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Add GDB XML register description support.

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Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5459 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2008-10-11 17:55:29 +00:00
parent 1792f2867c
commit 56aebc8916
13 changed files with 1247 additions and 613 deletions
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33
target-m68k/helper.c
View file

@ -26,6 +26,7 @@
#include "cpu.h"
#include "exec-all.h"
#include "qemu-common.h"
#include "gdbstub.h"
#include "helpers.h"
@ -53,6 +54,33 @@ static m68k_def_t m68k_cpu_defs[] = {
{NULL, 0},
};
static int fpu_gdb_get_reg(CPUState *env, uint8_t *mem_buf, int n)
{
if (n < 8) {
stfq_p(mem_buf, env->fregs[n]);
return 8;
}
if (n < 11) {
/* FP control registers (not implemented) */
memset(mem_buf, 0, 4);
return 4;
}
return 0;
}
static int fpu_gdb_set_reg(CPUState *env, uint8_t *mem_buf, int n)
{
if (n < 8) {
env->fregs[n] = ldfq_p(mem_buf);
return 8;
}
if (n < 11) {
/* FP control registers (not implemented) */
return 4;
}
return 0;
}
static void m68k_set_feature(CPUM68KState *env, int feature)
{
env->features |= (1u << feature);
@ -105,6 +133,11 @@ static int cpu_m68k_set_model(CPUM68KState *env, const char *name)
}
register_m68k_insns(env);
if (m68k_feature (env, M68K_FEATURE_CF_FPU)) {
gdb_register_coprocessor(env, fpu_gdb_get_reg, fpu_gdb_set_reg,
11, "cf-fp.xml", 18);
}
/* TODO: Add [E]MAC registers. */
return 0;
}