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Fix read/write registers.

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Fix read/write register support for r0 - rF.
Reshuffle to have reads/writes together in code.
This commit is contained in:
Matthew Parlane 2013-01-12 00:53:17 +13:00
parent 465df943a5
commit 764e155a76
2 changed files with 48 additions and 53 deletions
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4
Source/Core/Core/Src/HW/MemmapFunctions.cpp
View File

@ -25,6 +25,10 @@
#include "../PowerPC/PowerPC.h"
#include "VideoBackendBase.h"
#ifdef USE_GDBSTUB
#include "../PowerPC/GDBStub.h"
#endif
namespace Memory
{

95
Source/Core/Core/Src/PowerPC/GDBStub.cpp
View File

@ -399,14 +399,41 @@ static void wbe64hex(u8 *p, u64 v)
p[i] = nibble2hex(v >> (60 - 4*i));
}
static u32 re32hex(u8 *p)
{
u32 i;
u32 res = 0;
for (i = 0; i < 8; i++)
res = (res << 4) | hex2char(p[i]);
return res;
}
static u64 re64hex(u8 *p)
{
u32 i;
u64 res = 0;
for (i = 0; i < 16; i++)
res = (res << 4) | hex2char(p[i]);
return res;
}
static void gdb_read_register()
{
static u8 reply[64];
u32 id;
memset(reply, 0, sizeof reply);
id = hex2char(cmd_bfr[1]) << 4;
id = hex2char(cmd_bfr[1]);
if (cmd_bfr[2] != '\0')
{
id <<= 4;
id |= hex2char(cmd_bfr[2]);
}
switch (id) {
case 0 ... 31:
@ -458,13 +485,13 @@ static void gdb_read_registers()
for (i = 0; i < 32; i++) {
wbe32hex(bufptr + i*8, GPR(i));
}
bufptr += 32 * 4;
bufptr += 32 * 8;
/*
for (i = 0; i < 32; i++) {
wbe64hex(bufptr + i*16, riPS0(i));
wbe32hex(bufptr + i*8, riPS0(i));
}
bufptr += 64 * 4;
bufptr += 32 * 8;
wbe32hex(bufptr, PC); bufptr += 4;
wbe32hex(bufptr, MSR); bufptr += 4;
wbe32hex(bufptr, GetCR()); bufptr += 4;
@ -475,60 +502,21 @@ static void gdb_read_registers()
wbe32hex(bufptr, PowerPC::ppcState.spr[SPR_XER]); bufptr += 4;
// MQ register not used.
wbe32hex(bufptr, 0x0BADC0DE); bufptr += 4;
*/
gdb_reply((char *)bfr);
}
static u32 re32hex(u8 *p)
{
u32 i;
u32 res = 0;
for (i = 0; i < 8; i++)
res = (res << 4) | hex2char(p[i]);
return res;
}
static u64 re64hex(u8 *p)
{
u32 i;
u64 res = 0;
for (i = 0; i < 16; i++)
res = (res << 4) | hex2char(p[i]);
return res;
}
static void gdb_write_registers()
{
u32 i;
u8 * bufptr = cmd_bfr;
for (i = 0; i < 32; i++) {
GPR(i) = re32hex(bufptr + i*4);
GPR(i) = re32hex(bufptr + i*8);
}
bufptr += 32 * 4;
for (i = 0; i < 32; i++) {
riPS0(i) = re64hex(bufptr + i*4);
}
bufptr += 64 * 4;
PC = re32hex(bufptr); bufptr += 4;
MSR = re32hex(bufptr); bufptr += 4;
SetCR(re32hex(bufptr)); bufptr += 4;
LR = re32hex(bufptr); bufptr += 4;
CTR = re32hex(bufptr); bufptr += 4;
PowerPC::ppcState.spr[SPR_XER] = re32hex(bufptr); bufptr += 4;
// MQ register not used.
(void)re32hex(bufptr); bufptr += 4;
bufptr += 32 * 8;
gdb_reply("OK");
}
@ -537,12 +525,15 @@ static void gdb_write_register()
{
u32 id;
id = hex2char(cmd_bfr[1]) << 4;
u8 * bufptr = cmd_bfr + 3;
id = hex2char(cmd_bfr[1]);
if (cmd_bfr[2] != '=')
{
++bufptr;
id <<= 4;
id |= hex2char(cmd_bfr[2]);
u8 * bufptr = cmd_bfr + 4;
}
switch (id) {
case 0 ... 31: