reg, "n10", &BX_XHCI_THIS hub.op_regs.HcNotification.n10);
new bx_shadow_bool_c(reg, "n9", &BX_XHCI_THIS hub.op_regs.HcNotification.n9);
new bx_shadow_bool_c(reg, "n8", &BX_XHCI_THIS hub.op_regs.HcNotification.n8);
new bx_shadow_bool_c(reg, "n7", &BX_XHCI_THIS hub.op_regs.HcNotification.n7);
new bx_shadow_bool_c(reg, "n6", &BX_XHCI_THIS hub.op_regs.HcNotification.n6);
new bx_shadow_bool_c(reg, "n5", &BX_XHCI_THIS hub.op_regs.HcNotification.n5);
new bx_shadow_bool_c(reg, "n4", &BX_XHCI_THIS hub.op_regs.HcNotification.n4);
new bx_shadow_bool_c(reg, "n3", &BX_XHCI_THIS hub.op_regs.HcNotification.n3);
new bx_shadow_bool_c(reg, "n2", &BX_XHCI_THIS hub.op_regs.HcNotification.n2);
new bx_shadow_bool_c(reg, "n1", &BX_XHCI_THIS hub.op_regs.HcNotification.n1);
new bx_shadow_bool_c(reg, "n0", &BX_XHCI_THIS hub.op_regs.HcNotification.n0);
reg = new bx_list_c(reg_grp, "HcCrcr", 6);
new bx_shadow_num_c(reg, "crc", &BX_XHCI_THIS hub.op_regs.HcCrcr.crc, BASE_HEX);
new bx_shadow_bool_c(reg, "crr", &BX_XHCI_THIS hub.op_regs.HcCrcr.crr);
new bx_shadow_bool_c(reg, "ca", &BX_XHCI_THIS hub.op_regs.HcCrcr.ca);
new bx_shadow_bool_c(reg, "cs", &BX_XHCI_THIS hub.op_regs.HcCrcr.cs);
new bx_shadow_bool_c(reg, "rcs", &BX_XHCI_THIS hub.op_regs.HcCrcr.rcs);
new bx_shadow_num_c(reg_grp, "HcDCBAAP", &BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap, BASE_HEX);
new bx_shadow_num_c(reg_grp, "HcConfig_MaxSlotsEn", &BX_XHCI_THIS hub.op_regs.HcConfig.MaxSlotsEn, BASE_HEX);
reg_grp = new bx_list_c(hub, "runtime_regs", INTERRUPTERS + 1);
new bx_shadow_num_c(reg_grp, "mfindex", &BX_XHCI_THIS hub.runtime_regs.mfindex.index, BASE_HEX);
for (i = 0; i < INTERRUPTERS; i++) {
sprintf(tmpname, "interrupter%d", i+1);
reg_grp1 = new bx_list_c(reg_grp, tmpname, 5);
reg = new bx_list_c(reg_grp1, "iman", 2);
new bx_shadow_bool_c(reg, "ie", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.ie);
new bx_shadow_bool_c(reg, "ip", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.ip);
reg = new bx_list_c(reg_grp1, "imod", 2);
new bx_shadow_num_c(reg, "imodc", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].imod.imodc, BASE_HEX);
new bx_shadow_num_c(reg, "imodi", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].imod.imodi, BASE_HEX);
new bx_shadow_num_c(reg_grp1, "erstabsize", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.erstabsize, BASE_HEX);
new bx_shadow_num_c(reg_grp1, "erstabadd", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd, BASE_HEX);
reg = new bx_list_c(reg_grp1, "erdp", 3);
new bx_shadow_num_c(reg, "eventadd", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd, BASE_HEX);
new bx_shadow_bool_c(reg, "ehb", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.ehb);
new bx_shadow_num_c(reg, "desi", &BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.desi, BASE_HEX);
}
for (i = 0; i < USB_XHCI_PORTS; i++) {
sprintf(tmpname, "port%d", i+1);
port = new bx_list_c(hub, tmpname, 6);
new bx_shadow_bool_c(port, "is_usb3", &BX_XHCI_THIS hub.usb_port[i].is_usb3);
reg = new bx_list_c(port, "portsc", 22);
new bx_shadow_bool_c(reg, "wpr", &BX_XHCI_THIS hub.usb_port[i].portsc.wpr);
new bx_shadow_bool_c(reg, "dr", &BX_XHCI_THIS hub.usb_port[i].portsc.dr);
new bx_shadow_bool_c(reg, "woe", &BX_XHCI_THIS hub.usb_port[i].portsc.woe);
new bx_shadow_bool_c(reg, "wde", &BX_XHCI_THIS hub.usb_port[i].portsc.wde);
new bx_shadow_bool_c(reg, "wce", &BX_XHCI_THIS hub.usb_port[i].portsc.wce);
new bx_shadow_bool_c(reg, "cas", &BX_XHCI_THIS hub.usb_port[i].portsc.cas);
new bx_shadow_bool_c(reg, "cec", &BX_XHCI_THIS hub.usb_port[i].portsc.cec);
new bx_shadow_bool_c(reg, "plc", &BX_XHCI_THIS hub.usb_port[i].portsc.plc);
new bx_shadow_bool_c(reg, "prc", &BX_XHCI_THIS hub.usb_port[i].portsc.prc);
new bx_shadow_bool_c(reg, "occ", &BX_XHCI_THIS hub.usb_port[i].portsc.occ);
new bx_shadow_bool_c(reg, "wrc", &BX_XHCI_THIS hub.usb_port[i].portsc.wrc);
new bx_shadow_bool_c(reg, "pec", &BX_XHCI_THIS hub.usb_port[i].portsc.pec);
new bx_shadow_bool_c(reg, "csc", &BX_XHCI_THIS hub.usb_port[i].portsc.csc);
new bx_shadow_bool_c(reg, "lws", &BX_XHCI_THIS hub.usb_port[i].portsc.lws);
new bx_shadow_num_c(reg, "pic", &BX_XHCI_THIS hub.usb_port[i].portsc.pic, BASE_HEX);
new bx_shadow_bool_c(reg, "speed", &BX_XHCI_THIS hub.usb_port[i].portsc.speed);
new bx_shadow_bool_c(reg, "pp", &BX_XHCI_THIS hub.usb_port[i].portsc.pp);
new bx_shadow_num_c(reg, "pls", &BX_XHCI_THIS hub.usb_port[i].portsc.pls, BASE_HEX);
new bx_shadow_bool_c(reg, "pr", &BX_XHCI_THIS hub.usb_port[i].portsc.pr);
new bx_shadow_bool_c(reg, "oca", &BX_XHCI_THIS hub.usb_port[i].portsc.oca);
new bx_shadow_bool_c(reg, "ped", &BX_XHCI_THIS hub.usb_port[i].portsc.ped);
new bx_shadow_bool_c(reg, "ccs", &BX_XHCI_THIS hub.usb_port[i].portsc.ccs);
// TODO: handle USB2/USB3 cases
reg = new bx_list_c(port, "portpmsc", 6);
new bx_shadow_num_c(port, "portli_lec", &BX_XHCI_THIS hub.usb_port[i].usb3.portli.lec, BASE_HEX);
reg = new bx_list_c(port, "porthlpmc", 3);
new bx_shadow_num_c(reg, "hirdm", &BX_XHCI_THIS hub.usb_port[i].porthlpmc.hirdm, BASE_HEX);
new bx_shadow_num_c(reg, "l1timeout", &BX_XHCI_THIS hub.usb_port[i].porthlpmc.l1timeout, BASE_HEX);
new bx_shadow_num_c(reg, "hirdd", &BX_XHCI_THIS hub.usb_port[i].porthlpmc.hirdd, BASE_HEX);
// empty list for USB device state
new bx_list_c(port, "device", 20);
}
register_pci_state(hub);
}
void bx_usb_xhci_c::after_restore_state(void)
{
if (DEV_pci_set_base_mem(BX_XHCI_THIS_PTR, read_handler, write_handler,
&BX_XHCI_THIS pci_base_address[0],
&BX_XHCI_THIS pci_conf[0x10],
4096)) {
BX_INFO(("new base address: 0x%04x", BX_XHCI_THIS pci_base_address[0]));
}
for (int j=0; j<USB_XHCI_PORTS; j++) {
if (BX_XHCI_THIS hub.usb_port[j].device != NULL) {
BX_XHCI_THIS hub.usb_port[j].device->after_restore_state();
}
}
}
void bx_usb_xhci_c::init_device(Bit8u port, bx_list_c *portconf)
{
usbdev_type type;
char pname[BX_PATHNAME_LEN];
const char *devname = NULL;
devname = ((bx_param_string_c*)portconf->get_by_name("device"))->getptr();
if (devname == NULL) return;
if (!strlen(devname) || !strcmp(devname, "none")) return;
if (BX_XHCI_THIS hub.usb_port[port].device != NULL) {
BX_ERROR(("init_device(): port%d already in use", port+1));
return;
}
sprintf(pname, "usb_xhci.hub.port%d.device", port+1);
bx_list_c *sr_list = (bx_list_c*)SIM->get_param(pname, SIM->get_bochs_root());
type = DEV_usb_init_device(portconf, BX_XHCI_THIS_PTR, &BX_XHCI_THIS hub.usb_port[port].device, sr_list);
if (BX_XHCI_THIS hub.usb_port[port].device != NULL) {
usb_set_connect_status(port, type, 1);
}
}
void bx_usb_xhci_c::remove_device(Bit8u port)
{
char pname[BX_PATHNAME_LEN];
if (BX_XHCI_THIS hub.usb_port[port].device != NULL) {
delete BX_XHCI_THIS hub.usb_port[port].device;
BX_XHCI_THIS hub.usb_port[port].device = NULL;
sprintf(pname, "usb_xhci.hub.port%d.device", port+1);
bx_list_c *devlist = (bx_list_c*)SIM->get_param(pname, SIM->get_bochs_root());
if (devlist) devlist->clear();
}
}
void bx_usb_xhci_c::update_irq(unsigned interrupter)
{
bx_bool level = 0;
if ((BX_XHCI_THIS hub.op_regs.HcCommand.inte) &&
(BX_XHCI_THIS hub.runtime_regs.interrupter[interrupter].iman.ie)) {
level = 1;
BX_DEBUG(("Interrupt Fired."));
}
DEV_pci_set_irq(BX_XHCI_THIS hub.devfunc, BX_XHCI_THIS pci_conf[0x3d], level);
}
bx_bool bx_usb_xhci_c::read_handler(bx_phy_address addr, unsigned len, void *data, void *param)
{
Bit32u val = 0, val_hi = 0;
Bit64u val64;
int i;
const Bit32u offset = (Bit32u) (addr - BX_XHCI_THIS pci_base_address[0]);
// Even though the controller allows reads other than 32-bits & on odd boundaries,
// we are going to ASSUME dword reads and writes unless specified below
// RO Capability Registers
if (offset < OPS_REGS_OFFSET) {
switch (offset) {
// Capability Registers
case 0x00: // CapLength / version
val = BX_XHCI_THIS hub.cap_regs.HcCapLength;
break;
case 0x01:
val = BX_XHCI_THIS hub.cap_regs.HcCapLength >> 8;
break;
case 0x02:
val = BX_XHCI_THIS hub.cap_regs.HcCapLength >> 16;
break;
case 0x04: // HCSPARAMS1
val = BX_XHCI_THIS hub.cap_regs.HcSParams1;
break;
case 0x08: // HCSPARAMS2
val = BX_XHCI_THIS hub.cap_regs.HcSParams2;
break;
case 0x0C: // HCSPARAMS3
val = BX_XHCI_THIS hub.cap_regs.HcSParams3;
break;
case 0x10: // HCCPARAMS
val = BX_XHCI_THIS hub.cap_regs.HcCParams;
break;
case 0x14: // DBOFF
val = BX_XHCI_THIS hub.cap_regs.DBOFF;
break;
case 0x18: // RTSOFF
val = BX_XHCI_THIS hub.cap_regs.RTSOFF;
break;
case 0x1C: // reserved
val = 0;
break;
}
} else
// Operational Registers
if ((offset >= OPS_REGS_OFFSET) && (offset < (OPS_REGS_OFFSET + 0x40))) {
switch (offset - OPS_REGS_OFFSET) {
case 0x00: // Command
val = (BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP1 << 12)
| (BX_XHCI_THIS hub.op_regs.HcCommand.eu3s ? 1 << 11 : 0)
| (BX_XHCI_THIS hub.op_regs.HcCommand.ewe ? 1 << 10 : 0)
| 0 // BX_XHCI_THIS hub.op_regs.HcCommand.crs
| 0 // BX_XHCI_THIS hub.op_regs.HcCommand.css
| (BX_XHCI_THIS hub.op_regs.HcCommand.lhcrst ? 1 << 7 : 0)
| (BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP0 << 4)
| (BX_XHCI_THIS hub.op_regs.HcCommand.hsee ? 1 << 3 : 0)
| (BX_XHCI_THIS hub.op_regs.HcCommand.inte ? 1 << 2 : 0)
| (BX_XHCI_THIS hub.op_regs.HcCommand.hcrst ? 1 << 1 : 0)
| (BX_XHCI_THIS hub.op_regs.HcCommand.rs ? 1 << 0 : 0);
break;
case 0x04: // Status
val = (BX_XHCI_THIS hub.op_regs.HcStatus.hce ? 1 << 12 : 0)
| (BX_XHCI_THIS hub.op_regs.HcStatus.cnr ? 1 << 11 : 0)
| (BX_XHCI_THIS hub.op_regs.HcStatus.sre ? 1 << 10 : 0)
| (BX_XHCI_THIS hub.op_regs.HcStatus.rss ? 1 << 9 : 0)
| (BX_XHCI_THIS hub.op_regs.HcStatus.sss ? 1 << 8 : 0)
| (BX_XHCI_THIS hub.op_regs.HcStatus.pcd ? 1 << 4 : 0)
| (BX_XHCI_THIS hub.op_regs.HcStatus.eint ? 1 << 3 : 0)
| (BX_XHCI_THIS hub.op_regs.HcStatus.hse ? 1 << 2 : 0)
| (BX_XHCI_THIS hub.op_regs.HcStatus.hch ? 1 << 0 : 0);
break;
case 0x08: // Page Size
val = BX_XHCI_THIS hub.op_regs.HcPageSize.pagesize;
break;
case 0x0C: // Reserved and Zero'd
case 0x10: // Reserved and Zero'd
val = 0;
break;
case 0x14: // Device Notification Control Register
val = (BX_XHCI_THIS hub.op_regs.HcNotification.RsvdP << 16)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n15 ? 1 << 15 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n14 ? 1 << 14 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n13 ? 1 << 13 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n12 ? 1 << 12 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n11 ? 1 << 11 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n10 ? 1 << 10 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n9 ? 1 << 9 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n8 ? 1 << 8 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n7 ? 1 << 7 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n6 ? 1 << 6 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n5 ? 1 << 5 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n4 ? 1 << 4 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n3 ? 1 << 3 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n2 ? 1 << 2 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n1 ? 1 << 1 : 0)
| (BX_XHCI_THIS hub.op_regs.HcNotification.n0 ? 1 << 0 : 0);
break;
case 0x18: // Command Ring Control Register (Lo) (most fields always returns zero when read)
val = (BX_XHCI_THIS hub.op_regs.HcCrcr.RsvdP << 4)
| (BX_XHCI_THIS hub.op_regs.HcCrcr.crr ? 1 << 3 : 0);
break;
case 0x1C: // Command Ring Control Register (Hi) (always returns zero when read)
val = 0;
break;
case 0x20: // Reserved and Zero'd
case 0x24: // Reserved and Zero'd
case 0x28: // Reserved and Zero'd
case 0x2C: // Reserved and Zero'd
val = 0;
break;
case 0x30: // DCBAAP (Lo)
val = (Bit32u) ((Bit32u) BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap & ~0x3F);
if (len == 8)
#if ADDR_CAP_64
val_hi = (Bit32u) (BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap >> 32);
#else
val_hi = 0;
#endif // ADDR_CAP_64
break;
case 0x34: // DCBAAP (Hi)
#if ADDR_CAP_64
val = (Bit32u) (BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap >> 32);
#else
val = 0;
#endif // ADDR_CAP_64
break;
case 0x38: // Config
val = (BX_XHCI_THIS hub.op_regs.HcConfig.RsvdP << 8)
| (BX_XHCI_THIS hub.op_regs.HcConfig.MaxSlotsEn << 0);
break;
}
} else
// Register Port Sets
if ((offset >= PORT_SET_OFFSET) && (offset < (PORT_SET_OFFSET + (USB_XHCI_PORTS * 16)))) {
unsigned port = (((offset - PORT_SET_OFFSET) >> 4) & 0x3F); // calculate port number
if (BX_XHCI_THIS hub.usb_port[port].portsc.pp) {
switch (offset & 0x0000000F) {
case 0x00:
val = 0 /* BX_XHCI_THIS hub.usb_port[port].portsc.wpr == 0 when read */
| (BX_XHCI_THIS hub.usb_port[port].portsc.dr ? 1 << 30 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.woe ? 1 << 27 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.wde ? 1 << 26 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.wce ? 1 << 25 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.cas ? 1 << 24 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.cec ? 1 << 23 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.plc ? 1 << 22 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.prc ? 1 << 21 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.occ ? 1 << 20 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.wrc ? 1 << 19 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.pec ? 1 << 18 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.csc ? 1 << 17 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.pic << 14)
| (BX_XHCI_THIS hub.usb_port[port].portsc.speed << 10)
| (BX_XHCI_THIS hub.usb_port[port].portsc.pp ? 1 << 9 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.pls << 5)
| (BX_XHCI_THIS hub.usb_port[port].portsc.pr ? 1 << 4 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.oca ? 1 << 3 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.ped ? 1 << 1 : 0)
| (BX_XHCI_THIS hub.usb_port[port].portsc.ccs ? 1 << 0 : 0);
break;
case 0x04:
if (BX_XHCI_THIS hub.usb_port[port].is_usb3) {
val = (BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.RsvdP << 17)
| (BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.fla ? 1 << 16 : 0)
| (BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.u2timeout << 8)
| (BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.u1timeout << 0);
} else {
val = (BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.tmode << 28)
| (BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.RsvdP << 17)
| (BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.hle ? 1 << 16 : 0)
| (BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.l1dslot << 8)
| (BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.hird << 4)
| (BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.rwe ? 1 << 3 : 0)
| (BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.l1s << 0);
}
break;
case 0x08:
if (BX_XHCI_THIS hub.usb_port[port].is_usb3) {
val = (BX_XHCI_THIS hub.usb_port[port].usb3.portli.RsvdP << 16)
| (BX_XHCI_THIS hub.usb_port[port].usb3.portli.lec << 0);
} else {
val = BX_XHCI_THIS hub.usb_port[port].usb2.portli.RsvdP;
}
break;
case 0x0C:
#if ((VERSION_MAJOR < 1) || ((VERSION_MAJOR == 1) && (VERSION_MINOR == 0)))
BX_ERROR(("Read from Reserved Register in Port Register Set %i", port));
#else
val = (BX_XHCI_THIS hub.usb_port[port].porthlpmc.RsvdP << 14)
| (BX_XHCI_THIS hub.usb_port[port].porthlpmc.hirdd << 10)
| (BX_XHCI_THIS hub.usb_port[port].porthlpmc.l1timeout << 2)
| (BX_XHCI_THIS hub.usb_port[port].porthlpmc.hirdm << 0);
#endif
break;
}
} else val = 0;
} else
// Extended Capabilities
if ((offset >= EXT_CAPS_OFFSET) && (offset < (EXT_CAPS_OFFSET + EXT_CAPS_SIZE))) {
unsigned caps_offset = (offset - EXT_CAPS_OFFSET);
switch (len) {
case 1:
val = BX_XHCI_THIS hub.extended_caps[caps_offset];
break;
case 2:
ReadHostWordFromLittleEndian(&BX_XHCI_THIS hub.extended_caps[caps_offset], val);
break;
case 4:
ReadHostDWordFromLittleEndian(&BX_XHCI_THIS hub.extended_caps[caps_offset], val);
break;
case 8:
ReadHostQWordFromLittleEndian(&BX_XHCI_THIS hub.extended_caps[caps_offset], val64);
val = (Bit32u)val64;
val_hi = (Bit32u)(val64 >> 32);
break;
}
} else
// Host Controller Runtime Registers
if ((offset >= RUNTIME_OFFSET) && (offset < (RUNTIME_OFFSET + 32 + (INTERRUPTERS * 32)))) {
if (offset == RUNTIME_OFFSET) {
val = (BX_XHCI_THIS hub.runtime_regs.mfindex.RsvdP << 14)
| (BX_XHCI_THIS hub.runtime_regs.mfindex.index << 0);
} else if (offset < (RUNTIME_OFFSET + 32)) {
val = 0;
} else {
unsigned rt_offset = (offset - RUNTIME_OFFSET - 32);
i = (rt_offset >> 5); // interrupter offset
switch (rt_offset & 0x1F) {
case 0x00:
val = (BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.RsvdP << 2)
| (BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.ie ? 1 << 1 : 0)
| (BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.ip ? 1 << 0 : 0);
break;
case 0x04:
val = (BX_XHCI_THIS hub.runtime_regs.interrupter[i].imod.imodc << 16)
| (BX_XHCI_THIS hub.runtime_regs.interrupter[i].imod.imodi << 0);
break;
case 0x08:
val = (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.RsvdP << 16)
| (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.erstabsize << 0);
break;
case 0x0C:
val = BX_XHCI_THIS hub.runtime_regs.interrupter[i].RsvdP;
break;
case 0x10:
val = ((Bit32u) BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd & ~0x3F)
| (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.RsvdP << 0);
if (len == 8)
#if ADDR_CAP_64
val_hi = (Bit32u) (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd >> 32);
#else
val_hi = 0;
#endif // ADDR_CAP_64
break;
case 0x14:
#if ADDR_CAP_64
val = (Bit32u) (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd >> 32);
#else
val = 0;
#endif // ADDR_CAP_64
break;
case 0x18:
val = (Bit32u) ((Bit32u) BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd & ~0x0F)
| (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.ehb ? 1 << 3 : 0)
| (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.desi << 0);
if (len == 8)
#if ADDR_CAP_64
val_hi = (Bit32u) (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd >> 32);
#else
val_hi = 0;
#endif // ADDR_CAP_64
break;
case 0x1C:
#if ADDR_CAP_64
val = (Bit32u) (BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd >> 32);
#else
val = 0;
#endif // ADDR_CAP_64
break;
}
}
} else
// Doorbell Registers (return zero when read)
if ((offset >= DOORBELL_OFFSET) && (offset < (DOORBELL_OFFSET + 4 + (INTERRUPTERS * 4)))) {
val = 0;
} else
BX_ERROR(("register read from unknown offset 0x%08X: 0x%08X%08X (len=%i)", offset, (Bit32u) val_hi, (Bit32u) val, len));
switch (len) {
case 1:
val &= 0xFF;
*((Bit8u *) data) = (Bit8u) val;
break;
case 2:
val &= 0xFFFF;
*((Bit16u *) data) = (Bit16u) val;
break;
case 8:
*((Bit32u *) ((Bit8u *) data + 4)) = val_hi;
case 4:
*((Bit32u *) data) = val;
break;
}
// don't populate the log file if reading from interrupter's IMAN and only INT_ENABLE is set.
// (This only works with the first interrupter)
if ((offset != 0x620) || (val != 0x02))
BX_DEBUG(("register read from offset 0x%04X: 0x%08X%08X (len=%i)", offset, (Bit32u) val_hi, (Bit32u) val, len));
return 1;
}
bx_bool bx_usb_xhci_c::write_handler(bx_phy_address addr, unsigned len, void *data, void *param)
{
Bit32u value = *((Bit32u *) data);
Bit32u value_hi = *((Bit32u *) ((Bit8u *) data + 4));
const Bit32u offset = (Bit32u) (addr - BX_XHCI_THIS pci_base_address[0]);
Bit32u temp;
int i;
// modify val and val_hi per len of data to write
switch (len) {
case 1:
value &= 0xFF;
value_hi = 0;
break;
case 2:
value &= 0xFFFF;
case 4:
value_hi = 0;
break;
}
BX_DEBUG(("register write to offset 0x%04X: 0x%08X%08X (len=%i)", offset, (Bit32u) value_hi, (Bit32u) value, len));
// Even though the controller allows reads other than 32-bits & on odd boundaries,
// we are going to ASSUME dword reads and writes unless specified below
// RO Capability Registers
if (offset < OPS_REGS_OFFSET) {
switch (offset) {
// Capability Registers
case 0x00: // CapLength / version
case 0x04: // HCSPARAMS1
case 0x08: // HCSPARAMS2
case 0x0C: // HCSPARAMS3
case 0x10: // HCCPARAMS
case 0x14: // DBOFF
case 0x18: // TRSOFF
case 0x1C: // reserved
BX_ERROR(("Write to Read Only Host Capability Register (0x%08X)", offset));
break;
}
} else
// Operational Registers
if ((offset >= OPS_REGS_OFFSET) && (offset < (OPS_REGS_OFFSET + 0x40))) {
switch (offset - OPS_REGS_OFFSET) {
case 0x00: // Command
temp = BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP1;
BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP1 = (value >> 12);
if (temp != BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP1)
BX_ERROR(("bits 31:12 in command register were not preserved"));
BX_XHCI_THIS hub.op_regs.HcCommand.eu3s = (value & (1 << 11)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcCommand.ewe = (value & (1 << 10)) ? 1 : 0;
if (value & (1 << 9)) {
if (BX_XHCI_THIS hub.op_regs.HcStatus.hch == 1) {
BX_XHCI_THIS hub.op_regs.HcStatus.sre = 0; // clear error state
BX_XHCI_THIS hub.op_regs.HcStatus.rss = 1; // show that we are restoring the state
BX_XHCI_THIS hub.op_regs.HcStatus.sre = BX_XHCI_THIS restore_hc_state();
BX_XHCI_THIS hub.op_regs.HcStatus.rss = 0;
} else
BX_ERROR(("Restore State when controller not in Halted state."));
}
if (value & (1 << 8)) {
if (BX_XHCI_THIS hub.op_regs.HcStatus.hch == 1) {
BX_XHCI_THIS hub.op_regs.HcStatus.sre = 0; // clear error state
BX_XHCI_THIS hub.op_regs.HcStatus.sss = 1; // show that we are saving the state
BX_XHCI_THIS hub.op_regs.HcStatus.sre = BX_XHCI_THIS save_hc_state();
BX_XHCI_THIS hub.op_regs.HcStatus.sss = 0;
} else
BX_ERROR(("Save State when controller not in Halted state."));
}
#if LIGHT_HC_RESET
BX_XHCI_THIS hub.op_regs.HcCommand.lhcrst = (value & (1 << 7)) ? 1 : 0;
// TODO: Do light reset
#endif // LIGHT_HC_RESET
temp = BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP0;
BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP0 = (value & (7 << 4)) >> 4;
if (temp != BX_XHCI_THIS hub.op_regs.HcCommand.RsvdP0)
BX_ERROR(("bits 6:4 in Command Register were not preserved"));
BX_XHCI_THIS hub.op_regs.HcCommand.hsee = (value & (1 << 3)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcCommand.inte = (value & (1 << 2)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcCommand.hcrst = (value & (1 << 1)) ? 1 : 0;
if (BX_XHCI_THIS hub.op_regs.HcCommand.hcrst) {
BX_XHCI_THIS reset_hc();
BX_XHCI_THIS hub.op_regs.HcCommand.hcrst = 0;
}
// if run/stop bit cleared, stop command ring
BX_XHCI_THIS hub.op_regs.HcCommand.rs = (value & (1 << 0)) ? 1 : 0;
if (BX_XHCI_THIS hub.op_regs.HcCommand.rs == 0) {
BX_XHCI_THIS hub.op_regs.HcCrcr.crr = 0;
BX_XHCI_THIS hub.op_regs.HcStatus.hch = 1; // set the Halted Bit
} else
BX_XHCI_THIS hub.op_regs.HcStatus.hch = 0; // clear the Halted Bit
break;
case 0x04: // Status
if ((value & 0xFFFFE0E2) != 0)
BX_ERROR(("RsvdZ bits in HcStatus not written as zeros"));
if (value & ((1<<12) | (1<<11) | (1<<9) | (1<<8) | (1<<0)))
BX_ERROR(("Write to one or more Read-only bits in Status Register"));
BX_XHCI_THIS hub.op_regs.HcStatus.sre = (value & (1 << 10)) ? 0 : BX_XHCI_THIS hub.op_regs.HcStatus.sre;
BX_XHCI_THIS hub.op_regs.HcStatus.pcd = (value & (1 << 4)) ? 0 : BX_XHCI_THIS hub.op_regs.HcStatus.pcd;
BX_XHCI_THIS hub.op_regs.HcStatus.eint = (value & (1 << 3)) ? 0 : BX_XHCI_THIS hub.op_regs.HcStatus.eint;
BX_XHCI_THIS hub.op_regs.HcStatus.hse = (value & (1 << 2)) ? 0 : BX_XHCI_THIS hub.op_regs.HcStatus.hse;
//FIXME: should this line go where system software clears the IP bit, or here when it clears the status:eint bit?
if (value & (1 << 3)) // acknowledging the interrupt
DEV_pci_set_irq(BX_XHCI_THIS hub.devfunc, BX_XHCI_THIS pci_conf[0x3d], 0);
break;
case 0x08: // Page Size
BX_ERROR(("Write to one or more Read-only bits in Page Size Register"));
break;
case 0x0C: // Reserved and Zero'd
case 0x10: // Reserved and Zero'd
if (value != 0)
BX_ERROR(("Write non-zero to RsvdZ Register (offset = 0x%08X value = 0x%08X)", offset, value));
break;
case 0x14: // Device Notification Control Register
temp = BX_XHCI_THIS hub.op_regs.HcNotification.RsvdP;
BX_XHCI_THIS hub.op_regs.HcNotification.RsvdP = value >> 16;
if (temp != BX_XHCI_THIS hub.op_regs.HcNotification.RsvdP)
BX_ERROR(("bits 31:16 in DNCTRL Register were not preserved"));
BX_XHCI_THIS hub.op_regs.HcNotification.n15 = (value & (1 << 15)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n14 = (value & (1 << 14)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n13 = (value & (1 << 13)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n12 = (value & (1 << 12)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n11 = (value & (1 << 11)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n10 = (value & (1 << 10)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n9 = (value & (1 << 9)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n8 = (value & (1 << 8)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n7 = (value & (1 << 7)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n6 = (value & (1 << 6)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n5 = (value & (1 << 5)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n4 = (value & (1 << 4)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n3 = (value & (1 << 3)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n2 = (value & (1 << 2)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n1 = (value & (1 << 1)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcNotification.n0 = (value & (1 << 0)) ? 1 : 0;
break;
case 0x18: // Command Ring Control Register (Lo)
if (value & (1<<3))
BX_ERROR(("Write to one or more Read-only bits in CRCR Register"));
temp = BX_XHCI_THIS hub.op_regs.HcCrcr.RsvdP;
BX_XHCI_THIS hub.op_regs.HcCrcr.RsvdP = (value & (2<<4)) >> 4;
if (temp != BX_XHCI_THIS hub.op_regs.HcCrcr.RsvdP)
BX_ERROR(("bits 5:4 in CRCR Register were not preserved"));
BX_XHCI_THIS hub.op_regs.HcCrcr.ca = (value & (1 << 2)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcCrcr.cs = (value & (1 << 1)) ? 1 : 0;
BX_XHCI_THIS hub.op_regs.HcCrcr.rcs = (value & (1 << 0)) ? 1 : 0;
// save the new ring pointer
#if ADDR_CAP_64
if (len == 8) {
BX_XHCI_THIS hub.op_regs.HcCrcr.crc = (Bit64u) (((Bit64u) value_hi << 32) | (value & ~0x3F));
} else {
BX_XHCI_THIS hub.op_regs.HcCrcr.crc &= (Bit64u) ~0xFFFFFFFF;
BX_XHCI_THIS hub.op_regs.HcCrcr.crc |= (Bit64u) (value & ~0x3F);
}
#else
BX_XHCI_THIS hub.op_regs.HcCrcr.crc = (Bit64u) (value & ~0x3F);
#endif
BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer = BX_XHCI_THIS hub.op_regs.HcCrcr.crc;
BX_XHCI_THIS hub.ring_members.command_ring.rcs = BX_XHCI_THIS hub.op_regs.HcCrcr.rcs;
// if command stop or abort, stop command ring
if (BX_XHCI_THIS hub.op_regs.HcCrcr.ca || BX_XHCI_THIS hub.op_regs.HcCrcr.cs)
BX_XHCI_THIS hub.op_regs.HcCrcr.crr = 0;
break;
case 0x1C: // Command Ring Control Register (Hi)
#if ADDR_CAP_64
BX_XHCI_THIS hub.op_regs.HcCrcr.crc &= (Bit64u) 0xFFFFFFFF;
BX_XHCI_THIS hub.op_regs.HcCrcr.crc |= (Bit64u) ((Bit64u) value << 32);
BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer = BX_XHCI_THIS hub.op_regs.HcCrcr.crc;
#endif
break;
case 0x20: // Reserved and Zero'd
case 0x24: // Reserved and Zero'd
case 0x28: // Reserved and Zero'd
case 0x2C: // Reserved and Zero'd
if (value != 0)
BX_ERROR(("Write non-zero to RsvdZ Register (offset = 0x%08X value = 0x%08X)", offset, value));
break;
case 0x30: // DCBAAP (Lo)
if (value & 0x3F)
BX_ERROR(("Write non-zero to RsvdZ member of DCBAAP Register"));
#if ADDR_CAP_64
if (len == 8)
BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap = (Bit64u) (((Bit64u) value_hi << 32) | (value & ~0x3F));
else {
BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap &= (Bit64u) ~0xFFFFFFFF;
BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap |= (Bit64u) (value & ~0x3F);
}
#else
BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap = (Bit64u) (value & ~0x3F);
#endif
break;
case 0x34: // DCBAAP (Hi)
#if ADDR_CAP_64
BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap &= (Bit64u) 0xFFFFFFFF;
BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap |= (Bit64u) ((Bit64u) value << 32);
#endif
break;
case 0x38: // Config
temp = BX_XHCI_THIS hub.op_regs.HcConfig.RsvdP;
BX_XHCI_THIS hub.op_regs.HcConfig.RsvdP = (value >> 8);
if (temp != BX_XHCI_THIS hub.op_regs.HcConfig.RsvdP)
BX_ERROR(("bits 31:8 in Config Register were not preserved"));
BX_XHCI_THIS hub.op_regs.HcConfig.MaxSlotsEn = (value & 0xFF);
break;
}
} else
// Register Port Sets
if ((offset >= PORT_SET_OFFSET) && (offset < (PORT_SET_OFFSET + (USB_XHCI_PORTS * 16)))) {
unsigned port = (((offset - PORT_SET_OFFSET) >> 4) & 0x3F); // calculate port number
switch (offset & 0x0000000F) {
case 0x00:
if (value & (1<<9)) { // port power
if (value & ((1<<30) | (1<<24) | (1<<3) | (1<<0)))
BX_ERROR(("Write to one or more Read-only bits in PORTSC[%i] Register (0x%08X)", port, value));
if (value & ((3<<28) | (1<<2)))
BX_ERROR(("Write non-zero to a RsvdZ member of PORTSC[%i] Register", port));
if (BX_XHCI_THIS hub.usb_port[port].is_usb3) {
BX_XHCI_THIS hub.usb_port[port].portsc.wpr = (value & (1 << 31)) ? 1 : 0;
BX_XHCI_THIS hub.usb_port[port].portsc.cec = (value & (1 << 23)) ? 1 : 0;
BX_XHCI_THIS hub.usb_port[port].portsc.wrc = (value & (1 << 20)) ? 0 : BX_XHCI_THIS hub.usb_port[port].portsc.wrc;
if (value & (1<<18))
BX_ERROR(("Write to USB3 port: bit 18"));
} else {
BX_XHCI_THIS hub.usb_port[port].portsc.pec = (value & (1 << 18)) ? 0 : BX_XHCI_THIS hub.usb_port[port].portsc.pec;
if (value & ((1<<31) | (1<<23) | (1<<19)))
BX_ERROR(("Write to USB2 port: RsvdZ bit"));
}
// The WC1 bits must be before anything that will change these bits below.
if (value & (1 << 22)) BX_XHCI_THIS hub.usb_port[port].portsc.plc = 0;
if (value & (1 << 21)) BX_XHCI_THIS hub.usb_port[port].portsc.prc = 0;
if (value & (1 << 20)) BX_XHCI_THIS hub.usb_port[port].portsc.occ = 0;
if (value & (1 << 17)) BX_XHCI_THIS hub.usb_port[port].portsc.csc = 0;
if (value & (1 << 1)) BX_XHCI_THIS hub.usb_port[port].portsc.ped = 0;
BX_XHCI_THIS hub.usb_port[port].portsc.woe = (value & (1 << 27)) ? 1 : 0;
BX_XHCI_THIS hub.usb_port[port].portsc.wde = (value & (1 << 26)) ? 1 : 0;
BX_XHCI_THIS hub.usb_port[port].portsc.wce = (value & (1 << 25)) ? 1 : 0;
BX_XHCI_THIS hub.usb_port[port].portsc.pic = (value & (0x3 << 14)) >> 14;
// if transition from non powered to powered
if (BX_XHCI_THIS hub.usb_port[port].portsc.pp == 0) {
if (BX_XHCI_THIS hub.usb_port[port].portsc.ccs)
BX_XHCI_THIS hub.usb_port[port].portsc.pls = PLS_POLLING;
else
BX_XHCI_THIS hub.usb_port[port].portsc.pls = PLS_RXDETECT;
}
BX_XHCI_THIS hub.usb_port[port].portsc.pp = 1;
if (value & (1<<16)) { // LWS
switch ((value & (0xF << 5)) >> 5) {
case 0:
BX_XHCI_THIS hub.usb_port[port].portsc.pls = PLS_U0;
break;
case 2: // USB2 only
BX_XHCI_THIS hub.usb_port[port].portsc.pls = PLS_U2;
break;
case 3:
BX_XHCI_THIS hub.usb_port[port].portsc.pls = PLS_U3_SUSPENDED;
break;
case 5: // USB3 only
if (BX_XHCI_THIS hub.usb_port[port].portsc.pls == PLS_DISABLED) {
BX_XHCI_THIS hub.usb_port[port].portsc.pls = PLS_RXDETECT;
BX_XHCI_THIS hub.usb_port[port].portsc.ped = 0;
BX_XHCI_THIS hub.usb_port[port].portsc.pec = 1;
}
break;
case 15: // USB2 only
if (BX_XHCI_THIS hub.usb_port[port].portsc.pls == PLS_U3_SUSPENDED) {
// port should transition to the U3Exit state...
}
break;
}
}
// if port reset bit is set, reset the port, then enable the port (if ccs == 1).
if (value & (1 << 4)) {
BX_DEBUG(("Reset port #%i (PORTSC[%i])", port + 1, port));
BX_XHCI_THIS hub.usb_port[port].portsc.pr = 0;
if (BX_XHCI_THIS hub.usb_port[port].portsc.ccs) {
BX_XHCI_THIS hub.usb_port[port].portsc.prc = 1;
BX_XHCI_THIS hub.usb_port[port].portsc.pls = PLS_U0;
BX_XHCI_THIS hub.usb_port[port].portsc.ped = 1;
if (BX_XHCI_THIS hub.usb_port[port].device != NULL) {
switch (BX_XHCI_THIS hub.usb_port[port].device->get_speed()) {
case USB_SPEED_LOW:
BX_XHCI_THIS hub.usb_port[port].portsc.speed = 2;
break;
case USB_SPEED_FULL:
BX_XHCI_THIS hub.usb_port[port].portsc.speed = 1;
break;
case USB_SPEED_HIGH:
BX_XHCI_THIS hub.usb_port[port].portsc.speed = 3;
break;
case USB_SPEED_SUPER:
BX_XHCI_THIS hub.usb_port[port].portsc.speed = 4;
break;
}
DEV_usb_send_msg(BX_XHCI_THIS hub.usb_port[port].device, USB_MSG_RESET);
}
} else {
BX_XHCI_THIS hub.usb_port[port].portsc.pls = PLS_RXDETECT;
BX_XHCI_THIS hub.usb_port[port].portsc.ped = 0;
BX_XHCI_THIS hub.usb_port[port].portsc.speed = 0;
}
}
} else
BX_XHCI_THIS hub.usb_port[port].portsc.pp = 0;
break;
case 0x04:
if (BX_XHCI_THIS hub.usb_port[port].portsc.pp) {
if (BX_XHCI_THIS hub.usb_port[port].is_usb3) {
temp = BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.RsvdP;
BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.RsvdP = value >> 17;
if (temp != BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.RsvdP)
BX_ERROR(("bits 31:17 in PORTPMSC[%i] Register were not preserved", port));
BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.fla = (value & (1 << 16)) ? 1 : 0;
BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.u2timeout = (value & (0xFF << 8)) >> 8;
BX_XHCI_THIS hub.usb_port[port].usb3.portpmsc.u1timeout = (value & (0xFF << 0)) >> 0;
} else {
if (value & (7<<0))
BX_ERROR(("Write to one or more Read-only bits in PORTPMSC[%i] Register", port));
BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.tmode = (value & (0xF << 28)) >> 28;
temp = BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.RsvdP;
BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.RsvdP = (value & (0x1FFF << 15)) >> 15;
if (temp != BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.RsvdP)
BX_ERROR(("bits 27:15 in PORTPMSC[%i] Register were not preserved", port));
BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.hle = (value & (1 << 16)) ? 1 : 0;
BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.l1dslot = (value & (0xFF << 8)) >> 8;
BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.hird = (value & (0xF << 4)) >> 4;
BX_XHCI_THIS hub.usb_port[port].usb2.portpmsc.rwe = (value & (1 << 3)) ? 1 : 0;
}
}
break;
case 0x08:
if (BX_XHCI_THIS hub.usb_port[port].portsc.pp) {
if (BX_XHCI_THIS hub.usb_port[port].is_usb3) {
if (value & (0xFFFF<<0))
BX_ERROR(("Write to one or more Read-only bits in PORTLI[%i] Register", port));
temp = BX_XHCI_THIS hub.usb_port[port].usb3.portli.RsvdP;
BX_XHCI_THIS hub.usb_port[port].usb3.portli.RsvdP = value >> 16;
if (temp != BX_XHCI_THIS hub.usb_port[port].usb3.portli.RsvdP)
BX_ERROR(("bits 31:16 in PORTLI[%i] Register were not preserved", port));
} else {
temp = BX_XHCI_THIS hub.usb_port[port].usb2.portli.RsvdP;
BX_XHCI_THIS hub.usb_port[port].usb2.portli.RsvdP = value;
if (temp != BX_XHCI_THIS hub.usb_port[port].usb2.portli.RsvdP)
BX_ERROR(("bits 31:0 in PORTLI[%i] Register were not preserved", port));
}
}
break;
case 0x0C:
#if ((VERSION_MAJOR < 1) || ((VERSION_MAJOR == 1) && (VERSION_MINOR == 0)))
BX_ERROR(("Write to Reserved Register in Port Register Set %i", port));
#else
temp = BX_XHCI_THIS hub.usb_port[port].porthlpmc.RsvdP;
BX_XHCI_THIS hub.usb_port[port].porthlpmc.RsvdP = (value >> 14);
if (temp != BX_XHCI_THIS hub.usb_port[port].porthlpmc.RsvdP)
BX_ERROR(("bits 31:14 in PORTHLPMC[%i] Register were not preserved", port));
BX_XHCI_THIS hub.usb_port[port].porthlpmc.hirdd = ((value & (0x0F << 10)) >> 10);
BX_XHCI_THIS hub.usb_port[port].porthlpmc.l1timeout = ((value & (0xFF << 2)) >> 2);
BX_XHCI_THIS hub.usb_port[port].porthlpmc.hirdm = ((value & (0x0F << 0)) >> 0);
#endif
break;
}
} else
// Extended Capabilities
if ((offset >= EXT_CAPS_OFFSET) && (offset < (EXT_CAPS_OFFSET + EXT_CAPS_SIZE))) {
unsigned caps_offset = (offset - EXT_CAPS_OFFSET);
Bit64u qword = (((Bit64u) value_hi << 32) | value);
while (len) {
*(Bit8u *) &BX_XHCI_THIS hub.extended_caps[caps_offset] = (Bit8u) (qword & 0xFF);
switch (caps_offset) {
case 3:
if (qword & 1) // clear the BIOS owner bit
BX_XHCI_THIS hub.extended_caps[2] &= ~(1<<0);
break;
default:
;
}
len--;
caps_offset++;
qword >>= 8;
}
} else
// Host Controller Runtime Registers
if ((offset >= RUNTIME_OFFSET) && (offset < (RUNTIME_OFFSET + 32 + (INTERRUPTERS * 32)))) {
if (offset == RUNTIME_OFFSET) {
BX_ERROR(("Write to MFINDEX register"));
} else if (offset < (RUNTIME_OFFSET + 32)) {
BX_ERROR(("Write to Reserved Register in HC Runtime Register set"));
} else {
unsigned rt_offset = (offset - RUNTIME_OFFSET - 32);
i = (rt_offset >> 5); // interrupter offset
switch (rt_offset & 0x1F) {
case 0x00:
temp = BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.RsvdP;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.RsvdP = (value >> 2);
if (temp != BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.RsvdP)
BX_ERROR(("bits 31:2 in IMAN Register were not preserved"));
BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.ie = ((value & (1 << 1)) == (1 << 1));
if (value & (1 << 0))
BX_XHCI_THIS hub.runtime_regs.interrupter[i].iman.ip = 0;
break;
case 0x04:
BX_XHCI_THIS hub.runtime_regs.interrupter[i].imod.imodc = (value >> 16);
BX_XHCI_THIS hub.runtime_regs.interrupter[i].imod.imodi = (value & 0xFFFF);
break;
case 0x08:
temp = BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.RsvdP;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.RsvdP = (value >> 16);
if (temp != BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.RsvdP)
BX_ERROR(("bits 31:16 in ERSTSZ Register were not preserved"));
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstsz.erstabsize = (value & 0xFFFF);
break;
case 0x0C:
temp = BX_XHCI_THIS hub.runtime_regs.interrupter[i].RsvdP;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].RsvdP = value;
if (temp != BX_XHCI_THIS hub.runtime_regs.interrupter[i].RsvdP)
BX_ERROR(("bits 31:0 in RsvdP (0x0C) Register were not preserved"));
break;
case 0x10:
temp = BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.RsvdP;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.RsvdP = (value & 0x3F);
if (temp != BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.RsvdP)
BX_ERROR(("bits 5:0 in ERSTBA Register were not preserved"));
#if ADDR_CAP_64
if (len == 8) {
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd = (((Bit64u) value_hi << 32) | (value & ~0x3F));
init_event_ring(i); // initialize event ring members
} else {
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd &= (Bit64u) ~0xFFFFFFFF;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd |= (Bit64u) (value & ~0x3F);
}
#else
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd = (Bit64u) (value & ~0x3F);
init_event_ring(i); // initialize event ring members
#endif
break;
case 0x14:
#if ADDR_CAP_64
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd &= (Bit64u) 0xFFFFFFFF;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erstba.erstabadd |= ((Bit64u) value << 32);
init_event_ring(i); // initialize event ring members
#endif
break;
case 0x18:
if (value & (1 << 3))
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.ehb = 0;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.desi = (value & 0x07);
#if ADDR_CAP_64
if (len == 8)
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd = (Bit64u) (((Bit64u) value_hi << 32) | (value & ~0x0F));
else {
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd &= (Bit64u) ~0xFFFFFFFF;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd |= (Bit64u) (value & ~0x0F);
}
#else
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd == (Bit64u) (value & ~0x0F);
#endif
break;
case 0x1C:
#if ADDR_CAP_64
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd &= (Bit64u) 0xFFFFFFFF;
BX_XHCI_THIS hub.runtime_regs.interrupter[i].erdp.eventadd |= ((Bit64u) value << 32);
#endif
break;
}
}
} else
// Doorbell Registers
if ((offset >= DOORBELL_OFFSET) && (offset < (DOORBELL_OFFSET + 4 + (INTERRUPTERS * 4)))) {
if (value & (0xFF << 8))
BX_ERROR(("RsvdZ field of Doorbell written as non zero."));
unsigned doorbell = ((offset - DOORBELL_OFFSET) >> 2);
if (doorbell == 0) { // Command Doorbell
BX_DEBUG(("Command Doorbell Rang"));
if (value & (0xFFFF << 16))
BX_ERROR(("DB Stream ID not zero when Command Doorbell rung"));
if ((value & 0xFF) != 0)
BX_ERROR(("Command Doorbell rang with non zero value: 0x%02X", (value & 0xFF)));
// if the run/stop bit is set, the command ring is running
if (BX_XHCI_THIS hub.op_regs.HcCommand.rs)
BX_XHCI_THIS hub.op_regs.HcCrcr.crr = 1;
process_command_ring();
} else {
// doorbell = slot to use (1 based)
// (value & 0xFF) = ep (1 = control, 2 = ep1 out, 3 = ep1 in, etc);
int ep = (value & 0xFF);
BX_INFO(("Rang Doorbell: slot = %i ep = %i (%s)", doorbell, ep, (ep & 1) ? "IN" : "OUT"));
if (ep > 31)
BX_ERROR(("Doorbell rang with EP > 31 (ep = %i)", ep));
else
process_transfer_ring(doorbell, ep);
}
} else
BX_ERROR(("register write to unknown offset 0x%08X: 0x%08X%08X (len=%i)", offset, (Bit32u) value_hi, (Bit32u) value, len));
return 1;
}
// This function checks and processes all enqueued TRB's in the EP's transfer ring
void bx_usb_xhci_c::process_transfer_ring(const int slot, const int ep)
{
struct TRB trb;
Bit64u address = 0, org_addr;
int int_target, td_size, transfer_length;
int ret, len;
int port_num = BX_XHCI_THIS hub.slots[slot].slot_context.rh_port_num;
USBPacket packet;
Bit8u cur_direction = (ep & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT; // for NORMAL without SETUP
bx_bool is_transfer_trb, is_immed_data, ioc, spd_occurred = 0;
bx_bool first_event_trb_encountered = 0;
int bytes_transferred = 0, bytes_not_transferred = 0;
int trb_count = 0;
int comp_code = 0;
// if the ep is disabled, return an error event trb.
if ((BX_XHCI_THIS hub.slots[slot].slot_context.slot_state == SLOT_STATE_DISABLED_ENABLED)
|| (BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_DISABLED)) {
org_addr = BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer;
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(EP_NOT_ENABLED),
TRB_SET_SLOT(slot) | TRB_SET_EP(ep) | TRB_SET_TYPE(TRANS_EVENT), 1);
return;
}
// if the ep is in the halted or error state, ignore the doorbell ring.
if ((BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_HALTED)
|| (BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_ERROR))
return;
// if the ep_context::type::direction field is not correct for the ep type of this ep, then ignore the doorbell
if (ep >= 2) {
static int endpoint_dir[8] = { -1, EP_DIR_OUT, EP_DIR_OUT, EP_DIR_OUT, -1, EP_DIR_IN, EP_DIR_IN, EP_DIR_IN };
int ep_type = (ep & 1) ? EP_DIR_IN : EP_DIR_OUT;
if (endpoint_dir[BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_type] != ep_type) {
BX_ERROR(("Endpoint_context::Endpoint_type::direction is not correct for this endpoint number. Ignoring doorbell ring."));
return;
}
}
// If an endpoint is in the Stopped state when the doorbell is rung, it will transition to the Running state (page 126)
// The output Context (*slot_addr) should be updated before any other transfer events are made
if (BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_STOPPED) {
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state = EP_STATE_RUNNING;
update_ep_context(slot, ep);
}
// read in the TRB
read_TRB((bx_phy_address) BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer, &trb);
BX_DEBUG(("Found TRB: address = 0x" FORMATADDRESS " 0x" FMT_ADDRX64 " 0x%08X 0x%08X %i",
(bx_phy_address) BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer,
trb.parameter, trb.status, trb.command, BX_XHCI_THIS hub.slots[slot].ep_context[ep].rcs));
while ((trb.command & 1) == BX_XHCI_THIS hub.slots[slot].ep_context[ep].rcs) {
org_addr = BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer;
BX_DEBUG(("Found TRB: address = 0x" FORMATADDRESS " 0x" FMT_ADDRX64 " 0x%08X 0x%08X %i (SPD occurred = %i)",
(bx_phy_address) org_addr, trb.parameter, trb.status, trb.command, BX_XHCI_THIS hub.slots[slot].ep_context[ep].rcs, spd_occurred));
trb_count++;
// these are used in some/most items.
// If not used, won't hurt to extract bad data.
int_target = TRB_GET_TARGET(trb.status);
td_size = TRB_GET_TDSIZE(trb.status);
transfer_length = TRB_GET_TX_LEN(trb.status);
is_transfer_trb = 0; // assume not a transfer
ioc = TRB_IOC(trb.command);
// if a SPD occurred, we only process the LINK and EVENT TRB's in this TD, until either on of these two or end of TD
if (!spd_occurred ||
(spd_occurred && ((TRB_GET_TYPE(trb.command) == LINK) || (TRB_GET_TYPE(trb.command) == EVENT_DATA)))) {
// is the data in trb.parameter? (Immediate data?)
is_immed_data = TRB_IS_IMMED_DATA(trb.command);
if (is_immed_data)
memcpy(BX_XHCI_THIS device_buffer, &trb.parameter, 8);
else
address = trb.parameter;
switch (TRB_GET_TYPE(trb.command)) {
// is a LINK trb.
case LINK:
if (ioc)
write_event_TRB(int_target, org_addr, TRB_SET_COMP_CODE(TRB_SUCCESS), TRB_SET_TYPE(LINK), 1);
if (TRB_TOGGLE(trb.command))
BX_XHCI_THIS hub.slots[slot].ep_context[ep].rcs ^= 1;
BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer = trb.parameter & (Bit64u) ~0xF;
BX_INFO(("0x" FORMATADDRESS ": Transfer Ring (slot = %i) (ep = %i): LINK TRB: New dq_pointer = 0x" FMT_ADDRX64 " (%i)",
(bx_phy_address) org_addr, slot, ep, BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer, BX_XHCI_THIS hub.slots[slot].ep_context[ep].rcs));
#if ((VERSION_MAJOR == 0) && (VERSION_MINOR == 0x95))
// https://patchwork.kernel.org/patch/51191/
if (!TRB_CHAIN(trb.command))
BX_DEBUG(("Chain Bit in Link TRB not set."));
#endif
read_TRB((bx_phy_address) BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer, &trb);
continue;
// Setup Stage TRB
case SETUP_STAGE:
cur_direction = USB_TOKEN_SETUP;
is_transfer_trb = 1;
BX_INFO(("0x" FORMATADDRESS ": Transfer Ring (slot = %i) (ep = %i) (len = %i): Found SETUP TRB",
(bx_phy_address) org_addr, slot, ep, transfer_length));
break;
// Data Stage TRB
case DATA_STAGE:
cur_direction = TRB_GET_DIR(trb.command);
is_transfer_trb = 1;
BX_INFO(("0x" FORMATADDRESS ": Transfer Ring (slot = %i) (ep = %i) (len = %i): Found DATA STAGE TRB",
(bx_phy_address) org_addr, slot, ep, transfer_length));
break;
// Status Stage TRB
case STATUS_STAGE:
cur_direction = TRB_GET_DIR(trb.command);
is_transfer_trb = 1;
transfer_length = 0;
BX_INFO(("0x" FORMATADDRESS ": Transfer Ring (slot = %i) (ep = %i): Found STATUS STAGE TRB",
(bx_phy_address) org_addr, slot, ep));
break;
// Normal TRB
case NORMAL:
is_transfer_trb = 1;
BX_INFO(("0x" FORMATADDRESS ": Transfer Ring (slot = %i) (ep = %i) (len = %i): Found NORMAL TRB",
(bx_phy_address) org_addr, slot, ep, transfer_length));
break;
// Event TRB
case EVENT_DATA:
if (!spd_occurred || (spd_occurred && !first_event_trb_encountered)) {
comp_code = (spd_occurred) ? SHORT_PACKET : TRB_SUCCESS;
if (spd_occurred && !first_event_trb_encountered)
write_event_TRB(int_target, trb.parameter, TRB_SET_COMP_CODE(comp_code) | bytes_transferred, TRB_SET_TYPE(TRANS_EVENT) | (1<<2), ioc);
else
write_event_TRB(int_target, trb.parameter, TRB_SET_COMP_CODE(comp_code), TRB_SET_TYPE(TRANS_EVENT) | (1<<2), ioc);
}
if (spd_occurred)
first_event_trb_encountered = 1;
BX_INFO(("0x" FORMATADDRESS ": Transfer Ring (slot = %i) (ep = %i): Found EVENT_DATA TRB: (returning %i)",
(bx_phy_address) org_addr, slot, ep, comp_code));
break;
// unknown TRB type
default:
BX_ERROR(("0x" FORMATADDRESS ": Transfer Ring (slot = %i) (ep = %i): Unknown TRB found.",
(bx_phy_address) org_addr, slot, ep));
BX_ERROR(("Unknown trb type found: %i(dec) (0x" FMT_ADDRX64 " 0x%08X 0x%08X)", TRB_GET_TYPE(trb.command),
trb.parameter, trb.status, trb.command));
}
// is there a transfer to be done?
if (is_transfer_trb) {
// set status bar conditions for device
if (transfer_length > 0) {
if ((cur_direction == USB_TOKEN_OUT) || (cur_direction == USB_TOKEN_SETUP))
bx_gui->statusbar_setitem(BX_XHCI_THIS hub.statusbar_id, 1, 1); // write
else
bx_gui->statusbar_setitem(BX_XHCI_THIS hub.statusbar_id, 1); // read
BX_XHCI_THIS hub.iolight_counter = 5;
bx_pc_system.activate_timer(BX_XHCI_THIS hub.iolight_timer_index, 5000, 0);
}
comp_code = TRB_SUCCESS; // assume good trans event
packet.pid = cur_direction;
packet.devaddr = BX_XHCI_THIS hub.slots[slot].slot_context.device_address;
packet.devep = (ep >> 1);
packet.data = BX_XHCI_THIS device_buffer;
packet.len = transfer_length;
switch (cur_direction) {
case USB_TOKEN_OUT:
case USB_TOKEN_SETUP:
if ((is_immed_data == 0) && (transfer_length > 0))
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) address, transfer_length, BX_XHCI_THIS device_buffer);
// The XHCI should block all SET_ADDRESS SETUP TOKEN's
if ((cur_direction == USB_TOKEN_SETUP) &&
(BX_XHCI_THIS device_buffer[0] == 0) && // Request type
(BX_XHCI_THIS device_buffer[1] == 5) // SET_ADDRESS
) {
len = 0;
comp_code = TRB_ERROR;
BX_ERROR(("SETUP_TOKEN: System Software should not send SET_ADDRESS command on the xHCI."));
} else {
ret = BX_XHCI_THIS broadcast_packet(&packet, port_num - 1);
len = transfer_length;
BX_INFO(("OUT: Transferred %i bytes (ret = %i)", len, ret));
}
break;
case USB_TOKEN_IN:
ret = BX_XHCI_THIS broadcast_packet(&packet, port_num - 1);
if (ret >= 0) {
len = ret;
bytes_transferred += len;
if (len > 0)
DEV_MEM_WRITE_PHYSICAL_BLOCK((bx_phy_address) address, len, BX_XHCI_THIS device_buffer);
BX_INFO(("IN: Transferred %i bytes, requested %i bytes", len, transfer_length));
if (len < transfer_length) {
bytes_not_transferred = transfer_length - len;
spd_occurred = 1;
} else
bytes_not_transferred = 0;
} else {
switch (ret) {
case USB_RET_STALL:
comp_code = STALL_ERROR;
break;
case USB_RET_BABBLE:
comp_code = BABBLE_DETECTION;
break;
default:
comp_code = TRANSACTION_ERROR;
}
len = 0;
}
break;
}
// 4.10.1 paragraph 4
// 4.10.1.1
if (ioc) {
if ((comp_code == TRB_SUCCESS) && spd_occurred && TRB_SPD(trb.command)) {
comp_code = SHORT_PACKET;
BX_INFO(("Sending Short Packet Detect Event TRB (%i)", bytes_not_transferred));
}
// create a Event TRB
write_event_TRB(int_target, org_addr, TRB_SET_COMP_CODE(comp_code) | bytes_not_transferred,
TRB_SET_SLOT(slot) | TRB_SET_EP(ep) | TRB_SET_TYPE(TRANS_EVENT), 1);
}
}
}
// if the Chain bit is clear, then end of TD
if ((trb.command & (1<<4)) == 0) {
spd_occurred = 0;
bytes_transferred = 0;
}
// advance the Dequeue pointer and continue;
BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer += 16;
read_TRB((bx_phy_address) BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer, &trb);
}
BX_INFO(("Process Transfer Ring: Processed %i TRB's", trb_count));
if (trb_count == 0)
BX_ERROR(("Process Transfer Ring: Doorbell rang, but no TRB's were enqueued in the ring."));
}
// This function call starts at the current position in the Command Ring,
// processes that command, then moves to the next one, until CCS != SCS;
// BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer = current position in ring
// BX_XHCI_THIS hub.op_regs.HcCrcr.rcs = current ring cycle state
// BX_XHCI_THIS hub.op_regs.HcCrcr.crr = command ring running
void bx_usb_xhci_c::process_command_ring(void)
{
struct TRB trb;
int i, slot, slot_type, ep, comp_code = 0, new_addr = 0, bsr = 0;
Bit32u a_flags = 0, d_flags, tmpval1, tmpval2;
Bit64u org_addr;
Bit8u buffer[CONTEXT_SIZE + 2048];
struct SLOT_CONTEXT slot_context;
struct EP_CONTEXT ep_context;
if (!BX_XHCI_THIS hub.op_regs.HcCrcr.crr)
return;
// read in the TRB
read_TRB((bx_phy_address) BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer, &trb);
BX_DEBUG(("Dump command trb: %i(dec) (0x" FMT_ADDRX64 " 0x%08X 0x%08X) (%i)", TRB_GET_TYPE(trb.command),
trb.parameter, trb.status, trb.command, BX_XHCI_THIS hub.ring_members.command_ring.rcs));
while ((trb.command & 1) == BX_XHCI_THIS hub.ring_members.command_ring.rcs) {
org_addr = BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer;
switch (TRB_GET_TYPE(trb.command)) {
// is a LINK trb.
case LINK:
// Chain bit and Interrupter Target fields are ignored in Command Rings (Page 370)
BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer = trb.parameter & (Bit64u) ~0xF;
if (TRB_IOC(trb.command))
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(TRB_SUCCESS), TRB_SET_TYPE(LINK), 1);
if (TRB_TOGGLE(trb.command))
BX_XHCI_THIS hub.ring_members.command_ring.rcs ^= 1;
BX_INFO(("0x" FORMATADDRESS ": Command Ring: Found LINK TRB: New dq_pointer = 0x" FORMATADDRESS " (%i)",
(bx_phy_address) org_addr, (bx_phy_address) BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer,
BX_XHCI_THIS hub.ring_members.command_ring.rcs));
read_TRB((bx_phy_address) BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer, &trb);
continue;
// NEC: Get Firmware version
case NEC_TRB_TYPE_GET_FW:
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(1) | 0x3021, TRB_SET_TYPE(NEC_TRB_TYPE_CMD_COMP), 1);
BX_INFO(("NEC GET Firmware Version TRB found. Returning 0x3021"));
break;
case ENABLE_SLOT:
comp_code = NO_SLOTS_ERROR; // assume no slots
slot = 0;
slot_type = TRB_GET_STYPE(trb.command); // currently not used
for (i=1; i<MAX_SLOTS; i++) { // slots are one based
if (BX_XHCI_THIS hub.slots[i].enabled == 0) {
memset(&BX_XHCI_THIS hub.slots[i], 0, sizeof(struct HC_SLOT_CONTEXT));
BX_XHCI_THIS hub.slots[i].slot_context.slot_state = SLOT_STATE_DISABLED_ENABLED;
BX_XHCI_THIS hub.slots[i].enabled = 1;
slot = i;
for (i=1; i<32; i++)
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.ep_state = EP_STATE_DISABLED;
comp_code = TRB_SUCCESS;
break;
}
}
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(comp_code), TRB_SET_SLOT(slot) | TRB_SET_TYPE(COMMAND_COMPLETION), 1);
BX_INFO(("0x" FORMATADDRESS ": Command Ring: Found Enable Slot TRB (slot = %i) (returning %i)",
(bx_phy_address) org_addr, slot, comp_code));
break;
case DISABLE_SLOT:
slot = TRB_GET_SLOT(trb.command); // slots are 1 based
if (BX_XHCI_THIS hub.slots[slot].enabled) {
BX_XHCI_THIS hub.slots[slot].enabled = 0;
BX_XHCI_THIS hub.slots[slot].slot_context.slot_state = 0; // disabled
update_slot_context(slot);
for (i=1; i<32; i++) {
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.ep_state = EP_STATE_DISABLED;
update_ep_context(slot, i);
}
comp_code = TRB_SUCCESS;
} else
comp_code = SLOT_NOT_ENABLED;
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(comp_code), TRB_SET_SLOT(slot) | TRB_SET_TYPE(COMMAND_COMPLETION), 1);
BX_INFO(("0x" FORMATADDRESS ": Command Ring: Found Disable Slot TRB (slot = %i) (returning %i)",
(bx_phy_address) org_addr, slot, comp_code));
break;
case ADDRESS_DEVICE:
slot = TRB_GET_SLOT(trb.command); // slots are 1 based
if (BX_XHCI_THIS hub.slots[slot].enabled == 1) {
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) trb.parameter, (CONTEXT_SIZE + (CONTEXT_SIZE * 2)), buffer);
bsr = ((trb.command & (1<<9)) == (1<<9));
ReadHostDWordFromLittleEndian(&buffer[0], tmpval1);
ReadHostDWordFromLittleEndian(&buffer[4], tmpval2);
if ((tmpval1 == 0x00) && (tmpval2 == 0x03)) {
// Use temporary slot and ep context incase there is an error we don't modify the main contexts
copy_slot_from_buffer(&slot_context, &buffer[CONTEXT_SIZE]);
copy_ep_from_buffer(&ep_context, &buffer[CONTEXT_SIZE + CONTEXT_SIZE]);
// Only check for valid context on the first issued ADDRESS_DEVICE command
if ((BX_XHCI_THIS hub.slots[slot].sent_address == 1) ||
((validate_slot_context(&slot_context) && validate_ep_context(&ep_context, -1, 1)))) {
if (bsr == 1) { // BSR flag set
if (BX_XHCI_THIS hub.slots[slot].slot_context.slot_state == SLOT_STATE_DISABLED_ENABLED) {
slot_context.slot_state = SLOT_STATE_DEFAULT;
slot_context.device_address = 0;
ep_context.ep_state = EP_STATE_RUNNING;
comp_code = TRB_SUCCESS;
} else
comp_code = CONTEXT_STATE_ERROR;
} else { // BSR flag is clear
if (BX_XHCI_THIS hub.slots[slot].slot_context.slot_state <= SLOT_STATE_DEFAULT) {
ReadHostDWordFromLittleEndian(&buffer[CONTEXT_SIZE + 4], tmpval1);
int port_num = ((tmpval1 & (0xFF<<16)) >> 16) - 1; // slot:port_num is 1 based
new_addr = create_unique_address(slot);
if (send_set_address(new_addr, port_num) == 0) {
slot_context.slot_state = SLOT_STATE_ADRESSED;
slot_context.device_address = new_addr;
ep_context.ep_state = EP_STATE_RUNNING;
comp_code = TRB_SUCCESS;
} else
comp_code = TRANSACTION_ERROR;
} else
comp_code = CONTEXT_STATE_ERROR;
}
} else // validate contexts
comp_code = CONTEXT_STATE_ERROR;
} else
comp_code = CONTEXT_STATE_ERROR; // A0 and A1 not set correctly
} else
comp_code = SLOT_NOT_ENABLED;
// if successful, copy to the buffer allocated for this slot
if (comp_code == TRB_SUCCESS) {
memcpy(&BX_XHCI_THIS hub.slots[slot].slot_context, &slot_context, sizeof(struct SLOT_CONTEXT));
memcpy(&BX_XHCI_THIS hub.slots[slot].ep_context[1].ep_context, &ep_context, sizeof(struct EP_CONTEXT));
// initialize our internal enqueue pointer
BX_XHCI_THIS hub.slots[slot].ep_context[1].enqueue_pointer = ep_context.tr_dequeue_pointer;
BX_XHCI_THIS hub.slots[slot].ep_context[1].rcs = ep_context.dcs;
update_slot_context(slot);
update_ep_context(slot, 1);
// mark that we have done this once before
BX_XHCI_THIS hub.slots[slot].sent_address = 1;
}
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(comp_code), TRB_SET_SLOT(slot) | TRB_SET_TYPE(COMMAND_COMPLETION), 1);
//BX_INFO(("ADDRESS_DEVICE TRB: 0x" FMT_ADDRX64 " 0x%08X 0x%08X", trb.parameter, trb.status, trb.command));
BX_INFO(("0x" FORMATADDRESS ": Command Ring: SetAddress TRB (bsr = %i) (addr = %i) (slot = %i) (returning %i)",
(bx_phy_address) org_addr, bsr, new_addr, slot, comp_code));
break;
case EVALUATE_CONTEXT:
{
slot = TRB_GET_SLOT(trb.command); // slots are 1 based
if (BX_XHCI_THIS hub.slots[slot].enabled == 1) {
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) trb.parameter, (CONTEXT_SIZE + (CONTEXT_SIZE * 32)), buffer);
ReadHostDWordFromLittleEndian(&buffer[4], a_flags);
// only the Slot context and EP1 (control EP) contexts are evaluated. Section 6.2.3.3
// If the slot is not addresses or configured, then return error
// FIXME: XHCI specs 1.0, page 102 says DEFAULT or higher, while page 321 states higher than DEFAULT!!!
if (BX_XHCI_THIS hub.slots[slot].slot_context.slot_state >= SLOT_STATE_DEFAULT) {
comp_code = TRB_SUCCESS; // assume good completion
if (a_flags & (1<<0)) {
copy_slot_from_buffer(&slot_context, &buffer[CONTEXT_SIZE]);
if (!validate_slot_context(&slot_context))
comp_code = PARAMETER_ERROR;
}
if (a_flags & (1<<1)) {
copy_ep_from_buffer(&ep_context, &buffer[CONTEXT_SIZE + CONTEXT_SIZE]);
if (!validate_ep_context(&ep_context, BX_XHCI_THIS hub.slots[slot].slot_context.speed, 1))
comp_code = PARAMETER_ERROR;
}
} else
comp_code = CONTEXT_STATE_ERROR;
// if all were good, go ahead and update our contexts
if (comp_code == TRB_SUCCESS) {
for (i=0; i<32; i++) {
if (a_flags & (1<<i)) {
if (i == 0) {
copy_slot_from_buffer(&slot_context, &buffer[CONTEXT_SIZE]);
// only the Interrupter Target and Max Exit Latency are updated by this command
BX_XHCI_THIS hub.slots[slot].slot_context.int_target = slot_context.int_target;
BX_XHCI_THIS hub.slots[slot].slot_context.max_exit_latency = slot_context.max_exit_latency;
// update the DCBAAP slot
update_slot_context(slot);
} else { // is an ep
// See section 4.8.2 for what fields will be updated
copy_ep_from_buffer(&ep_context, &buffer[CONTEXT_SIZE + (i * CONTEXT_SIZE)]);
// All types get these four updated
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.ep_type = ep_context.ep_type;
//BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.tr_dequeue_pointer = ep_context.tr_dequeue_pointer;
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.dcs = 1;
// the Control EP0 endpoint's MPS field can not be modified by system software.
// it should remain the mps for the device attached.
if (i == 1) {
int port_num = BX_XHCI_THIS hub.slots[slot].slot_context.rh_port_num - 1;
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.max_packet_size =
BX_XHCI_THIS hub.usb_port[port_num].device->get_max_packet_size();
} else
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.max_packet_size = ep_context.max_packet_size;
switch (ep_context.ep_type) {
case 4: // control
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.cerr = ep_context.cerr;
break;
case 2: // Bulk out
case 6: // Bulk in
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.max_burst_size = ep_context.max_burst_size;
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.cerr = ep_context.cerr;
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.max_pstreams = 0; // we don't support streams yet
break;
default: // ISO or interrupt
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.max_burst_size = ep_context.max_burst_size;
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.mult = ep_context.mult;
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.cerr = 3;
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.max_pstreams = 0; // we don't support streams yet
break;
}
// update our internal enqueue pointer
//BX_XHCI_THIS hub.slots[slot].ep_context[i].enqueue_pointer = ep_context.tr_dequeue_pointer;
BX_XHCI_THIS hub.slots[slot].ep_context[i].rcs = ep_context.dcs;
// update the DCBAAP slot's ep
update_ep_context(slot, i);
}
}
}
}
} else
comp_code = SLOT_NOT_ENABLED;
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(comp_code), TRB_SET_SLOT(slot) | TRB_SET_TYPE(COMMAND_COMPLETION), 1);
BX_INFO(("0x" FORMATADDRESS ": Command Ring: Evaluate TRB (slot = %i) (a_flags = 0x%08X) (returning %i)",
(bx_phy_address) org_addr, slot, a_flags, comp_code));
}
break;
case CONFIG_EP: {
slot = TRB_GET_SLOT(trb.command); // slots are 1 based
bx_bool dc = TRB_DC(trb.command);
if (BX_XHCI_THIS hub.slots[slot].enabled) {
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) trb.parameter, (CONTEXT_SIZE + (CONTEXT_SIZE * 32)), buffer);
ReadHostDWordFromLittleEndian(&buffer[0], d_flags);
ReadHostDWordFromLittleEndian(&buffer[4], a_flags);
copy_slot_from_buffer(&slot_context, &buffer[CONTEXT_SIZE]); // so we get entry_count
if (BX_XHCI_THIS hub.slots[slot].slot_context.slot_state == SLOT_STATE_CONFIGURED) {
for (i=2; i<32; i++) {
if (dc || (d_flags & (1<<i))) {
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.ep_state = EP_STATE_DISABLED;
// TODO: Bandwidth stuff
update_ep_context(slot, i);
}
}
if (dc) {
BX_XHCI_THIS hub.slots[slot].slot_context.entries = 1;
update_slot_context(slot);
}
}
if (!dc && (BX_XHCI_THIS hub.slots[slot].slot_context.slot_state >= SLOT_STATE_ADRESSED)) {
comp_code = TRB_SUCCESS; // assume good completion
// Check all the input context entries with an a_flag == 1
for (i=2; i<32; i++) {
if (a_flags & (1<<i)) {
copy_ep_from_buffer(&ep_context, &buffer[CONTEXT_SIZE + (CONTEXT_SIZE * i)]);
if ((i > (int) slot_context.entries) ||
!validate_ep_context(&ep_context, BX_XHCI_THIS hub.slots[slot].slot_context.speed, i)) {
comp_code = PARAMETER_ERROR;
break; // no need to check the rest
}
}
}
// if all were good, go ahead and update our contexts
if (comp_code == TRB_SUCCESS) {
for (i=2; i<32; i++) {
if (d_flags & (1<<i)) {
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.ep_state = EP_STATE_DISABLED;
// TODO: Bandwidth stuff
update_ep_context(slot, i);
}
if (a_flags & (1<<i)) {
copy_ep_from_buffer(&BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context, &buffer[CONTEXT_SIZE + (i * CONTEXT_SIZE)]);
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.ep_state = EP_STATE_RUNNING;
// initialize our internal enqueue pointer
BX_XHCI_THIS hub.slots[slot].ep_context[i].enqueue_pointer =
BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.tr_dequeue_pointer;
BX_XHCI_THIS hub.slots[slot].ep_context[i].rcs = BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.dcs;
// TODO: Bandwidth stuff
update_ep_context(slot, i);
}
}
// if all EP's are in the disabled state, then set to slot_state = ADDRESSED, else slot_state = CONFIGURED
BX_XHCI_THIS hub.slots[slot].slot_context.slot_state = SLOT_STATE_ADRESSED; // assume all disabled
for (i=2; i<32; i++) {
if (BX_XHCI_THIS hub.slots[slot].ep_context[i].ep_context.ep_state > EP_STATE_DISABLED) {
BX_XHCI_THIS hub.slots[slot].slot_context.slot_state = SLOT_STATE_CONFIGURED;
break;
}
}
BX_XHCI_THIS hub.slots[slot].slot_context.entries = slot_context.entries; ///////
update_slot_context(slot);
}
} else
comp_code = CONTEXT_STATE_ERROR;
} else
comp_code = SLOT_NOT_ENABLED;
// TODO: Page 101 (change to context entries)
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(comp_code), TRB_SET_SLOT(slot) | TRB_SET_TYPE(COMMAND_COMPLETION), 1);
BX_INFO(("0x" FORMATADDRESS ": Command Ring: Found Config_EP TRB (slot = %i) (returning %i)",
(bx_phy_address) org_addr, slot, comp_code));
}
break;
case SET_TR_DEQUEUE:
slot = TRB_GET_SLOT(trb.command); // slots are 1 based
ep = TRB_GET_EP(trb.command);
if (BX_XHCI_THIS hub.slots[slot].enabled == 1) {
if ((BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_STOPPED) ||
(BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_ERROR)) {
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.tr_dequeue_pointer =
BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer = (trb.parameter & (Bit64u) ~0xF);
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.dcs =
BX_XHCI_THIS hub.slots[slot].ep_context[ep].rcs = (bx_bool) (trb.parameter & 1);
update_ep_context(slot, ep);
comp_code = TRB_SUCCESS;
} else
comp_code = CONTEXT_STATE_ERROR;
} else
comp_code = SLOT_NOT_ENABLED;
// if the state is in error, move it to stopped
if (BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_ERROR)
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state = EP_STATE_STOPPED;
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(comp_code), TRB_SET_SLOT(slot) | TRB_SET_TYPE(COMMAND_COMPLETION), 1);
BX_INFO(("0x" FORMATADDRESS ": Command Ring: Found Set_tr_Dequeue TRB (slot = %i) (ep = %i) (returning %i)",
(bx_phy_address) org_addr, slot, ep, comp_code));
if (comp_code == TRB_SUCCESS)
BX_INFO((" New address: 0x" FORMATADDRESS " state = %i", (bx_phy_address) BX_XHCI_THIS hub.slots[slot].ep_context[ep].enqueue_pointer,
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.dcs));
break;
// case RESET_EP:
// May only be sent to EP's in the HALTED state. (page 105)
// BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_STOPPED;
// break;
case STOP_EP:
slot = TRB_GET_SLOT(trb.command); // slots are 1 based
ep = TRB_GET_EP(trb.command);
// A Stop Endpoint Command received while an endpoint is in the Error state shall have no effect and shall
// generate a Command Completion Event with the Completion Code set to Context State Error.
if (BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state == EP_STATE_ERROR)
comp_code = CONTEXT_STATE_ERROR;
else {
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state = EP_STATE_STOPPED;
update_ep_context(slot, ep);
comp_code = TRB_SUCCESS;
}
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(comp_code), TRB_SET_SLOT(slot) | TRB_SET_TYPE(COMMAND_COMPLETION), 1);
BX_INFO(("0x" FORMATADDRESS ": Command Ring: Found Stop EP TRB (slot = %i) (ep = %i) (sp = %i) (returning 1)",
(bx_phy_address) org_addr, slot, ep, ((trb.command & (1<<23)) == (1<<23))));
break;
// Get Port Bandwidth (only available on version 0.96 or 0.95.)
case GET_PORT_BAND:
{
unsigned hub_id = TRB_GET_SLOT(trb.command);
unsigned band_speed = ((trb.command & (0x0F << 16)) >> 16) - 1;
if (hub_id == 0) { // root hub
if (band_speed < 4) {
DEV_MEM_WRITE_PHYSICAL_BLOCK((bx_phy_address) trb.parameter, 1 + USB_XHCI_PORTS, port_band_width[band_speed]);
comp_code = TRB_SUCCESS;
} else {
comp_code = TRB_ERROR;
BX_ERROR(("Get Port Bandwidth with unknown speed of %i", band_speed + 1));
}
} else {
#if SEC_DOMAIN_BAND
// TODO: External HUB support
comp_code = TRB_ERROR;
BX_ERROR(("Get Secondary Port Bandwidth not implemented yet."));
#else
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(TRB_ERROR), TRB_SET_TYPE(COMMAND_COMPLETION), 1);
#endif
}
write_event_TRB(0, org_addr, TRB_SET_COMP_CODE(comp_code), TRB_SET_TYPE(COMMAND_COMPLETION), 1);
BX_INFO(("0x" FORMATADDRESS ": Command Ring: GetPortBandwidth TRB (speed = %i) (hub_id = %i) (returning %i)",
(bx_phy_address) org_addr, band_speed, hub_id, comp_code));
}
break;
// unknown TRB type
default:
BX_ERROR(("0x" FORMATADDRESS ": Command Ring: Unknown TRB found.", (bx_phy_address) org_addr));
BX_ERROR(("Unknown trb type found: %i(dec) (0x" FMT_ADDRX64 " 0x%08X 0x%08X)", TRB_GET_TYPE(trb.command),
trb.parameter, trb.status, trb.command));
write_event_TRB(0, 0x0, TRB_SET_COMP_CODE(TRB_ERROR), TRB_SET_TYPE(COMMAND_COMPLETION), 1);
}
// advance the Dequeue pointer and continue;
BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer += 16;
read_TRB((bx_phy_address) BX_XHCI_THIS hub.ring_members.command_ring.dq_pointer, &trb);
}
}
void bx_usb_xhci_c::init_event_ring(const unsigned interrupter)
{
bx_phy_address addr = (bx_phy_address) BX_XHCI_THIS hub.runtime_regs.interrupter[interrupter].erstba.erstabadd;
int i;
Bit8u entry[16];
Bit32u val32;
Bit64u val64;
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].rcs = 1;
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].count = 0;
DEV_MEM_READ_PHYSICAL_BLOCK(addr, sizeof(BX_XHCI_THIS hub.ring_members.event_rings[interrupter].entrys),
(Bit8u*) BX_XHCI_THIS hub.ring_members.event_rings[interrupter].entrys);
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].cur_trb =
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].entrys[0].addr;
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].trb_count =
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].entrys[0].size;
// dump the event segment table
BX_DEBUG(("Interrupter %02i: Event Ring Table has %i entries:", interrupter,
BX_XHCI_THIS hub.runtime_regs.interrupter[interrupter].erstsz.erstabsize));
addr = (bx_phy_address) BX_XHCI_THIS hub.runtime_regs.interrupter[interrupter].erstba.erstabadd;
for (i=0; i<BX_XHCI_THIS hub.runtime_regs.interrupter[interrupter].erstsz.erstabsize; i++) {
DEV_MEM_READ_PHYSICAL_BLOCK(addr + (i * 16), 16, entry);
ReadHostQWordFromLittleEndian(&entry[0], val64);
ReadHostDWordFromLittleEndian(&entry[8], val32);
BX_DEBUG((" %02i: address = 0x" FMT_ADDRX64 " Count = %i", i, val64, val32));
}
}
void bx_usb_xhci_c::write_event_TRB(const unsigned interrupter, const Bit64u parameter, const Bit32u status,
const Bit32u command, const bx_bool fire_int)
{
// write the TRB
write_TRB((bx_phy_address) BX_XHCI_THIS hub.ring_members.event_rings[interrupter].cur_trb, parameter, status,
command | BX_XHCI_THIS hub.ring_members.event_rings[interrupter].rcs); // set the cycle bit
// calculate position for next event TRB
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].cur_trb += 16;
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].trb_count--;
if (BX_XHCI_THIS hub.ring_members.event_rings[interrupter].trb_count == 0) {
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].count++;
if (BX_XHCI_THIS hub.ring_members.event_rings[interrupter].count ==
BX_XHCI_THIS hub.runtime_regs.interrupter[interrupter].erstsz.erstabsize) {
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].rcs ^= 1;
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].count = 0;
}
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].cur_trb =
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].entrys[BX_XHCI_THIS hub.ring_members.event_rings[interrupter].count].addr;
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].trb_count =
BX_XHCI_THIS hub.ring_members.event_rings[interrupter].entrys[BX_XHCI_THIS hub.ring_members.event_rings[interrupter].count].size;
}
// if caller wants us to fire and interrupt, do so
if (fire_int) {
BX_XHCI_THIS hub.runtime_regs.interrupter[interrupter].iman.ip = 1;
BX_XHCI_THIS hub.runtime_regs.interrupter[interrupter].erdp.ehb = 1; // set event handler busy
BX_XHCI_THIS hub.op_regs.HcStatus.eint = 1;
update_irq(interrupter);
}
}
void bx_usb_xhci_c::read_TRB(bx_phy_address addr, struct TRB *trb)
{
Bit8u buffer[16];
DEV_MEM_READ_PHYSICAL_BLOCK(addr, 16, buffer);
ReadHostQWordFromLittleEndian(&buffer[0], trb->parameter);
ReadHostDWordFromLittleEndian(&buffer[8], trb->status);
ReadHostDWordFromLittleEndian(&buffer[12], trb->command);
}
void bx_usb_xhci_c::write_TRB(bx_phy_address addr, const Bit64u parameter, const Bit32u status, const Bit32u command)
{
Bit8u buffer[16];
WriteHostQWordToLittleEndian(&buffer[0], parameter);
WriteHostDWordToLittleEndian(&buffer[8], status);
WriteHostDWordToLittleEndian(&buffer[12], command);
DEV_MEM_WRITE_PHYSICAL_BLOCK(addr, 16, buffer);
}
void bx_usb_xhci_c::update_slot_context(const int slot)
{
Bit8u buffer[64];
Bit64u slot_addr;
memset(buffer, 0, 64);
copy_slot_to_buffer(buffer, slot);
slot_addr = (BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap + (slot * sizeof(Bit64u)));
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) slot_addr, sizeof(Bit64u), (Bit8u *) &slot_addr);
DEV_MEM_WRITE_PHYSICAL_BLOCK((bx_phy_address) slot_addr, CONTEXT_SIZE, buffer);
}
void bx_usb_xhci_c::update_ep_context(const int slot, const int ep)
{
Bit8u buffer[64];
Bit64u slot_addr;
memset(buffer, 0, 64);
copy_ep_to_buffer(buffer, slot, ep);
slot_addr = (BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap + (slot * sizeof(Bit64u)));
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) slot_addr, sizeof(Bit64u), (Bit8u *) &slot_addr);
DEV_MEM_WRITE_PHYSICAL_BLOCK((bx_phy_address) (slot_addr + (ep * CONTEXT_SIZE)), CONTEXT_SIZE, buffer);
}
void bx_usb_xhci_c::dump_slot_context(const Bit32u *context, const int slot)
{
BX_INFO((" -=-=-=-=-=-=-=- Slot Context -=-=-=-=-=-=-=-"));
BX_INFO((" Context Entries: %i (%i)", (context[0] & (0x1F<<27)) >> 27, BX_XHCI_THIS hub.slots[slot].slot_context.entries));
BX_INFO((" Hub: %i (%i)", (context[0] & (1 <<26)) >> 26, BX_XHCI_THIS hub.slots[slot].slot_context.hub));
BX_INFO((" MTT: %i (%i)", (context[0] & (1 <<25)) >> 25, BX_XHCI_THIS hub.slots[slot].slot_context.mtt));
BX_INFO((" ReservedZ: %02X", (context[0] & (1 <<24)) >> 24));
BX_INFO((" Speed: %i (%i)", (context[0] & (0x0F<<20)) >> 20, BX_XHCI_THIS hub.slots[slot].slot_context.speed));
BX_INFO((" Route String: %05X (%05X)", (context[0] & 0xFFFFF) >> 0, BX_XHCI_THIS hub.slots[slot].slot_context.route_string));
BX_INFO((" Num Ports: %i (%i)", (context[1] & (0xFF<<24)) >> 24, BX_XHCI_THIS hub.slots[slot].slot_context.num_ports));
BX_INFO((" RH Port Num: %i (%i)", (context[1] & (0xFF<<16)) >> 16, BX_XHCI_THIS hub.slots[slot].slot_context.rh_port_num));
BX_INFO(("Max Exit Latency: %i (%i)", (context[1] & 0xFFFF) >> 0, BX_XHCI_THIS hub.slots[slot].slot_context.max_exit_latency));
BX_INFO((" Int Target: %i (%i)", (context[2] & (0x3F<<22)) >> 22, BX_XHCI_THIS hub.slots[slot].slot_context.int_target));
BX_INFO((" ReservedZ: %02X", (context[2] & (0x0F<<18)) >> 18));
BX_INFO((" TTT: %i (%i)", (context[2] & (0x03<<16)) >> 16, BX_XHCI_THIS hub.slots[slot].slot_context.ttt));
BX_INFO((" TT Port Num: %i (%i)", (context[2] & (0xFF<< 8)) >> 8, BX_XHCI_THIS hub.slots[slot].slot_context.tt_port_num));
BX_INFO((" TT Hub Slot: %i (%i)", (context[2] & 0xFF) >> 0, BX_XHCI_THIS hub.slots[slot].slot_context.tt_hub_slot_id));
BX_INFO((" Slot State: %i (%i)", (context[3] & (0x1F<<27)) >> 27, BX_XHCI_THIS hub.slots[slot].slot_context.slot_state));
BX_INFO((" ReservedZ: %06X", (context[3] & (0x7FFFF<<8)) >> 8));
BX_INFO((" Dev Address: %i (%i)", (context[3] & 0xFF) >> 0, BX_XHCI_THIS hub.slots[slot].slot_context.device_address));
BX_INFO((" ReservedZ: %08X", context[4]));
BX_INFO((" ReservedZ: %08X", context[5]));
BX_INFO((" ReservedZ: %08X", context[6]));
BX_INFO((" ReservedZ: %08X", context[7]));
#if (CONTEXT_SIZE == 64)
BX_INFO((" ReservedZ: %08x", context[8]));
BX_INFO((" ReservedZ: %08x", context[9]));
BX_INFO((" ReservedZ: %08x", context[10]));
BX_INFO((" ReservedZ: %08x", context[11]));
BX_INFO((" ReservedZ: %08x", context[12]));
BX_INFO((" ReservedZ: %08x", context[13]));
BX_INFO((" ReservedZ: %08x", context[14]));
BX_INFO((" ReservedZ: %08x", context[15]));
#endif
}
void bx_usb_xhci_c::dump_ep_context(const Bit32u *context, const int slot, const int ep)
{
BX_INFO((" -=-=-=-=-=-=-=-=- EP Context -=-=-=-=-=-=-=-"));
BX_INFO((" ReservedZ: %02x", (context[0] & (0xFF<<24)) >> 24));
BX_INFO((" Interval: %i (%i)", (context[0] & (0x0F<<20)) >> 20, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.interval));
BX_INFO((" LSA: %i (%i)", (context[0] & (1 <<15)) >> 15, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.lsa));
BX_INFO((" MaxPStreams: %i (%i)", (context[0] & (0x1F<<10)) >> 10, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.max_pstreams));
BX_INFO((" Mult: %i (%i)", (context[0] & (0x03<< 8)) >> 8, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.mult));
BX_INFO((" ReservedZ: %02x", (context[0] & (0x1F<< 3)) >> 3));
BX_INFO((" EP State: %i (%i)", (context[0] & 0x7) >> 0, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state));
BX_INFO((" Max Packet Size: %i (%i)", (context[1] & (0xFFFF<<16)) >> 16, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.max_packet_size));
BX_INFO((" Max Burst Size: %i (%i)", (context[1] & (0xFF<< 8)) >> 8, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.max_burst_size));
BX_INFO((" HID: %i (%i)", (context[1] & (1 << 7)) >> 7, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.hid));
BX_INFO((" ReservedZ: %01x", (context[1] & (1 << 6)) >> 6));
BX_INFO((" EP Type: %i (%i)", (context[1] & (0x07<< 3)) >> 3, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_type));
BX_INFO((" CErr: %i (%i)", (context[1] & (0x03<< 1)) >> 1, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.cerr));
BX_INFO((" ReservedZ: %01x", (context[1] & (1 << 0)) >> 0));
BX_INFO((" TR Dequeue Ptr: " FMT_ADDRX64 " (" FMT_ADDRX64 ")", (*(Bit64u *) &context[2] & (Bit64u) ~0x0F), BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.tr_dequeue_pointer));
BX_INFO((" ReservedZ: %01x", (context[2] & (0x07 << 1)) >> 1));
BX_INFO((" DCS: %i (%i)", (context[2] & (1 << 0)) >> 0, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.dcs));
BX_INFO(("Avg ESIT Payload: %i (%i)", (context[4] & (0xFFFF<<16)) >> 16, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.max_esit_payload));
BX_INFO((" Avg TRB Length: %i (%i)", (context[4] & (0xFFFF<< 0)) >> 0, BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.average_trb_len));
BX_INFO((" ReservedZ: %08x", context[5]));
BX_INFO((" ReservedZ: %08x", context[6]));
BX_INFO((" ReservedZ: %08x", context[7]));
#if (CONTEXT_SIZE == 64)
BX_INFO((" ReservedZ: %08x", context[8]));
BX_INFO((" ReservedZ: %08x", context[9]));
BX_INFO((" ReservedZ: %08x", context[10]));
BX_INFO((" ReservedZ: %08x", context[11]));
BX_INFO((" ReservedZ: %08x", context[12]));
BX_INFO((" ReservedZ: %08x", context[13]));
BX_INFO((" ReservedZ: %08x", context[14]));
BX_INFO((" ReservedZ: %08x", context[15]));
#endif
}
void bx_usb_xhci_c::copy_slot_from_buffer(struct SLOT_CONTEXT *slot_context, const Bit8u *buffer)
{
slot_context->entries = (*(Bit32u *) &buffer[0]) >> 27;
slot_context->hub = ((*(Bit32u *) &buffer[0]) & (1<<26)) ? 1 : 0;
slot_context->mtt = ((*(Bit32u *) &buffer[0]) & (1<<25)) ? 1 : 0;
slot_context->speed = ((*(Bit32u *) &buffer[0]) & (0x0F<<20)) >> 20;
slot_context->route_string = ((*(Bit32u *) &buffer[0]) & 0x0007FFFF);
slot_context->num_ports = (*(Bit32u *) &buffer[4]) >> 24;
slot_context->rh_port_num = ((*(Bit32u *) &buffer[4]) & (0xFF<<16)) >> 16;
slot_context->max_exit_latency = (*(Bit32u *) &buffer[4]) & 0xFFFF;
slot_context->int_target = (*(Bit32u *) &buffer[8]) >> 22;
slot_context->ttt = ((*(Bit32u *) &buffer[8]) & (0x3<<16)) >> 16;
slot_context->tt_port_num = ((*(Bit32u *) &buffer[8]) & (0xFF<<8)) >> 8;
slot_context->tt_hub_slot_id = (*(Bit32u *) &buffer[8]) & 0xFF;
slot_context->slot_state = (*(Bit32u *) &buffer[12]) >> 27;
slot_context->device_address = (*(Bit32u *) &buffer[12]) & 0xFF;
}
void bx_usb_xhci_c::copy_ep_from_buffer(struct EP_CONTEXT *ep_context, const Bit8u *buffer)
{
ep_context->interval = ((*(Bit32u *) &buffer[0]) & (0xFF<<16)) >> 16;
ep_context->lsa = ((*(Bit32u *) &buffer[0]) & (1<<15)) ? 1 : 0;
ep_context->max_pstreams = ((*(Bit32u *) &buffer[0]) & (0x1F<<10)) >> 10;
ep_context->mult = ((*(Bit32u *) &buffer[0]) & (0x03<<8)) >> 8;
ep_context->ep_state = (*(Bit32u *) &buffer[0]) & 0x07;
ep_context->max_packet_size = (*(Bit32u *) &buffer[4]) >> 16;
ep_context->max_burst_size = ((*(Bit32u *) &buffer[4]) & (0xFF<<8)) >> 8;
ep_context->hid = ((*(Bit32u *) &buffer[4]) & (1<<7)) ? 1 : 0;
ep_context->ep_type = ((*(Bit32u *) &buffer[4]) & (0x07<<3)) >> 3;
ep_context->cerr = ((*(Bit32u *) &buffer[4]) & (0x03<<1)) >> 1;
ep_context->tr_dequeue_pointer = (*(Bit64u *) &buffer[8]) & (Bit64u) ~0xF;
ep_context->dcs = (*(Bit64u *) &buffer[8]) & (1<<0);
ep_context->max_esit_payload = (*(Bit32u *) &buffer[16]) >> 16;
ep_context->average_trb_len = (*(Bit32u *) &buffer[16]) & 0xFFFF;
}
void bx_usb_xhci_c::copy_slot_to_buffer(const Bit8u *buffer, const int slot)
{
(*(Bit32u *) &buffer[0]) = (BX_XHCI_THIS hub.slots[slot].slot_context.entries << 27) |
(BX_XHCI_THIS hub.slots[slot].slot_context.hub << 26) |
(BX_XHCI_THIS hub.slots[slot].slot_context.mtt << 25) |
(BX_XHCI_THIS hub.slots[slot].slot_context.speed << 20) |
BX_XHCI_THIS hub.slots[slot].slot_context.route_string;
(*(Bit32u *) &buffer[4]) = (BX_XHCI_THIS hub.slots[slot].slot_context.num_ports << 24) |
(BX_XHCI_THIS hub.slots[slot].slot_context.rh_port_num << 16) |
BX_XHCI_THIS hub.slots[slot].slot_context.max_exit_latency;
(*(Bit32u *) &buffer[8]) = (BX_XHCI_THIS hub.slots[slot].slot_context.int_target << 22) |
(BX_XHCI_THIS hub.slots[slot].slot_context.ttt << 16) |
(BX_XHCI_THIS hub.slots[slot].slot_context.tt_port_num << 8) |
BX_XHCI_THIS hub.slots[slot].slot_context.tt_hub_slot_id;
(*(Bit32u *) &buffer[12]) = (BX_XHCI_THIS hub.slots[slot].slot_context.slot_state << 27) |
BX_XHCI_THIS hub.slots[slot].slot_context.device_address;
}
void bx_usb_xhci_c::copy_ep_to_buffer(const Bit8u *buffer, const int slot, const int ep)
{
(*(Bit32u *) &buffer[0]) = (BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.interval << 16) |
(BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.lsa << 15) |
(BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.max_pstreams << 10) |
(BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.mult << 8) |
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_state;
(*(Bit32u *) &buffer[4]) = (BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.max_packet_size << 16) |
(BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.max_burst_size << 8) |
(BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.hid << 7) |
(BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.ep_type << 3) |
(BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.cerr << 1);
(*(Bit64u *) &buffer[8]) = BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.tr_dequeue_pointer |
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.dcs;
(*(Bit32u *) &buffer[16]) = (BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.max_esit_payload << 16) |
BX_XHCI_THIS hub.slots[slot].ep_context[ep].ep_context.average_trb_len;
}
bx_bool bx_usb_xhci_c::validate_slot_context(const struct SLOT_CONTEXT *slot_context)
{
// specs:6.2.2.3: Only checks the Interrupter Target and Max Latency fields for validity
// See also 4.6.7
// only the Interrupter Target and Max Exit Latency are evaluated
BX_INFO((" slot_context->int_target = %i, slot_context->max_exit_latency = %i", slot_context->int_target, slot_context->max_exit_latency));
return 1;
}
bx_bool bx_usb_xhci_c::validate_ep_context(const struct EP_CONTEXT *ep_context, int speed, int ep_num)
{
// Only the Max_packet Size is evaluated (for an evaluate ep command) ???
// max_packet_size is assumed to be a multiple of 8
BX_INFO((" ep_num = %i, speed = %i, ep_context->max_packet_size = %i", ep_num, speed, ep_context->max_packet_size));
// if speed == -1, don't check the speed
if ((ep_num == 1) && (speed != -1)) {
return (
((speed == SPEED_LOW) && (ep_context->max_packet_size == 8)) ||
((speed == SPEED_FULL) && (ep_context->max_packet_size <= 64)) || // this may need to retrieve the mps from usb_common.c
((speed == SPEED_HI) && (ep_context->max_packet_size == 64)) ||
((speed == SPEED_SUPER) && (ep_context->max_packet_size == 512))
);
} else
return 1;
}
// The Specs say that the address is only unique to the RH Port Number
// For now, we simply return the slot number (+1);
int bx_usb_xhci_c::create_unique_address(const int slot)
{
return (slot + 1); // Windows may need the first one to be 2 (though it shouldn't know the difference for xHCI)
}
int bx_usb_xhci_c::send_set_address(const int addr, const int port_num)
{
int ret;
USBPacket packet;
static Bit8u setup_address[8] = { 0, 0x05, 0, 0, 0, 0, 0 };
WriteHostWordToLittleEndian(&setup_address[2], addr);
packet.pid = USB_TOKEN_SETUP;
packet.devep = 0;
packet.devaddr = 0; // default address
packet.len = 8;
packet.data = setup_address;
ret = BX_XHCI_THIS broadcast_packet(&packet, port_num);
if (ret == 0) {
packet.pid = USB_TOKEN_IN;
packet.len = 0;
ret = BX_XHCI_THIS broadcast_packet(&packet, port_num);
}
return ret;
}
int bx_usb_xhci_c::broadcast_packet(USBPacket *p, const int port)
{
int ret = USB_RET_NODEV;
if (BX_XHCI_THIS hub.usb_port[port].device != NULL)
ret = BX_XHCI_THIS hub.usb_port[port].device->handle_packet(p);
return ret;
}
/*
void bx_usb_xhci_c::usb_frame_handler(void *this_ptr)
{
bx_usb_xhci_c *class_ptr = (bx_usb_xhci_c *) this_ptr;
class_ptr->usb_frame_timer();
}
// Called once every ????
void bx_usb_xhci_c::usb_frame_timer(void)
{
// Nothing for now
}
*/
void bx_usb_xhci_c::iolight_timer_handler(void *this_ptr)
{
bx_usb_xhci_c *class_ptr = (bx_usb_xhci_c *) this_ptr;
class_ptr->iolight_timer();
}
void bx_usb_xhci_c::iolight_timer()
{
if (BX_XHCI_THIS hub.iolight_counter > 0) {
if (--BX_XHCI_THIS hub.iolight_counter)
bx_pc_system.activate_timer(BX_XHCI_THIS hub.iolight_timer_index, 5000, 0);
else
bx_gui->statusbar_setitem(BX_XHCI_THIS hub.statusbar_id, 0);
}
}
void bx_usb_xhci_c::runtime_config_handler(void *this_ptr)
{
bx_usb_xhci_c *class_ptr = (bx_usb_xhci_c *) this_ptr;
class_ptr->runtime_config();
}
void bx_usb_xhci_c::runtime_config(void)
{
int i;
char pname[6];
for (i = 0; i < BX_N_USB_XHCI_PORTS; i++) {
// device change support
if ((BX_XHCI_THIS hub.device_change & (1 << i)) != 0) {
BX_INFO(("USB port #%d: device connect", i+1));
sprintf(pname, "port%d", i + 1);
init_device(i, (bx_list_c*)SIM->get_param(pname, SIM->get_param(BXPN_USB_XHCI)));
BX_XHCI_THIS hub.device_change &= ~(1 << i);
}
// forward to connected device
if (BX_XHCI_THIS hub.usb_port[i].device != NULL) {
BX_XHCI_THIS hub.usb_port[i].device->runtime_config();
}
}
}
// pci configuration space read callback handler
Bit32u bx_usb_xhci_c::pci_read_handler(Bit8u address, unsigned io_len)
{
Bit32u value = 0;
for (unsigned i=0; i<io_len; i++) {
value |= (BX_XHCI_THIS pci_conf[address+i] << (i*8));
}
if (io_len == 1)
BX_DEBUG(("read PCI register 0x%02x value 0x%02x", address, value));
else if (io_len == 2)
BX_DEBUG(("read PCI register 0x%02x value 0x%04x", address, value));
else if (io_len == 4)
BX_DEBUG(("read PCI register 0x%02x value 0x%08x", address, value));
return value;
}
// pci configuration space write callback handler
void bx_usb_xhci_c::pci_write_handler(Bit8u address, Bit32u value, unsigned io_len)
{
Bit8u value8, oldval;
bx_bool baseaddr_change = 0;
if (((address >= 0x14) && (address <= 0x34)))
return;
for (unsigned i=0; i<io_len; i++) {
value8 = (value >> (i*8)) & 0xFF;
oldval = BX_XHCI_THIS pci_conf[address+i];
switch (address+i) {
case 0x04:
value8 &= 0x06; // (bit 0 is read only for this card) (we don't allow port IO)
BX_XHCI_THIS pci_conf[address+i] = value8;
break;
case 0x3d: //
case 0x3e: //
case 0x3f: //
case 0x05: // disallowing write to command hi-byte
case 0x06: // disallowing write to status lo-byte (is that expected?)
break;
case 0x3c:
if (value8 != oldval) {
BX_INFO(("new irq line = %d", value8));
BX_XHCI_THIS pci_conf[address+i] = value8;
}
break;
case 0x10: // low 12 bits of BAR are R/O
value8 = 0x00;
case 0x11: // low 12 bits of BAR are R/O
value8 &= 0xF0;
case 0x12:
case 0x13:
baseaddr_change |= (value8 != oldval);
default:
BX_XHCI_THIS pci_conf[address+i] = value8;
}
}
if (baseaddr_change) {
if (DEV_pci_set_base_mem(BX_XHCI_THIS_PTR, read_handler, write_handler,
&BX_XHCI_THIS pci_base_address[0],
&BX_XHCI_THIS pci_conf[0x10],
IO_SPACE_SIZE)) {
BX_INFO(("new base address: 0x%04x", BX_XHCI_THIS pci_base_address[0]));
}
}
if (io_len == 1)
BX_DEBUG(("write PCI register 0x%02x value 0x%02x", address, value));
else if (io_len == 2)
BX_DEBUG(("write PCI register 0x%02x value 0x%04x", address, value));
else if (io_len == 4)
BX_DEBUG(("write PCI register 0x%02x value 0x%08x", address, value));
}
void bx_usb_xhci_c::usb_set_connect_status(Bit8u port, int type, bx_bool connected)
{
const bx_bool ccs_org = BX_XHCI_THIS hub.usb_port[port].portsc.ccs;
const bx_bool ped_org = BX_XHCI_THIS hub.usb_port[port].portsc.ped;
usb_device_c *device = BX_XHCI_THIS hub.usb_port[port].device;
if (device != NULL) {
if (device->get_type() == type) {
if (connected) {
BX_XHCI_THIS hub.usb_port[port].portsc.speed =
(device->get_speed() == USB_SPEED_LOW) ? 2 : 1;
BX_XHCI_THIS hub.usb_port[port].portsc.ccs = 1;
if (!device->get_connected()) {
if (!device->init()) {
usb_set_connect_status(port, type, 0);
BX_ERROR(("port #%d: connect failed", port+1));
} else {
BX_INFO(("port #%d: connect: %s", port+1, device->get_info()));
}
}
} else { // not connected
BX_XHCI_THIS hub.usb_port[port].portsc.ccs = 0;
BX_XHCI_THIS hub.usb_port[port].portsc.ped = 0;
BX_XHCI_THIS hub.usb_port[port].portsc.speed = 0;
remove_device(port);
}
}
if (ccs_org != BX_XHCI_THIS hub.usb_port[port].portsc.ccs)
BX_XHCI_THIS hub.usb_port[port].portsc.csc = 1;
if (ped_org != BX_XHCI_THIS hub.usb_port[port].portsc.ped)
BX_XHCI_THIS hub.usb_port[port].portsc.pec = 1;
// we changed the value of the port, so show it
BX_INFO(("Port Status Change Event."));
write_event_TRB(0, (port << 24), TRB_SET_COMP_CODE(1), TRB_SET_TYPE(PORT_STATUS_CHANGE), 1);
}
}
// USB runtime parameter handler
const char *bx_usb_xhci_c::usb_param_handler(bx_param_string_c *param, int set,
const char *oldval, const char *val, int maxlen)
{
usbdev_type type = USB_DEV_TYPE_NONE;
int portnum;
if (set) {
portnum = atoi((param->get_parent())->get_name()+4) - 1;
bx_bool empty = ((strlen(val) == 0) || (!strcmp(val, "none")));
if ((portnum >= 0) && (portnum < USB_XHCI_PORTS)) {
if (empty && BX_XHCI_THIS hub.usb_port[portnum].portsc.ccs) {
BX_INFO(("USB port #%d: device disconnect", portnum+1));
if (BX_XHCI_THIS hub.usb_port[portnum].device != NULL) {
type = BX_XHCI_THIS hub.usb_port[portnum].device->get_type();
}
usb_set_connect_status(portnum, type, 0);
} else if (!empty && !BX_XHCI_THIS hub.usb_port[portnum].portsc.ccs) {
BX_XHCI_THIS hub.device_change |= (1 << portnum);
}
} else {
BX_PANIC(("usb_param_handler called with unexpected parameter '%s'", param->get_name()));
}
}
return val;
}
void bx_usb_xhci_c::dump_xhci_core(const int slots, const int eps)
{
bx_phy_address addr = BX_XHCI_THIS pci_base_address[0];
Bit32u dword;
Bit64u qword, slot_addr;
int p, i;
Bit8u buffer[4096];
// dump the caps registers
BX_INFO((" CAPLENGTH: 0x%02X", BX_XHCI_THIS hub.cap_regs.HcCapLength & 0xFF));
BX_INFO(("HC VERSION: %X.%02X", ((BX_XHCI_THIS hub.cap_regs.HcCapLength & 0xFF000000) >> 24),
((BX_XHCI_THIS hub.cap_regs.HcCapLength & 0x00FF0000) >> 16)));
BX_INFO(("HCSPARAMS1: 0x%08X", BX_XHCI_THIS hub.cap_regs.HcSParams1));
BX_INFO(("HCSPARAMS2: 0x%08X", BX_XHCI_THIS hub.cap_regs.HcSParams2));
BX_INFO(("HCSPARAMS3: 0x%08X", BX_XHCI_THIS hub.cap_regs.HcSParams3));
BX_INFO((" HCCPARAMS: 0x%08X", BX_XHCI_THIS hub.cap_regs.HcCParams));
BX_INFO((" DBOFF: 0x%08X", BX_XHCI_THIS hub.cap_regs.DBOFF));
BX_INFO((" RTSOFF: 0x%08X", BX_XHCI_THIS hub.cap_regs.RTSOFF));
// dump the operational registers
BX_XHCI_THIS read_handler(addr + 0x20, 4, &dword, NULL);
BX_INFO((" USB_COMMAND: 0x%08X", dword));
BX_XHCI_THIS read_handler(addr + 0x24, 4, &dword, NULL);
BX_INFO((" USB_STATUS: 0x%08X", dword));
BX_XHCI_THIS read_handler(addr + 0x28, 4, &dword, NULL);
BX_INFO((" PAGE_SIZE: 0x%08X", dword));
BX_XHCI_THIS read_handler(addr + 0x34, 4, &dword, NULL);
BX_INFO((" DNCTRL: 0x%08X", dword));
BX_XHCI_THIS read_handler(addr + 0x38, 8, &qword, NULL);
BX_INFO((" CRCR: 0x" FMT_ADDRX64, qword));
BX_XHCI_THIS read_handler(addr + 0x50, 8, &qword, NULL);
BX_INFO((" DCBAAP: 0x" FMT_ADDRX64, qword));
BX_XHCI_THIS read_handler(addr + 0x58, 4, &dword, NULL);
BX_INFO((" CONFIG: 0x%08X", dword));
for (i=0, p=0; i<USB_XHCI_PORTS; i++, p+=16) {
BX_XHCI_THIS read_handler(addr + 0x420 + (p + 0), 4, &dword, NULL);
BX_INFO((" Port %i: 0x%08X", i, dword));
BX_XHCI_THIS read_handler(addr + 0x420 + (p + 4), 4, &dword, NULL);
BX_INFO((" 0x%08X", dword));
BX_XHCI_THIS read_handler(addr + 0x420 + (p + 8), 4, &dword, NULL);
BX_INFO((" 0x%08X", dword));
BX_XHCI_THIS read_handler(addr + 0x420 + (p + 12), 4, &dword, NULL);
BX_INFO((" 0x%08X", dword));
}
slot_addr = BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap;
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) slot_addr, sizeof(Bit64u), (Bit8u *) &slot_addr);
BX_INFO((" SCRATCH PADS: 0x" FMT_ADDRX64, slot_addr));
for (i=1; i<slots+1; i++) {
slot_addr = (BX_XHCI_THIS hub.op_regs.HcDCBAAP.dcbaap + (i * sizeof(Bit64u)));
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) slot_addr, sizeof(Bit64u), (Bit8u *) &slot_addr);
DEV_MEM_READ_PHYSICAL_BLOCK((bx_phy_address) slot_addr, 2048, buffer);
dump_slot_context((Bit32u *) &buffer[0], i);
for (p=1; p<eps+1; p++)
dump_ep_context((Bit32u *) &buffer[p * CONTEXT_SIZE], i, p);
}
}
#endif // BX_SUPPORT_PCI && BX_SUPPORT_USB_XHCI
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