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ppc support (Jocelyn Mayer)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@546 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-01-05 22:49:06 +00:00
parent 8977f3c107
commit 9e62fd7f26
1 changed files with 63 additions and 0 deletions
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63
gdbstub.c
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@ -359,6 +359,69 @@ static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
#endif
}
#elif defined (TARGET_PPC)
static void to_le32(uint8_t *p, int v)
{
p[3] = v;
p[2] = v >> 8;
p[1] = v >> 16;
p[0] = v >> 24;
}
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
{
uint32_t tmp;
int i;
/* fill in gprs */
for(i = 0; i < 8; i++) {
to_le32(mem_buf + i * 4, env->gpr[i]);
}
/* fill in fprs */
for (i = 0; i < 32; i++) {
to_le32(mem_buf + (i * 2) + 32, *((uint32_t *)&env->fpr[i]));
to_le32(mem_buf + (i * 2) + 33, *((uint32_t *)&env->fpr[i] + 1));
}
/* nip, msr, ccr, lnk, ctr, xer, mq */
to_le32(mem_buf + 96, tswapl(env->nip));
to_le32(mem_buf + 97, tswapl(_load_msr()));
to_le32(mem_buf + 98, 0);
tmp = 0;
for (i = 0; i < 8; i++)
tmp |= env->crf[i] << (32 - (i * 4));
to_le32(mem_buf + 98, tmp);
to_le32(mem_buf + 99, tswapl(env->lr));
to_le32(mem_buf + 100, tswapl(env->ctr));
to_le32(mem_buf + 101, tswapl(_load_xer()));
to_le32(mem_buf + 102, 0);
return 102;
}
static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
{
uint32_t *registers = (uint32_t *)mem_buf;
int i;
/* fill in gprs */
for (i = 0; i < 32; i++) {
env->gpr[i] = tswapl(registers[i]);
}
/* fill in fprs */
for (i = 0; i < 32; i++) {
*((uint32_t *)&env->fpr[i]) = tswapl(registers[(i * 2) + 32]);
*((uint32_t *)&env->fpr[i] + 1) = tswapl(registers[(i * 2) + 33]);
}
/* nip, msr, ccr, lnk, ctr, xer, mq */
env->nip = tswapl(registers[96]);
_store_msr(tswapl(registers[97]));
registers[98] = tswapl(registers[98]);
for (i = 0; i < 8; i++)
env->crf[i] = (registers[98] >> (32 - (i * 4))) & 0xF;
env->lr = tswapl(registers[99]);
env->ctr = tswapl(registers[100]);
_store_xer(tswapl(registers[101]));
}
#else
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)