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vga: set pci revision to 0 to avoid falsely advertising mmio registers (for serenityos, #299)

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Fabian 2022-07-20 21:40:18 +09:00
parent 68256bc693
commit 52163a1fdf
1 changed files with 3 additions and 1 deletions
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src/vga.js
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@ -212,10 +212,12 @@ function VGAScreen(cpu, bus, vga_memory_size)
*/
this.svga_offset = 0;
const pci_revision = 0; // set to 2 for qemu extended registers
// Experimental, could probably need some changes
// 01:00.0 VGA compatible controller: NVIDIA Corporation GT216 [GeForce GT 220] (rev a2)
this.pci_space = [
0x34, 0x12, 0x11, 0x11, 0x03, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
0x34, 0x12, 0x11, 0x11, 0x03, 0x01, 0x00, 0x00, pci_revision, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
0x08, VGA_LFB_ADDRESS >>> 8, VGA_LFB_ADDRESS >>> 16, VGA_LFB_ADDRESS >>> 24,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0xfe, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf4, 0x1a, 0x00, 0x11,