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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2295 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nick 2001-10-19 15:09:57 +00:00
parent e593390a0b
commit 3640ce3005
1 changed files with 76 additions and 10 deletions
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86
linux/vbelib.c
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@ -16,6 +16,44 @@
static struct VesaProtModeInterface vbe_pm_info;
#define HAVE_VERBOSE_VAR 1
#ifdef HAVE_VERBOSE_VAR
extern int verbose;
static void __dump_regs(struct LRMI_regs *r)
{
printf("vbelib: eax=%08lXh ebx=%08lXh ecx=%08lXh edx=%08lXh\n"
"vbelib: edi=%08lXh esi=%08lXh ebp=%08lXh esp=%08lXh\n"
"vbelib: ds=%04lXh es=%04Xh ss=%04Xh cs:ip=%04X:%04X\n"
"vbelib: fs=%04lXh gs=%04Xh ss:sp=%04X:%04X flags=%04X\n"
,r->eax,r->ebx,r->ecx,r->edx
,r->edi,r->esi,r->ebp,r->reserved
,r->ds,r->es,r->ss,r->cs,r->ip
,r->fs,r->gs,r->ss,r->sp,r->flags);
}
static inline int VBE_LRMI_int(int int_no, struct LRMI_regs *r)
{
int retval;
if(verbose > 1)
{
printf("vbelib: registers before int %02X\n",int_no);
__dump_regs(r);
}
retval = LRMI_int(int_no,r);
if(verbose > 1)
{
printf("vbelib: Interrupt handler returns: %08lXh\n",retval);
printf("vbelib: registers after int %02X\n",int_no);
__dump_regs(r);
}
return retval;
}
#else
#define VBE_LRMI_int(int_no,regs) (VBE_LRMI_int(int_no,regs))
#endif
int vbeInit( void )
{
if(!LRMI_init()) return VBE_VM86_FAIL;
@ -42,7 +80,7 @@ int vbeGetControllerInfo(struct VbeInfoBlock *data)
r.eax = 0x4f00;
r.es = VirtToPhysSeg(rm_space);
r.edi = VirtToPhysOff(rm_space);
if(!LRMI_int(0x10,&r))
if(!VBE_LRMI_int(0x10,&r))
{
LRMI_free_real(rm_space);
return VBE_VM86_FAIL;
@ -56,18 +94,33 @@ int vbeGetControllerInfo(struct VbeInfoBlock *data)
fpdata.seg = (unsigned long)(data->OemStringPtr) >> 16;
fpdata.off = (unsigned long)(data->OemStringPtr) & 0xffff;
data->OemStringPtr = PhysToVirt(fpdata);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: OemStringPtr=%04X:%04X => %p\n",fpdata.seg,fpdata.off,data->OemStringPtr);
#endif
fpdata.seg = (unsigned long)(data->VideoModePtr) >> 16;
fpdata.off = (unsigned long)(data->VideoModePtr) & 0xffff;
data->VideoModePtr = PhysToVirt(fpdata);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: VideoModePtr=%04X:%04X => %p\n",fpdata.seg,fpdata.off,data->VideoModePtr);
#endif
fpdata.seg = (unsigned long)(data->OemVendorNamePtr) >> 16;
fpdata.off = (unsigned long)(data->OemVendorNamePtr) & 0xffff;
data->OemVendorNamePtr = PhysToVirt(fpdata);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: OemVendorNamePtr=%04X:%04X => %p\n",fpdata.seg,fpdata.off,data->OemVendorNamePtr);
#endif
fpdata.seg = (unsigned long)(data->OemProductNamePtr) >> 16;
fpdata.off = (unsigned long)(data->OemProductNamePtr) & 0xffff;
data->OemProductNamePtr = PhysToVirt(fpdata);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: OemProductNamePtr=%04X:%04X => %p\n",fpdata.seg,fpdata.off,data->OemProductNamePtr);
#endif
fpdata.seg = (unsigned long)(data->OemProductRevPtr) >> 16;
fpdata.off = (unsigned long)(data->OemProductRevPtr) & 0xffff;
data->OemProductRevPtr = PhysToVirt(fpdata);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: OemProductRevPtr=%04X:%04X => %p\n",fpdata.seg,fpdata.off,data->OemProductRevPtr);
#endif
}
return retval;
}
@ -83,7 +136,7 @@ int vbeGetModeInfo(unsigned mode,struct VesaModeInfoBlock *data)
r.ecx = mode;
r.es = VirtToPhysSeg(rm_space);
r.edi = VirtToPhysOff(rm_space);
if(!LRMI_int(0x10,&r))
if(!VBE_LRMI_int(0x10,&r))
{
LRMI_free_real(rm_space);
return VBE_VM86_FAIL;
@ -112,7 +165,7 @@ int vbeSetMode(unsigned mode,struct VesaCRTCInfoBlock *data)
}
r.eax = 0x4f02;
r.ebx = mode;
retval = LRMI_int(0x10,&r);
retval = VBE_LRMI_int(0x10,&r);
if(rm_space) LRMI_free_real(rm_space);
if(!retval) return VBE_VM86_FAIL;
retval = r.eax & 0xffff;
@ -126,7 +179,7 @@ int vbeGetMode(unsigned *mode)
int retval;
memset(&r,0,sizeof(struct LRMI_regs));
r.eax = 0x4f03;
if(!LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
if(!VBE_LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
retval = r.eax & 0xffff;
if(retval == 0x4f)
{
@ -145,7 +198,7 @@ int vbeSaveState(void **data)
r.eax = 0x4f04;
r.edx = 0x00;
r.ecx = 0x0f;
if(!LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
if(!VBE_LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
retval = r.eax & 0xffff;
if(retval != 0x4f) return retval;
if(!(rm_space = LRMI_alloc_real((r.ebx & 0xffff)*64))) return VBE_OUT_OF_DOS_MEM;
@ -154,7 +207,7 @@ int vbeSaveState(void **data)
r.ecx = 0x0f;
r.es = VirtToPhysSeg(rm_space);
r.ebx = VirtToPhysOff(rm_space);
if(!LRMI_int(0x10,&r))
if(!VBE_LRMI_int(0x10,&r))
{
LRMI_free_real(rm_space);
return VBE_VM86_FAIL;
@ -180,7 +233,7 @@ int vbeRestoreState(void *data)
r.ecx = 0x0f;
r.es = VirtToPhysSeg(data);
r.ebx = VirtToPhysOff(data);
retval = LRMI_int(0x10,&r);
retval = VBE_LRMI_int(0x10,&r);
LRMI_free_real(data);
if(!retval) return VBE_VM86_FAIL;
retval = r.eax & 0xffff;
@ -195,7 +248,7 @@ int vbeGetWindow(unsigned *win_num)
memset(&r,0,sizeof(struct LRMI_regs));
r.eax = 0x4f05;
r.ebx = (*win_num & 0x0f) | 0x0100;
if(!LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
if(!VBE_LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
retval = r.eax & 0xffff;
if(retval == 0x4f)
{
@ -210,6 +263,7 @@ int vbeSetWindow(unsigned win_num,unsigned win_gran)
int retval;
if(vbe_pm_info.SetWindowCall)
{
/* Don't verbose this stuff from performance reasons */
/* 32-bit function call is much better of int 10h */
__asm __volatile(
"pushl %%ebx\n"
@ -226,7 +280,7 @@ int vbeSetWindow(unsigned win_num,unsigned win_gran)
r.eax = 0x4f05;
r.ebx = win_num & 0x0f;
r.edx = win_gran;
if(!LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
if(!VBE_LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
retval = r.eax & 0xffff;
if(retval == 0x4f) retval = VBE_OK;
}
@ -250,16 +304,28 @@ int vbeGetProtModeInfo(struct VesaProtModeInterface *pm_info)
memset(&r,0,sizeof(struct LRMI_regs));
r.eax = 0x4f0a;
r.ebx = 0;
if(!LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
if(!VBE_LRMI_int(0x10,&r)) return VBE_VM86_FAIL;
retval = r.eax & 0xffff;
if(retval == 0x4f)
{
info_offset = r.edi&0xffff;
rm_info = PhysToVirtSO(r.es,info_offset);
pm_info->SetWindowCall = PhysToVirtSO(r.es,info_offset+rm_info->SetWindowCall);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: SetWindowCall=%04X:%04X => %p\n",r.es,info_offset+rm_info->SetWindowCall,pm_info->SetWindowCall);
#endif
pm_info->SetDisplayStart = PhysToVirtSO(r.es,info_offset+rm_info->SetDisplayStart);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: SetDisplayStart=%04X:%04X => %p\n",r.es,info_offset+rm_info->SetDisplayStart,pm_info->SetDisplayStart);
#endif
pm_info->SetPaletteData = PhysToVirtSO(r.es,info_offset+rm_info->SetPaletteData);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: SetPaletteData=%04X:%04X => %p\n",r.es,info_offset+rm_info->SetPaletteData,pm_info->SetPaletteData);
#endif
pm_info->iopl_ports = PhysToVirtSO(r.es,info_offset+rm_info->iopl_ports);
#ifdef HAVE_VERBOSE_VAR
if(verbose > 1) printf("vbelib: iopl_ports=%04X:%04X => %p\n",r.es,info_offset+rm_info->iopl_ports,pm_info->iopl_ports);
#endif
retval = VBE_OK;
}
return retval;