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Updates due to the changed frame buffer part in kernel_args.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9414 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-10-19 17:07:01 +00:00
parent 107f1a6a3f
commit a3a0808085
2 changed files with 23 additions and 17 deletions
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6
src/kernel/boot/platform/bios_ia32/console.cpp
View File

@ -1,6 +1,6 @@
/*
** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
** Distributed under the terms of the Haiku License.
*/
@ -65,7 +65,7 @@ Console::WriteAt(void *cookie, off_t /*pos*/, const void *buffer, size_t bufferS
{
const char *string = (const char *)buffer;
if (gKernelArgs.fb.enabled)
if (gKernelArgs.frame_buffer.enabled)
return bufferSize;
for (uint32 i = 0; i < bufferSize; i++) {
@ -89,7 +89,7 @@ Console::WriteAt(void *cookie, off_t /*pos*/, const void *buffer, size_t bufferS
void
console_clear_screen(void)
{
if (gKernelArgs.fb.enabled)
if (gKernelArgs.frame_buffer.enabled)
return;
for (uint32 i = 0; i < sScreenWidth * sScreenHeight; i++)

34
src/kernel/boot/platform/bios_ia32/video.cpp
View File

@ -39,6 +39,7 @@ static vbe_info_block sInfo;
video_mode *sMode;
bool sVesaCompatible;
struct list sModeList;
static addr_t sFrameBuffer;
static void
@ -319,9 +320,9 @@ platform_switch_to_logo(void)
if (vesa_set_mode(sMode->mode) != B_OK)
return;
gKernelArgs.fb.enabled = 1;
gKernelArgs.frame_buffer.enabled = 1;
if (!gKernelArgs.fb.already_mapped) {
if (gKernelArgs.frame_buffer.physical_buffer.start == 0) {
// the graphics memory has not been mapped yet!
struct vbe_mode_info modeInfo;
if (vesa_get_mode_info(sMode->mode, &modeInfo) != B_OK) {
@ -329,17 +330,19 @@ platform_switch_to_logo(void)
return;
}
gKernelArgs.fb.x_size = modeInfo.width;
gKernelArgs.fb.y_size = modeInfo.height;
gKernelArgs.fb.bit_depth = modeInfo.bits_per_pixel;
gKernelArgs.fb.mapping.size = gKernelArgs.fb.x_size * gKernelArgs.fb.y_size * (gKernelArgs.fb.bit_depth/8);
gKernelArgs.fb.mapping.start = mmu_map_physical_memory(modeInfo.physical_base, gKernelArgs.fb.mapping.size, 0x03);
gKernelArgs.fb.already_mapped = 1;
gKernelArgs.frame_buffer.width = modeInfo.width;
gKernelArgs.frame_buffer.height = modeInfo.height;
gKernelArgs.frame_buffer.depth = modeInfo.bits_per_pixel;
gKernelArgs.frame_buffer.physical_buffer.size = gKernelArgs.frame_buffer.width
* gKernelArgs.frame_buffer.height * (gKernelArgs.frame_buffer.depth / 8);
gKernelArgs.frame_buffer.physical_buffer.start = modeInfo.physical_base;
sFrameBuffer = mmu_map_physical_memory(modeInfo.physical_base,
gKernelArgs.frame_buffer.physical_buffer.size, 0x03);
// clear the video memory
// ToDo: this shouldn't be necessary on real hardware (and Bochs), but
// at least booting with Qemu looks ugly when this is missing
memset((void *)gKernelArgs.fb.mapping.start, 0, gKernelArgs.fb.mapping.size);
memset((void *)sFrameBuffer, 0, gKernelArgs.frame_buffer.physical_buffer.size);
}
if (vesa_set_palette((const uint8 *)kPalette, 0, 256) != B_OK)
@ -358,9 +361,12 @@ platform_switch_to_logo(void)
#endif
// ToDo: this is a temporary hack!
addr_t start = gKernelArgs.fb.mapping.start + gKernelArgs.fb.x_size * (gKernelArgs.fb.y_size - kHeight - 60) * (gKernelArgs.fb.bit_depth/8) + gKernelArgs.fb.x_size - kWidth - 40;
addr_t start = sFrameBuffer + gKernelArgs.frame_buffer.width
* (gKernelArgs.frame_buffer.height - kHeight - 60)
* (gKernelArgs.frame_buffer.depth/8) + gKernelArgs.frame_buffer.width - kWidth - 40;
for (int32 i = 0; i < kHeight; i++) {
memcpy((void *)(start + gKernelArgs.fb.x_size * i), &kImageData[i * kWidth], kWidth);
memcpy((void *)(start + gKernelArgs.frame_buffer.width * i),
&kImageData[i * kWidth], kWidth);
}
}
@ -368,20 +374,20 @@ platform_switch_to_logo(void)
extern "C" void
platform_switch_to_text_mode(void)
{
if (!gKernelArgs.fb.enabled)
if (!gKernelArgs.frame_buffer.enabled)
return;
bios_regs regs;
regs.eax = 3;
call_bios(0x10, &regs);
gKernelArgs.fb.enabled = 0;
gKernelArgs.frame_buffer.enabled = 0;
}
extern "C" status_t
platform_init_video(void)
{
gKernelArgs.fb.enabled = 0;
gKernelArgs.frame_buffer.enabled = 0;
list_init(&sModeList);
sVesaCompatible = vesa_init(&sInfo, &sMode) == B_OK;