Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add kdl commands (inb,ins,inw) to dump pci io ports (untested).

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21807 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2007-08-03 01:28:21 +00:00
parent e9012605b8
commit efd2184922
1 changed files with 88 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
src/add-ons/kernel/bus_managers/pci/pci.cpp
View File

@ -7,6 +7,7 @@
*/
#include <string.h>
#include <KernelExport.h>
#define __HAIKU_PCI_BUS_MANAGER_TESTING 1
#include <PCI.h>
@ -122,6 +123,80 @@ pci_find_capability(uchar bus, uchar device, uchar function, uchar cap_id, uchar
}
// #pragma mark kernel debugger commands
static int
display_io(int argc, char **argv)
{
int32 displayWidth;
int32 itemSize;
int32 num = -1;
int address;
int i = 1, j;
switch (argc) {
case 3:
num = atoi(argv[2]);
case 2:
address = strtoul(argv[1], NULL, 0);
default:
kprintf("usage: %s <address> [num]\n", argv[0]);
return 0;
}
// build the format string
if (strcmp(argv[0], "inb") == 0 || strcmp(argv[0], "in8") == 0) {
itemSize = 1;
displayWidth = 16;
} else if (strcmp(argv[0], "ins") == 0 || strcmp(argv[0], "in16") == 0) {
itemSize = 2;
displayWidth = 8;
} else if (strcmp(argv[0], "inw") == 0 || strcmp(argv[0], "in32") == 0) {
itemSize = 4;
displayWidth = 4;
} else {
kprintf("display_io called in an invalid way!\n");
return 0;
}
if (num <= 0)
num = displayWidth;
for (i = 0; i < num; i++) {
if ((i % displayWidth) == 0) {
int32 displayed = min_c(displayWidth, (num-i)) * itemSize;
if (i != 0)
kprintf("\n");
kprintf("[0x%lx] ", address + i * itemSize);
if (num > displayWidth) {
// make sure the spacing in the last line is correct
for (j = displayed; j < displayWidth * itemSize; j++)
kprintf(" ");
}
kprintf(" ");
}
switch (itemSize) {
case 1:
kprintf(" %02x", pci_read_io_8(address + i * itemSize));
break;
case 2:
kprintf(" %04x", pci_read_io_16(address + i * itemSize));
break;
case 4:
kprintf(" %08lx", pci_read_io_32(address + i * itemSize));
break;
}
}
kprintf("\n");
return 0;
}
// #pragma mark bus manager init/uninit
status_t
@ -134,6 +209,13 @@ pci_init(void)
return B_ERROR;
}
add_debugger_command("inw", &display_io, "dump io words (32-bit)");
add_debugger_command("in32", &display_io, "dump io words (32-bit)");
add_debugger_command("ins", &display_io, "dump io shorts (16-bit)");
add_debugger_command("in16", &display_io, "dump io shorts (16-bit)");
add_debugger_command("inb", &display_io, "dump io bytes (8-bit)");
add_debugger_command("in8", &display_io, "dump io bytes (8-bit)");
if (pci_controller_init() != B_OK) {
TRACE(("PCI: pci_controller_init failed\n"));
return B_ERROR;
@ -149,6 +231,12 @@ pci_init(void)
void
pci_uninit(void)
{
remove_debugger_command("inw", &display_io);
remove_debugger_command("in32", &display_io);
remove_debugger_command("ins", &display_io);
remove_debugger_command("in16", &display_io);
remove_debugger_command("inb", &display_io);
remove_debugger_command("in8", &display_io);
delete sPCI;
}