/SPARTAN/trunk/arch/ia32/Makefile.inc |
---|
13,7 → 13,7 |
endif |
CPPFLAGS=$(DEFS) -nostdinc -I../include |
CFLAGS=$(CPPFLAGS) -nostdlib -fno-builtin -fomit-frame-pointer -Wmissing-prototypes -Werror -O3 |
CFLAGS=$(CPPFLAGS) -nostdlib -fno-builtin -fomit-frame-pointer -Wmissing-prototypes -Werror -O0 |
LFLAGS=-M -no-check-sections -T ../arch/ia32/_link.ld |
arch_sources= \ |
/SPARTAN/trunk/arch/ia32/src/fpu_context.c |
---|
51,28 → 51,30 |
void fpu_lazy_context_save(fpu_context_t *fctx) |
{ |
printf(""); |
asm( |
"mov %0,%%eax;" |
"fxsave (%%eax);" |
asm |
( |
"push %%eax;" |
"mov 0x8(%%esp),%%eax;" |
"fnsave (%%eax);" |
"pop %%eax;" |
:"=m"(fctx) |
: |
:"eax" |
); |
printf(""); |
} |
void fpu_lazy_context_restore(fpu_context_t *fctx) |
{ |
printf(""); |
asm( |
"mov %0,%%eax;" |
"fxrstor (%%eax);" |
asm |
( |
"push %%eax;" |
"mov 0x8(%%esp),%%eax;" |
"frstor (%%eax);" |
"pop %%eax;" |
:"=m"(fctx) |
: |
:"eax" |
); |
printf(""); |
} |
void fpu_init(void) |
/SPARTAN/trunk/arch/ia32/src/cpu/cpu.c |
---|
131,6 → 131,7 |
CPU->arch.model = (info.cpuid_eax>>4)&0xf; |
CPU->arch.stepping = (info.cpuid_eax>>0)&0xf; |
} |
set_TS_flag(); |
} |
void cpu_print_report(cpu_t* m) |
/SPARTAN/trunk/arch/ia32/src/interrupt.c |
---|
101,7 → 101,8 |
reset_TS_flag(); |
if ((CPU->fpu_owner)!=NULL) |
{ |
// printf("owner %X\n",(int)(&((CPU->fpu_owner)->saved_fpu_context))); |
// printf("tid:%d \n", THREAD->tid); |
// printf("owner:%d\n", (CPU->fpu_owner)->tid); |
fpu_lazy_context_save(&((CPU->fpu_owner)->saved_fpu_context)); |
// printf("owner 2\n"); |