haraldwolff/qemu-patch-raspberry4
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Fix gdb stub for MIPS64.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3435 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-10-25 21:30:37 +00:00
parent d8871c5a49
commit 7ac256b872
1 changed files with 28 additions and 11 deletions
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39
gdbstub.c
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@ -563,7 +563,7 @@ static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
ptr += sizeof(target_ulong);
}
*(target_ulong *)ptr = tswapl(env->CP0_Status);
*(target_ulong *)ptr = (int32_t)tswap32(env->CP0_Status);
ptr += sizeof(target_ulong);
*(target_ulong *)ptr = tswapl(env->LO[0][env->current_tc]);
@ -575,7 +575,7 @@ static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
*(target_ulong *)ptr = tswapl(env->CP0_BadVAddr);
ptr += sizeof(target_ulong);
*(target_ulong *)ptr = tswapl(env->CP0_Cause);
*(target_ulong *)ptr = (int32_t)tswap32(env->CP0_Cause);
ptr += sizeof(target_ulong);
*(target_ulong *)ptr = tswapl(env->PC[env->current_tc]);
@ -585,19 +585,34 @@ static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
{
for (i = 0; i < 32; i++)
{
*(target_ulong *)ptr = tswapl(env->fpu->fpr[i].fs[FP_ENDIAN_IDX]);
if (env->CP0_Status & (1 << CP0St_FR))
*(target_ulong *)ptr = tswapl(env->fpu->fpr[i].d);
else
*(target_ulong *)ptr = tswap32(env->fpu->fpr[i].w[FP_ENDIAN_IDX]);
ptr += sizeof(target_ulong);
}
*(target_ulong *)ptr = tswapl(env->fpu->fcr31);
*(target_ulong *)ptr = (int32_t)tswap32(env->fpu->fcr31);
ptr += sizeof(target_ulong);
*(target_ulong *)ptr = tswapl(env->fpu->fcr0);
*(target_ulong *)ptr = (int32_t)tswap32(env->fpu->fcr0);
ptr += sizeof(target_ulong);
}
/* 32 FP registers, fsr, fir, fp. Not yet implemented. */
/* what's 'fp' mean here? */
/* "fp", pseudo frame pointer. Not yet implemented in gdb. */
*(target_ulong *)ptr = 0;
ptr += sizeof(target_ulong);
/* Registers for embedded use, we just pad them. */
for (i = 0; i < 16; i++)
{
*(target_ulong *)ptr = 0;
ptr += sizeof(target_ulong);
}
/* Processor ID. */
*(target_ulong *)ptr = (int32_t)tswap32(env->CP0_PRid);
ptr += sizeof(target_ulong);
return ptr - mem_buf;
}
@ -647,15 +662,17 @@ static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
{
for (i = 0; i < 32; i++)
{
env->fpu->fpr[i].fs[FP_ENDIAN_IDX] = tswapl(*(target_ulong *)ptr);
if (env->CP0_Status & (1 << CP0St_FR))
env->fpu->fpr[i].d = tswapl(*(target_ulong *)ptr);
else
env->fpu->fpr[i].w[FP_ENDIAN_IDX] = tswapl(*(target_ulong *)ptr);
ptr += sizeof(target_ulong);
}
env->fpu->fcr31 = tswapl(*(target_ulong *)ptr) & 0x0183FFFF;
env->fpu->fcr31 = tswapl(*(target_ulong *)ptr) & 0xFF83FFFF;
ptr += sizeof(target_ulong);
env->fpu->fcr0 = tswapl(*(target_ulong *)ptr);
ptr += sizeof(target_ulong);
/* The remaining registers are assumed to be read-only. */
/* set rounding mode */
RESTORE_ROUNDING_MODE;