diff options
| author | Jaroslav Hensl <jara@hensl.cz> | 2024-01-31 23:57:00 +0100 |
|---|---|---|
| committer | Jaroslav Hensl <jara@hensl.cz> | 2024-01-31 23:57:00 +0100 |
| commit | cf7b049839923f86fed97cfe7d8c17952a3fe79a (patch) | |
| tree | 70e5b14cbdcf92429a9608316768e7154e3a0b6f /pm16_calls.c | |
| parent | 4cc02044b5cd8d5a3791f847198b37817fc60b78 (diff) | |
| download | vmdisp9x-cf7b049839923f86fed97cfe7d8c17952a3fe79a.tar.gz | |
driver code refactoring / PART1: vmware code
Diffstat (limited to 'pm16_calls.c')
| -rw-r--r-- | pm16_calls.c | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/pm16_calls.c b/pm16_calls.c new file mode 100644 index 0000000..147bee8 --- /dev/null +++ b/pm16_calls.c @@ -0,0 +1,387 @@ +/*****************************************************************************
+
+Copyright (c) 2023 Jaroslav Hensl <emulator@emulace.cz>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+*****************************************************************************/
+/* Communication from ring3 PM16 -> ring0 PM32 */
+
+#include <wchar.h> /* wchar_t */
+#include <string.h> /* _fmemset */
+#include <stdint.h>
+#include "winhack.h" /* BOOL */
+
+#include "dpmi.h"
+
+#include "pm16_calls.h"
+#include "vxd.h"
+#include "3d_accel.h"
+
+#ifdef DBGPRINT
+extern void dbg_printf( const char *s, ... );
+#else
+#define dbg_printf(...)
+#endif
+
+static DWORD VXD_VM = 0;
+
+#pragma code_seg( _INIT )
+
+BOOL VXD_VM_connect()
+{
+ if(VXD_VM != 0)
+ {
+ return TRUE;
+ }
+
+ _asm{
+ push es
+ push ax
+ push dx
+ push bx
+ push di
+
+ xor di,di
+ mov es,di
+ mov ax, 1684H
+ mov bx, VXD_DEVICE_ID
+ int 2FH
+ mov word ptr [VXD_VM],di
+ mov word ptr [VXD_VM+2],es
+
+ pop di
+ pop bx
+ pop dx
+ pop ax
+ pop es
+ };
+
+ return VXD_VM != 0;
+}
+
+void FBHDA_setup(FBHDA_t __far* __far* FBHDA, DWORD __far* FBHDA_linear)
+{
+ static DWORD linear;
+ linear = 0;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+
+ mov edx, OP_FBHDA_SETUP
+ call dword ptr [VXD_VM]
+ mov [linear], ecx
+
+ pop ecx
+ pop edx
+ pop eax
+ }
+
+ if(linear)
+ {
+ void __far *longptr = NULL;
+ WORD desc = DPMI_AllocLDTDesc(1);
+ DPMI_SetSegBase(desc, linear);
+ DPMI_SetSegLimit(desc, sizeof(FBHDA_t)-1);
+
+ longptr = desc :> 0;
+
+ *FBHDA = (FBHDA_t __far*)longptr;
+ *FBHDA_linear = linear;
+ }
+}
+
+void FBHDA_access_begin(DWORD flags)
+{
+ static DWORD sFlags;
+ sFlags = flags;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+
+ mov edx, OP_FBHDA_ACCESS_BEGIN
+ mov ecx, [sFlags]
+ call dword ptr [VXD_VM]
+
+ pop ecx
+ pop edx
+ pop eax
+ }
+}
+
+void FBHDA_access_end(DWORD flags)
+{
+ static DWORD sFlags;
+ sFlags = flags;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+
+ mov edx, OP_FBHDA_ACCESS_END
+ mov ecx, [sFlags]
+ call dword ptr [VXD_VM]
+
+ pop ecx
+ pop edx
+ pop eax
+ }
+}
+
+BOOL FBHDA_swap(DWORD offset)
+{
+ static DWORD sOffset;
+ static BOOL status;
+ sOffset = offset;
+ status = FALSE;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+
+ mov edx, OP_FBHDA_SWAP
+ mov ecx, [sOffset]
+ call dword ptr [VXD_VM]
+ mov [status], cx
+
+ pop ecx
+ pop edx
+ pop eax
+ }
+
+ return status == 0 ? FALSE : TRUE;
+}
+
+void FBHDA_clean()
+{
+ _asm
+ {
+ .386
+ push eax
+ push edx
+
+ mov edx, OP_FBHDA_CLEAN
+ call dword ptr [VXD_VM]
+
+ pop edx
+ pop eax
+ }
+}
+
+void FBHDA_palette_set(unsigned char index, DWORD rgb)
+{
+ static unsigned char sIndex;
+ static DWORD sRGB;
+
+ sIndex = index;
+ sRGB = rgb;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+ push edi
+
+ mov edx, OP_FBHDA_PALETTE_SET
+ mov cl, [index]
+ mov edi, [sRGB]
+ call dword ptr [VXD_VM]
+
+ pop edi
+ pop ecx
+ pop edx
+ pop eax
+ }
+}
+
+DWORD FBHDA_palette_get(unsigned char index)
+{
+ static unsigned char sIndex;
+ static DWORD sRGB;
+
+ sIndex = index;
+ sRGB = 0;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+ push edi
+
+ mov edx, OP_FBHDA_PALETTE_GET
+ mov cl, [index]
+ call dword ptr [VXD_VM]
+ mov [sRGB], edi
+
+ pop edi
+ pop ecx
+ pop edx
+ pop eax
+ }
+
+ return sRGB;
+}
+
+#ifdef SVGA
+BOOL SVGA_valid()
+{
+ static BOOL status;
+ status = FALSE;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+
+ mov edx, OP_SVGA_VALID
+ call dword ptr [VXD_VM]
+ mov [status], cx
+
+ pop ecx
+ pop edx
+ pop eax
+ }
+
+ return status == 0 ? FALSE : TRUE;
+}
+
+BOOL SVGA_setmode(DWORD w, DWORD h, DWORD bpp)
+{
+ static BOOL status;
+ static DWORD sw, sh, sbpp;
+
+ status = FALSE;
+ sw = w;
+ sh = h;
+ sbpp = bpp;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+ push esi
+ push edi
+
+ mov edx, OP_SVGA_SETMODE
+ mov ecx, [bpp]
+ mov esi, [w]
+ mov edi, [h]
+ call dword ptr [VXD_VM]
+ mov [status], cx
+
+ pop edi
+ pop esi
+ pop ecx
+ pop edx
+ pop eax
+ }
+
+ return status == 0 ? FALSE : TRUE;
+}
+
+BOOL SVGA_validmode(DWORD w, DWORD h, DWORD bpp)
+{
+ static BOOL status;
+ static DWORD sw, sh, sbpp;
+
+ status = FALSE;
+ sw = w;
+ sh = h;
+ sbpp = bpp;
+
+ _asm
+ {
+ .386
+ push eax
+ push edx
+ push ecx
+ push esi
+ push edi
+
+ mov edx, OP_SVGA_VALIDMODE
+ mov ecx, [bpp]
+ mov esi, [w]
+ mov edi, [h]
+ call dword ptr [VXD_VM]
+ mov [status], cx
+
+ pop edi
+ pop esi
+ pop ecx
+ pop edx
+ pop eax
+ }
+
+ return status == 0 ? FALSE : TRUE;
+}
+
+void SVGA_HW_enable()
+{
+ _asm
+ {
+ .386
+ push eax
+ push edx
+
+ mov edx, OP_SVGA_HW_ENABLE
+ call dword ptr [VXD_VM]
+
+ pop edx
+ pop eax
+ }
+}
+
+void SVGA_HW_disable()
+{
+ _asm
+ {
+ .386
+ push eax
+ push edx
+
+ mov edx, OP_SVGA_HW_DISABLE
+ call dword ptr [VXD_VM]
+
+ pop edx
+ pop eax
+ }
+}
+#endif
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