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Misc: more checks

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2553 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nick 2001-10-30 16:17:07 +00:00
parent a6edfc86db
commit 38f0f99daa
1 changed files with 8 additions and 2 deletions
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10
linux/vbelib.c
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@ -88,6 +88,7 @@ int vbeInit( void )
{
unsigned short iopl_port;
size_t i;
int retval;
if(!LRMI_init()) return VBE_VM86_FAIL;
/*
Allow read/write to ALL io ports
@ -99,9 +100,11 @@ int vbeInit( void )
ioperm(0, 1024, 1);
iopl(3);
memset(&vbe_pm_info,0,sizeof(struct VesaProtModeInterface));
vbeGetProtModeInfo(&vbe_pm_info);
retval = vbeGetProtModeInfo(&vbe_pm_info);
if(retval != VBE_OK) return retval;
i = 0;
while((iopl_port=vbe_pm_info.iopl_ports[i++]) != 0xFFFF) ioperm(iopl_port,1,1);
while((iopl_port=vbe_pm_info.iopl_ports[i]) != 0xFFFF
&& vbe_pm_info.iopl_ports[i++] > 1023) ioperm(iopl_port,1,1);
iopl(3);
return VBE_OK;
}
@ -451,14 +454,17 @@ int vbeGetProtModeInfo(struct VesaProtModeInterface *pm_info)
if((r.es >> 12) != hh_int_10_seg) retval = VBE_BROKEN_BIOS;
rm_info = PhysToVirtSO(r.es,info_offset);
pm_info->SetWindowCall = PhysToVirtSO(r.es,info_offset+rm_info->SetWindowCall);
if(!is_addr_valid(pm_info->SetWindowCall)) retval = VBE_BROKEN_BIOS;
#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);
if(!is_addr_valid(pm_info->SetDisplayStart)) retval = VBE_BROKEN_BIOS;
#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);
if(!is_addr_valid(pm_info->SetPaletteData)) retval = VBE_BROKEN_BIOS;
#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