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 /vxd_fbhda.c | |
| parent | 4cc02044b5cd8d5a3791f847198b37817fc60b78 (diff) | |
| download | vmdisp9x-cf7b049839923f86fed97cfe7d8c17952a3fe79a.tar.gz | |
driver code refactoring / PART1: vmware code
Diffstat (limited to 'vxd_fbhda.c')
| -rw-r--r-- | vxd_fbhda.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/vxd_fbhda.c b/vxd_fbhda.c new file mode 100644 index 0000000..2a258bc --- /dev/null +++ b/vxd_fbhda.c @@ -0,0 +1,89 @@ +/*****************************************************************************
+
+Copyright (c) 2024 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.
+
+*****************************************************************************/
+
+#include "winhack.h"
+#include "vmm.h"
+#include "vxd.h"
+
+#include "vxd_lib.h"
+#include "3d_accel.h"
+
+#include "code32.h"
+
+FBHDA_t *hda = NULL;
+ULONG hda_sem = 0;
+LONG fb_lock_cnt = 0;
+
+BOOL FBHDA_init_hw()
+{
+ hda = (FBHDA_t *)_PageAllocate(RoundToPages(sizeof(FBHDA_t)), PG_SYS, 0, 0, 0x0, 0x100000, NULL, PAGEFIXED);
+ if(hda)
+ {
+ memset(hda, 0, sizeof(FBHDA_t));
+
+ hda->cb = sizeof(FBHDA_t);
+ hda->flags = 0;
+
+ hda_sem = Create_Semaphore(1);
+ if(hda_sem == 0)
+ {
+ _PageFree(hda, 0);
+ return FALSE;
+ }
+
+ return TRUE;
+ }
+ return FALSE;
+}
+
+void FBHDA_release_hw()
+{
+ if(hda)
+ {
+ _PageFree(hda, 0);
+ }
+
+ if(hda_sem)
+ {
+ Destroy_Semaphore(hda_sem);
+ }
+}
+
+FBHDA_t *FBHDA_setup()
+{
+ return hda;
+}
+
+void FBHDA_access_begin(DWORD flags)
+{
+ //Wait_Semaphore(hda_sem, 0);
+ fb_lock_cnt++;
+}
+
+void FBHDA_clean()
+{
+ FBHDA_access_begin(0);
+ memset(hda->vram_pm32, 0, hda->stride);
+ FBHDA_access_end(0);
+}
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