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target/mips: Fix gdbstub to read/write 64 bit FP registers

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Fix gdbstub to read/write 64 bit FP registers

Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Reviewed-by: Aleksandar Markovic <aleksandar.markovic@mips.com>
Signed-off-by: Aleksandar Markovic <aleksandar.markovic@mips.com>
This commit is contained in:
Yongbok Kim 2018-06-20 13:06:18 +01:00 committed by Aleksandar Markovic
parent 72e1f16f18
commit 8e0b373f8a
1 changed files with 2 additions and 1 deletions
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3
target/mips/gdbstub.c
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@ -39,7 +39,7 @@ int mips_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
return gdb_get_regl(mem_buf, (int32_t)env->active_fpu.fcr0); return gdb_get_regl(mem_buf, (int32_t)env->active_fpu.fcr0);
default: default:
if (env->CP0_Status & (1 << CP0St_FR)) { if (env->CP0_Status & (1 << CP0St_FR)) {
return gdb_get_regl(mem_buf, return gdb_get_reg64(mem_buf,
env->active_fpu.fpr[n - 38].d); env->active_fpu.fpr[n - 38].d);
} else { } else {
return gdb_get_regl(mem_buf, return gdb_get_regl(mem_buf,
@ -100,6 +100,7 @@ int mips_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
break; break;
default: default:
if (env->CP0_Status & (1 << CP0St_FR)) { if (env->CP0_Status & (1 << CP0St_FR)) {
uint64_t tmp = ldq_p(mem_buf);
env->active_fpu.fpr[n - 38].d = tmp; env->active_fpu.fpr[n - 38].d = tmp;
} else { } else {
env->active_fpu.fpr[n - 38].w[FP_ENDIAN_IDX] = tmp; env->active_fpu.fpr[n - 38].w[FP_ENDIAN_IDX] = tmp;