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target-ppc: Move cpu_gdb_{read,write}_register()

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Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-07-07 12:26:33 +02:00
parent f20f9df06e
commit 0980bfabbc
2 changed files with 123 additions and 100 deletions
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101
gdbstub.c
View file

@ -524,112 +524,13 @@ static int put_packet(GDBState *s, const char *buf)
#elif defined (TARGET_PPC)
/* Old gdb always expects FP registers. Newer (xml-aware) gdb only
expects whatever the target description contains. Due to a
historical mishap the FP registers appear in between core integer
regs and PC, MSR, CR, and so forth. We hack round this by giving the
FP regs zero size when talking to a newer gdb. */
#if defined (TARGET_PPC64)
#define GDB_CORE_XML "power64-core.xml"
#else
#define GDB_CORE_XML "power-core.xml"
#endif
static int cpu_gdb_read_register(CPUPPCState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
/* gprs */
GET_REGL(env->gpr[n]);
} else if (n < 64) {
/* fprs */
if (gdb_has_xml) {
return 0;
}
stfq_p(mem_buf, env->fpr[n-32]);
return 8;
} else {
switch (n) {
case 64:
GET_REGL(env->nip);
case 65:
GET_REGL(env->msr);
case 66:
{
uint32_t cr = 0;
int i;
for (i = 0; i < 8; i++) {
cr |= env->crf[i] << (32 - ((i + 1) * 4));
}
GET_REG32(cr);
}
case 67:
GET_REGL(env->lr);
case 68:
GET_REGL(env->ctr);
case 69:
GET_REGL(env->xer);
case 70:
{
if (gdb_has_xml) {
return 0;
}
GET_REG32(env->fpscr);
}
}
}
return 0;
}
static int cpu_gdb_write_register(CPUPPCState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
/* gprs */
env->gpr[n] = ldtul_p(mem_buf);
return sizeof(target_ulong);
} else if (n < 64) {
/* fprs */
if (gdb_has_xml) {
return 0;
}
env->fpr[n-32] = ldfq_p(mem_buf);
return 8;
} else {
switch (n) {
case 64:
env->nip = ldtul_p(mem_buf);
return sizeof(target_ulong);
case 65:
ppc_store_msr(env, ldtul_p(mem_buf));
return sizeof(target_ulong);
case 66:
{
uint32_t cr = ldl_p(mem_buf);
int i;
for (i = 0; i < 8; i++) {
env->crf[i] = (cr >> (32 - ((i + 1) * 4))) & 0xF;
}
return 4;
}
case 67:
env->lr = ldtul_p(mem_buf);
return sizeof(target_ulong);
case 68:
env->ctr = ldtul_p(mem_buf);
return sizeof(target_ulong);
case 69:
env->xer = ldtul_p(mem_buf);
return sizeof(target_ulong);
case 70:
/* fpscr */
if (gdb_has_xml) {
return 0;
}
store_fpscr(env, ldtul_p(mem_buf), 0xffffffff);
return sizeof(target_ulong);
}
}
return 0;
}
#include "target-ppc/gdbstub.c"
#elif defined (TARGET_SPARC)