diff options
Diffstat (limited to 'qemu/roms/vgabios/tests/lfbprof/lfbprof.h')
| -rw-r--r-- | qemu/roms/vgabios/tests/lfbprof/lfbprof.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/qemu/roms/vgabios/tests/lfbprof/lfbprof.h b/qemu/roms/vgabios/tests/lfbprof/lfbprof.h new file mode 100644 index 000000000..bae0e09b1 --- /dev/null +++ b/qemu/roms/vgabios/tests/lfbprof/lfbprof.h @@ -0,0 +1,149 @@ +/**************************************************************************** +* +* VBE 2.0 Linear Framebuffer Profiler +* By Kendall Bennett and Brian Hook +* +* Filename: LFBPROF.H +* Language: ANSI C +* Environment: Watcom C/C++ 10.0a with DOS4GW +* +* Description: Header file for the LFBPROF.C progam. +* +****************************************************************************/ + +#ifndef __LFBPROF_H +#define __LFBPROF_H + +/*---------------------- Macros and type definitions ----------------------*/ + +#pragma pack(1) + +/* SuperVGA information block */ + +typedef struct { + char VESASignature[4]; /* 'VESA' 4 byte signature */ + short VESAVersion; /* VBE version number */ + long OemStringPtr; /* Pointer to OEM string */ + long Capabilities; /* Capabilities of video card */ + long VideoModePtr; /* Pointer to supported modes */ + short TotalMemory; /* Number of 64kb memory blocks */ + + /* VBE 2.0 extensions */ + + short OemSoftwareRev; /* OEM Software revision number */ + long OemVendorNamePtr; /* Pointer to Vendor Name string */ + long OemProductNamePtr; /* Pointer to Product Name string */ + long OemProductRevPtr; /* Pointer to Product Revision str */ + char reserved[222]; /* Pad to 256 byte block size */ + char OemDATA[256]; /* Scratch pad for OEM data */ + } VBE_vgaInfo; + +/* SuperVGA mode information block */ + +typedef struct { + short ModeAttributes; /* Mode attributes */ + char WinAAttributes; /* Window A attributes */ + char WinBAttributes; /* Window B attributes */ + short WinGranularity; /* Window granularity in k */ + short WinSize; /* Window size in k */ + short WinASegment; /* Window A segment */ + short WinBSegment; /* Window B segment */ + long WinFuncPtr; /* Pointer to window function */ + short BytesPerScanLine; /* Bytes per scanline */ + short XResolution; /* Horizontal resolution */ + short YResolution; /* Vertical resolution */ + char XCharSize; /* Character cell width */ + char YCharSize; /* Character cell height */ + char NumberOfPlanes; /* Number of memory planes */ + char BitsPerPixel; /* Bits per pixel */ + char NumberOfBanks; /* Number of CGA style banks */ + char MemoryModel; /* Memory model type */ + char BankSize; /* Size of CGA style banks */ + char NumberOfImagePages; /* Number of images pages */ + char res1; /* Reserved */ + char RedMaskSize; /* Size of direct color red mask */ + char RedFieldPosition; /* Bit posn of lsb of red mask */ + char GreenMaskSize; /* Size of direct color green mask */ + char GreenFieldPosition; /* Bit posn of lsb of green mask */ + char BlueMaskSize; /* Size of direct color blue mask */ + char BlueFieldPosition; /* Bit posn of lsb of blue mask */ + char RsvdMaskSize; /* Size of direct color res mask */ + char RsvdFieldPosition; /* Bit posn of lsb of res mask */ + char DirectColorModeInfo; /* Direct color mode attributes */ + + /* VBE 2.0 extensions */ + + long PhysBasePtr; /* Physical address for linear buf */ + long OffScreenMemOffset; /* Pointer to start of offscreen mem*/ + short OffScreenMemSize; /* Amount of offscreen mem in 1K's */ + char res2[206]; /* Pad to 256 byte block size */ + } VBE_modeInfo; + +#define vbeMemPK 4 /* Packed Pixel memory model */ +#define vbeUseLFB 0x4000 /* Enable linear framebuffer mode */ + +/* Flags for the mode attributes returned by VBE_getModeInfo. If + * vbeMdNonBanked is set to 1 and vbeMdLinear is also set to 1, then only + * the linear framebuffer mode is available. + */ + +#define vbeMdAvailable 0x0001 /* Video mode is available */ +#define vbeMdColorMode 0x0008 /* Mode is a color video mode */ +#define vbeMdGraphMode 0x0010 /* Mode is a graphics mode */ +#define vbeMdNonBanked 0x0040 /* Banked mode is not supported */ +#define vbeMdLinear 0x0080 /* Linear mode supported */ + +/* Structures for issuing real mode interrupts with DPMI */ + +struct _RMWORDREGS { + unsigned short ax, bx, cx, dx, si, di, cflag; + }; + +struct _RMBYTEREGS { + unsigned char al, ah, bl, bh, cl, ch, dl, dh; + }; + +typedef union { + struct _RMWORDREGS x; + struct _RMBYTEREGS h; + } RMREGS; + +typedef struct { + unsigned short es; + unsigned short cs; + unsigned short ss; + unsigned short ds; + } RMSREGS; + +/* Inline assembler block fill/move routines */ + +void LfbMemset(void *p,int c,int n); +#pragma aux LfbMemset = \ + "shr ecx,2" \ + "xor eax,eax" \ + "mov al,bl" \ + "shl ebx,8" \ + "or ax,bx" \ + "mov ebx,eax" \ + "shl ebx,16" \ + "or eax,ebx" \ + "rep stosd" \ + parm [edi] [ebx] [ecx]; + +void LfbMemcpy(void *dst,void *src,int n); +#pragma aux LfbMemcpy = \ + "shr ecx,2" \ + "rep movsd" \ + parm [edi] [esi] [ecx]; + +/* Map a real mode pointer into address space */ + +#define LfbMapRealPointer(p) (void*)(((unsigned)((p) & 0xFFFF0000) >> 12) + ((p) & 0xFFFF)) + +/* Get the current timer tick count */ + +#define LfbGetTicks() *((long*)0x46C) + +#pragma pack() + +#endif /* __LFBPROF_H */ |