mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
ba76a84d2d
qemu/hw/sh7750.c
Aurelien Jarno c0f809c46a target-sh4: implement writes to mmaped ITLB 
Some Linux kernels seems to implement ITLB/UTLB flushing through by
writing all TLB entries through the memory mapped interface instead
of writing one to MMUCR.TI.

Implement memory mapped ITLB write interface so that such kernels can
boot. This fixes https://bugs.launchpad.net/bugs/700774 .

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-09 23:59:12 +01:00

817 lines
22 KiB
C
Raw Blame History

/*
* SH7750 device
*
* Copyright (c) 2007 Magnus Damm
* Copyright (c) 2005 Samuel Tardieu
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include "hw.h"
#include "sh.h"
#include "sysemu.h"
#include "sh7750_regs.h"
#include "sh7750_regnames.h"
#include "sh_intc.h"
#include "exec-all.h"
#include "cpu.h"
#define NB_DEVICES 4
typedef struct SH7750State {
/* CPU */
CPUSH4State *cpu;
/* Peripheral frequency in Hz */
uint32_t periph_freq;
/* SDRAM controller */
uint32_t bcr1;
uint16_t bcr2;
uint16_t bcr3;
uint32_t bcr4;
uint16_t rfcr;
/* PCMCIA controller */
uint16_t pcr;
/* IO ports */
uint16_t gpioic;
uint32_t pctra;
uint32_t pctrb;
uint16_t portdira; /* Cached */
uint16_t portpullupa; /* Cached */
uint16_t portdirb; /* Cached */
uint16_t portpullupb; /* Cached */
uint16_t pdtra;
uint16_t pdtrb;
uint16_t periph_pdtra; /* Imposed by the peripherals */
uint16_t periph_portdira; /* Direction seen from the peripherals */
uint16_t periph_pdtrb; /* Imposed by the peripherals */
uint16_t periph_portdirb; /* Direction seen from the peripherals */
sh7750_io_device *devices[NB_DEVICES]; /* External peripherals */
/* Cache */
uint32_t ccr;
struct intc_desc intc;
} SH7750State;
static inline int has_bcr3_and_bcr4(SH7750State * s)
{
return (s->cpu->features & SH_FEATURE_BCR3_AND_BCR4);
}
/**********************************************************************
I/O ports
**********************************************************************/
int sh7750_register_io_device(SH7750State * s, sh7750_io_device * device)
{
int i;
for (i = 0; i < NB_DEVICES; i++) {
if (s->devices[i] == NULL) {
s->devices[i] = device;
return 0;
}
}
return -1;
}
static uint16_t portdir(uint32_t v)
{
#define EVENPORTMASK(n) ((v & (1<<((n)<<1))) >> (n))
return
EVENPORTMASK(15) | EVENPORTMASK(14) | EVENPORTMASK(13) |
EVENPORTMASK(12) | EVENPORTMASK(11) | EVENPORTMASK(10) |
EVENPORTMASK(9) | EVENPORTMASK(8) | EVENPORTMASK(7) |
EVENPORTMASK(6) | EVENPORTMASK(5) | EVENPORTMASK(4) |
EVENPORTMASK(3) | EVENPORTMASK(2) | EVENPORTMASK(1) |
EVENPORTMASK(0);
}
static uint16_t portpullup(uint32_t v)
{
#define ODDPORTMASK(n) ((v & (1<<(((n)<<1)+1))) >> (n))
return
ODDPORTMASK(15) | ODDPORTMASK(14) | ODDPORTMASK(13) |
ODDPORTMASK(12) | ODDPORTMASK(11) | ODDPORTMASK(10) |
ODDPORTMASK(9) | ODDPORTMASK(8) | ODDPORTMASK(7) | ODDPORTMASK(6) |
ODDPORTMASK(5) | ODDPORTMASK(4) | ODDPORTMASK(3) | ODDPORTMASK(2) |
ODDPORTMASK(1) | ODDPORTMASK(0);
}
static uint16_t porta_lines(SH7750State * s)
{
return (s->portdira & s->pdtra) | /* CPU */
(s->periph_portdira & s->periph_pdtra) | /* Peripherals */
(~(s->portdira | s->periph_portdira) & s->portpullupa); /* Pullups */
}
static uint16_t portb_lines(SH7750State * s)
{
return (s->portdirb & s->pdtrb) | /* CPU */
(s->periph_portdirb & s->periph_pdtrb) | /* Peripherals */
(~(s->portdirb | s->periph_portdirb) & s->portpullupb); /* Pullups */
}
static void gen_port_interrupts(SH7750State * s)
{
/* XXXXX interrupts not generated */
}
static void porta_changed(SH7750State * s, uint16_t prev)
{
uint16_t currenta, changes;
int i, r = 0;
#if 0
fprintf(stderr, "porta changed from 0x%04x to 0x%04x\n",
prev, porta_lines(s));
fprintf(stderr, "pdtra=0x%04x, pctra=0x%08x\n", s->pdtra, s->pctra);
#endif
currenta = porta_lines(s);
if (currenta == prev)
return;
changes = currenta ^ prev;
for (i = 0; i < NB_DEVICES; i++) {
if (s->devices[i] && (s->devices[i]->portamask_trigger & changes)) {
r |= s->devices[i]->port_change_cb(currenta, portb_lines(s),
&s->periph_pdtra,
&s->periph_portdira,
&s->periph_pdtrb,
&s->periph_portdirb);
}
}
if (r)
gen_port_interrupts(s);
}
static void portb_changed(SH7750State * s, uint16_t prev)
{
uint16_t currentb, changes;
int i, r = 0;
currentb = portb_lines(s);
if (currentb == prev)
return;
changes = currentb ^ prev;
for (i = 0; i < NB_DEVICES; i++) {
if (s->devices[i] && (s->devices[i]->portbmask_trigger & changes)) {
r |= s->devices[i]->port_change_cb(portb_lines(s), currentb,
&s->periph_pdtra,
&s->periph_portdira,
&s->periph_pdtrb,
&s->periph_portdirb);
}
}
if (r)
gen_port_interrupts(s);
}
/**********************************************************************
Memory
**********************************************************************/
static void error_access(const char *kind, target_phys_addr_t addr)
{
fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n",
kind, regname(addr), addr);
}
static void ignore_access(const char *kind, target_phys_addr_t addr)
{
fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n",
kind, regname(addr), addr);
}
static uint32_t sh7750_mem_readb(void *opaque, target_phys_addr_t addr)
{
switch (addr) {
default:
error_access("byte read", addr);
abort();
}
}
static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr)
{
SH7750State *s = opaque;
switch (addr) {
case SH7750_BCR2_A7:
return s->bcr2;
case SH7750_BCR3_A7:
if(!has_bcr3_and_bcr4(s))
error_access("word read", addr);
return s->bcr3;
case SH7750_FRQCR_A7:
return 0;
case SH7750_PCR_A7:
return s->pcr;
case SH7750_RFCR_A7:
fprintf(stderr,
"Read access to refresh count register, incrementing\n");
return s->rfcr++;
case SH7750_PDTRA_A7:
return porta_lines(s);
case SH7750_PDTRB_A7:
return portb_lines(s);
case SH7750_RTCOR_A7:
case SH7750_RTCNT_A7:
case SH7750_RTCSR_A7:
ignore_access("word read", addr);
return 0;
default:
error_access("word read", addr);
abort();
}
}
static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr)
{
SH7750State *s = opaque;
switch (addr) {
case SH7750_BCR1_A7:
return s->bcr1;
case SH7750_BCR4_A7:
if(!has_bcr3_and_bcr4(s))
error_access("long read", addr);
return s->bcr4;
case SH7750_WCR1_A7:
case SH7750_WCR2_A7:
case SH7750_WCR3_A7:
case SH7750_MCR_A7:
ignore_access("long read", addr);
return 0;
case SH7750_MMUCR_A7:
return s->cpu->mmucr;
case SH7750_PTEH_A7:
return s->cpu->pteh;
case SH7750_PTEL_A7:
return s->cpu->ptel;
case SH7750_TTB_A7:
return s->cpu->ttb;
case SH7750_TEA_A7:
return s->cpu->tea;
case SH7750_TRA_A7:
return s->cpu->tra;
case SH7750_EXPEVT_A7:
return s->cpu->expevt;
case SH7750_INTEVT_A7:
return s->cpu->intevt;
case SH7750_CCR_A7:
return s->ccr;
case 0x1f000030: /* Processor version */
return s->cpu->pvr;
case 0x1f000040: /* Cache version */
return s->cpu->cvr;
case 0x1f000044: /* Processor revision */
return s->cpu->prr;
default:
error_access("long read", addr);
abort();
}
}
#define is_in_sdrmx(a, x) (a >= SH7750_SDMR ## x ## _A7 \
&& a <= (SH7750_SDMR ## x ## _A7 + SH7750_SDMR ## x ## _REGNB))
static void sh7750_mem_writeb(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) {
ignore_access("byte write", addr);
return;
}
error_access("byte write", addr);
abort();
}
static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
SH7750State *s = opaque;
uint16_t temp;
switch (addr) {
/* SDRAM controller */
case SH7750_BCR2_A7:
s->bcr2 = mem_value;
return;
case SH7750_BCR3_A7:
if(!has_bcr3_and_bcr4(s))
error_access("word write", addr);
s->bcr3 = mem_value;
return;
case SH7750_PCR_A7:
s->pcr = mem_value;
return;
case SH7750_RTCNT_A7:
case SH7750_RTCOR_A7:
case SH7750_RTCSR_A7:
ignore_access("word write", addr);
return;
/* IO ports */
case SH7750_PDTRA_A7:
temp = porta_lines(s);
s->pdtra = mem_value;
porta_changed(s, temp);
return;
case SH7750_PDTRB_A7:
temp = portb_lines(s);
s->pdtrb = mem_value;
portb_changed(s, temp);
return;
case SH7750_RFCR_A7:
fprintf(stderr, "Write access to refresh count register\n");
s->rfcr = mem_value;
return;
case SH7750_GPIOIC_A7:
s->gpioic = mem_value;
if (mem_value != 0) {
fprintf(stderr, "I/O interrupts not implemented\n");
abort();
}
return;
default:
error_access("word write", addr);
abort();
}
}
static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
SH7750State *s = opaque;
uint16_t temp;
switch (addr) {
/* SDRAM controller */
case SH7750_BCR1_A7:
s->bcr1 = mem_value;
return;
case SH7750_BCR4_A7:
if(!has_bcr3_and_bcr4(s))
error_access("long write", addr);
s->bcr4 = mem_value;
return;
case SH7750_WCR1_A7:
case SH7750_WCR2_A7:
case SH7750_WCR3_A7:
case SH7750_MCR_A7:
ignore_access("long write", addr);
return;
/* IO ports */
case SH7750_PCTRA_A7:
temp = porta_lines(s);
s->pctra = mem_value;
s->portdira = portdir(mem_value);
s->portpullupa = portpullup(mem_value);
porta_changed(s, temp);
return;
case SH7750_PCTRB_A7:
temp = portb_lines(s);
s->pctrb = mem_value;
s->portdirb = portdir(mem_value);
s->portpullupb = portpullup(mem_value);
portb_changed(s, temp);
return;
case SH7750_MMUCR_A7:
if (mem_value & MMUCR_TI) {
cpu_sh4_invalidate_tlb(s->cpu);
}
s->cpu->mmucr = mem_value & ~MMUCR_TI;
return;
case SH7750_PTEH_A7:
/* If asid changes, clear all registered tlb entries. */
if ((s->cpu->pteh & 0xff) != (mem_value & 0xff))
tlb_flush(s->cpu, 1);
s->cpu->pteh = mem_value;
return;
case SH7750_PTEL_A7:
s->cpu->ptel = mem_value;
return;
case SH7750_PTEA_A7:
s->cpu->ptea = mem_value & 0x0000000f;
return;
case SH7750_TTB_A7:
s->cpu->ttb = mem_value;
return;
case SH7750_TEA_A7:
s->cpu->tea = mem_value;
return;
case SH7750_TRA_A7:
s->cpu->tra = mem_value & 0x000007ff;
return;
case SH7750_EXPEVT_A7:
s->cpu->expevt = mem_value & 0x000007ff;
return;
case SH7750_INTEVT_A7:
s->cpu->intevt = mem_value & 0x000007ff;
return;
case SH7750_CCR_A7:
s->ccr = mem_value;
return;
default:
error_access("long write", addr);
abort();
}
}
static CPUReadMemoryFunc * const sh7750_mem_read[] = {
sh7750_mem_readb,
sh7750_mem_readw,
sh7750_mem_readl
};
static CPUWriteMemoryFunc * const sh7750_mem_write[] = {
sh7750_mem_writeb,
sh7750_mem_writew,
sh7750_mem_writel
};
/* sh775x interrupt controller tables for sh_intc.c
* stolen from linux/arch/sh/kernel/cpu/sh4/setup-sh7750.c
*/
enum {
UNUSED = 0,
/* interrupt sources */
IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, IRL_7,
IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E,
IRL0, IRL1, IRL2, IRL3,
HUDI, GPIOI,
DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3,
DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7,
DMAC_DMAE,
PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3,
TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
RTC_ATI, RTC_PRI, RTC_CUI,
SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI,
SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI,
WDT,
REF_RCMI, REF_ROVI,
/* interrupt groups */
DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF,
/* irl bundle */
IRL,
NR_SOURCES,
};
static struct intc_vect vectors[] = {
INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
INTC_VECT(RTC_CUI, 0x4c0),
INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500),
INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540),
INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720),
INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760),
INTC_VECT(WDT, 0x560),
INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0),
};
static struct intc_group groups[] = {
INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI),
INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI),
INTC_GROUP(REF, REF_RCMI, REF_ROVI),
};
static struct intc_prio_reg prio_registers[] = {
{ 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
{ 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } },
{ 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } },
{ 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
{ 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0,
TMU4, TMU3,
PCIC1, PCIC0_PCISERR } },
};
/* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */
static struct intc_vect vectors_dma4[] = {
INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
INTC_VECT(DMAC_DMAE, 0x6c0),
};
static struct intc_group groups_dma4[] = {
INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
DMAC_DMTE3, DMAC_DMAE),
};
/* SH7750R and SH7751R both have 8-channel DMA controllers */
static struct intc_vect vectors_dma8[] = {
INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0),
INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0),
INTC_VECT(DMAC_DMAE, 0x6c0),
};
static struct intc_group groups_dma8[] = {
INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5,
DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE),
};
/* SH7750R, SH7751 and SH7751R all have two extra timer channels */
static struct intc_vect vectors_tmu34[] = {
INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80),
};
static struct intc_mask_reg mask_registers[] = {
{ 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, TMU4, TMU3,
PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2,
PCIC1_PCIDMA3, PCIC0_PCISERR } },
};
/* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */
static struct intc_vect vectors_irlm[] = {
INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
};
/* SH7751 and SH7751R both have PCI */
static struct intc_vect vectors_pci[] = {
INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0),
INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0),
INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60),
INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20),
};
static struct intc_group groups_pci[] = {
INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3),
};
static struct intc_vect vectors_irl[] = {
INTC_VECT(IRL_0, 0x200),
INTC_VECT(IRL_1, 0x220),
INTC_VECT(IRL_2, 0x240),
INTC_VECT(IRL_3, 0x260),
INTC_VECT(IRL_4, 0x280),
INTC_VECT(IRL_5, 0x2a0),
INTC_VECT(IRL_6, 0x2c0),
INTC_VECT(IRL_7, 0x2e0),
INTC_VECT(IRL_8, 0x300),
INTC_VECT(IRL_9, 0x320),
INTC_VECT(IRL_A, 0x340),
INTC_VECT(IRL_B, 0x360),
INTC_VECT(IRL_C, 0x380),
INTC_VECT(IRL_D, 0x3a0),
INTC_VECT(IRL_E, 0x3c0),
};
static struct intc_group groups_irl[] = {
INTC_GROUP(IRL, IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6,
IRL_7, IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E),
};
/**********************************************************************
Memory mapped cache and TLB
**********************************************************************/
#define MM_REGION_MASK 0x07000000
#define MM_ICACHE_ADDR (0)
#define MM_ICACHE_DATA (1)
#define MM_ITLB_ADDR (2)
#define MM_ITLB_DATA (3)
#define MM_OCACHE_ADDR (4)
#define MM_OCACHE_DATA (5)
#define MM_UTLB_ADDR (6)
#define MM_UTLB_DATA (7)
#define MM_REGION_TYPE(addr) ((addr & MM_REGION_MASK) >> 24)
static uint32_t invalid_read(void *opaque, target_phys_addr_t addr)
{
abort();
return 0;
}
static uint32_t sh7750_mmct_readl(void *opaque, target_phys_addr_t addr)
{
uint32_t ret = 0;
switch (MM_REGION_TYPE(addr)) {
case MM_ICACHE_ADDR:
case MM_ICACHE_DATA:
/* do nothing */
break;
case MM_ITLB_ADDR:
case MM_ITLB_DATA:
/* XXXXX */
abort();
break;
case MM_OCACHE_ADDR:
case MM_OCACHE_DATA:
/* do nothing */
break;
case MM_UTLB_ADDR:
case MM_UTLB_DATA:
/* XXXXX */
abort();
break;
default:
abort();
}
return ret;
}
static void invalid_write(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
abort();
}
static void sh7750_mmct_writel(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
SH7750State *s = opaque;
switch (MM_REGION_TYPE(addr)) {
case MM_ICACHE_ADDR:
case MM_ICACHE_DATA:
/* do nothing */
break;
case MM_ITLB_ADDR:
cpu_sh4_write_mmaped_itlb_addr(s->cpu, addr, mem_value);
break;
case MM_ITLB_DATA:
/* XXXXX */
abort();
break;
case MM_OCACHE_ADDR:
case MM_OCACHE_DATA:
/* do nothing */
break;
case MM_UTLB_ADDR:
cpu_sh4_write_mmaped_utlb_addr(s->cpu, addr, mem_value);
break;
case MM_UTLB_DATA:
/* XXXXX */
abort();
break;
default:
abort();
break;
}
}
static CPUReadMemoryFunc * const sh7750_mmct_read[] = {
invalid_read,
invalid_read,
sh7750_mmct_readl
};
static CPUWriteMemoryFunc * const sh7750_mmct_write[] = {
invalid_write,
invalid_write,
sh7750_mmct_writel
};
SH7750State *sh7750_init(CPUSH4State * cpu)
{
SH7750State *s;
int sh7750_io_memory;
int sh7750_mm_cache_and_tlb; /* memory mapped cache and tlb */
s = qemu_mallocz(sizeof(SH7750State));
s->cpu = cpu;
s->periph_freq = 60000000; /* 60MHz */
sh7750_io_memory = cpu_register_io_memory(sh7750_mem_read,
sh7750_mem_write, s,
DEVICE_NATIVE_ENDIAN);
cpu_register_physical_memory_offset(0x1f000000, 0x1000,
sh7750_io_memory, 0x1f000000);
cpu_register_physical_memory_offset(0xff000000, 0x1000,
sh7750_io_memory, 0x1f000000);
cpu_register_physical_memory_offset(0x1f800000, 0x1000,
sh7750_io_memory, 0x1f800000);
cpu_register_physical_memory_offset(0xff800000, 0x1000,
sh7750_io_memory, 0x1f800000);
cpu_register_physical_memory_offset(0x1fc00000, 0x1000,
sh7750_io_memory, 0x1fc00000);
cpu_register_physical_memory_offset(0xffc00000, 0x1000,
sh7750_io_memory, 0x1fc00000);
sh7750_mm_cache_and_tlb = cpu_register_io_memory(sh7750_mmct_read,
sh7750_mmct_write, s,
DEVICE_NATIVE_ENDIAN);
cpu_register_physical_memory(0xf0000000, 0x08000000,
sh7750_mm_cache_and_tlb);
sh_intc_init(&s->intc, NR_SOURCES,
_INTC_ARRAY(mask_registers),
_INTC_ARRAY(prio_registers));
sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors),
_INTC_ARRAY(groups));
cpu->intc_handle = &s->intc;
sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0],
s->intc.irqs[SCI1_ERI],
s->intc.irqs[SCI1_RXI],
s->intc.irqs[SCI1_TXI],
s->intc.irqs[SCI1_TEI],
NULL);
sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
s->periph_freq, serial_hds[1],
s->intc.irqs[SCIF_ERI],
s->intc.irqs[SCIF_RXI],
s->intc.irqs[SCIF_TXI],
NULL,
s->intc.irqs[SCIF_BRI]);
tmu012_init(0x1fd80000,
TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
s->periph_freq,
s->intc.irqs[TMU0],
s->intc.irqs[TMU1],
s->intc.irqs[TMU2_TUNI],
s->intc.irqs[TMU2_TICPI]);
if (cpu->id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_dma4),
_INTC_ARRAY(groups_dma4));
}
if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_dma8),
_INTC_ARRAY(groups_dma8));
}
if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_tmu34),
NULL, 0);
tmu012_init(0x1e100000, 0, s->periph_freq,
s->intc.irqs[TMU3],
s->intc.irqs[TMU4],
NULL, NULL);
}
if (cpu->id & (SH_CPU_SH7751_ALL)) {
sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_pci),
_INTC_ARRAY(groups_pci));
}
if (cpu->id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_irlm),
NULL, 0);
}
sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_irl),
_INTC_ARRAY(groups_irl));
return s;
}
qemu_irq sh7750_irl(SH7750State *s)
{
sh_intc_toggle_source(sh_intc_source(&s->intc, IRL), 1, 0); /* enable */
return qemu_allocate_irqs(sh_intc_set_irl, sh_intc_source(&s->intc, IRL),
1)[0];
}
Reference in New Issue View Git Blame Copy Permalink