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Kernel: Minor tidying in BXVGADevice.

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This commit is contained in:
Andreas Kling 2019-03-08 02:54:39 +01:00
parent 6576ac8332
commit 0b5d5fc3c9
1 changed files with 4 additions and 3 deletions
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7
Kernel/BXVGADevice.cpp
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@ -71,13 +71,14 @@ void BXVGADevice::set_y_offset(int offset)
dword BXVGADevice::find_framebuffer_address() dword BXVGADevice::find_framebuffer_address()
{ {
// NOTE: The QEMU card has the same PCI ID as the Bochs one.
static const PCI::ID bochs_vga_id = { 0x1234, 0x1111 }; static const PCI::ID bochs_vga_id = { 0x1234, 0x1111 };
static const PCI::ID virtualbox_vga_id = { 0x80ee, 0xbeef }; static const PCI::ID virtualbox_vga_id = { 0x80ee, 0xbeef };
dword framebuffer_address = 0; dword framebuffer_address = 0;
PCI::enumerate_all([&framebuffer_address] (const PCI::Address& address, PCI::ID id) { PCI::enumerate_all([&framebuffer_address] (const PCI::Address& address, PCI::ID id) {
if (id == bochs_vga_id || id == virtualbox_vga_id) { if (id == bochs_vga_id || id == virtualbox_vga_id) {
framebuffer_address = PCI::get_BAR0(address) & 0xfffffff0; framebuffer_address = PCI::get_BAR0(address) & 0xfffffff0;
kprintf("BochsVGA: framebuffer @ P%x\n", framebuffer_address); kprintf("BXVGA: framebuffer @ P%x\n", framebuffer_address);
} }
}); });
return framebuffer_address; return framebuffer_address;
@ -93,9 +94,9 @@ Region* BXVGADevice::mmap(Process& process, LinearAddress preferred_laddr, size_
framebuffer_size_in_bytes(), framebuffer_size_in_bytes(),
move(vmo), move(vmo),
0, 0,
"BochsVGA Framebuffer", "BXVGA Framebuffer",
true, true); true, true);
kprintf("BochsVGA: %s(%u) created Region{%p} with size %u for framebuffer P%x with laddr L%x\n", kprintf("BXVGA: %s(%u) created Region{%p} with size %u for framebuffer P%x with laddr L%x\n",
process.name().characters(), process.pid(), process.name().characters(), process.pid(),
region, region->size(), framebuffer_address().as_ptr(), region->laddr().get()); region, region->size(), framebuffer_address().as_ptr(), region->laddr().get());
ASSERT(region); ASSERT(region);