valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

Fix for visual c startup assembly code

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1516
This commit is contained in:
Sjoerd van der Berg 2004-01-01 12:39:53 +00:00
parent f4059666c3
commit bd8196414c
1 changed files with 28 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

52
src/cpu/core_dyn_x86/risc_x86.h
View file

@ -74,31 +74,13 @@ public:
static Bit32u kut=10;
static BlockReturn gen_runcode(Bit8u * code) {
BlockReturn retval;
#define NEW_MASK $FMASK_TEST
__asm__ volatile (
"pushfl \n"
"movl %1,%%ebx \n"
"andl %2,%%ebx \n"
"popl %%ecx \n"
"andl %3,%%ecx \n"
"orl %%ebx,%%ecx \n"
"pushl %%ecx \n"
"popfl \n"
"call %4 \n"
"pushfl \n"
"movl %1,%%ebx \n"
"andl %3,%%ebx \n"
"popl %%ecx \n"
"andl %2,%%ecx \n"
"orl %%ecx,%%ebx \n"
"movl %%ebx,%1 \n"
:"=a" (retval)
:"m" (reg_flags), "n" (FMASK_TEST),"n" (~FMASK_TEST),"m" (code)
:"%ecx","%edx","%ebx","%ebp","%edi","%esi","cc","memory"
);
#if 0
#if defined (_MSC_VER)
__asm {
/* Prepare the flags */
push ebx
push ebp
push esi
push edi
pushfd
mov ebx,[reg_flags]
and ebx,FMASK_TEST
@ -122,6 +104,28 @@ static BlockReturn gen_runcode(Bit8u * code) {
pop ebx
mov [retval],eax
}
#else
__asm__ volatile (
"pushfl \n"
"movl %1,%%ebx \n"
"andl %2,%%ebx \n"
"popl %%ecx \n"
"andl %3,%%ecx \n"
"orl %%ebx,%%ecx \n"
"pushl %%ecx \n"
"popfl \n"
"call %4 \n"
"pushfl \n"
"movl %1,%%ebx \n"
"andl %3,%%ebx \n"
"popl %%ecx \n"
"andl %2,%%ecx \n"
"orl %%ecx,%%ebx \n"
"movl %%ebx,%1 \n"
:"=a" (retval)
:"m" (reg_flags), "n" (FMASK_TEST),"n" (~FMASK_TEST),"m" (code)
:"%ecx","%edx","%ebx","%ebp","%edi","%esi","cc","memory"
);
#endif
return retval;
}