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[Zion] Pass the framebuffer info to yellowstone init process.

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This commit is contained in:
Drew Galbraith 2023-11-09 11:20:41 -08:00
parent 8d10f19312
commit fa6a5949b2
7 changed files with 71 additions and 0 deletions
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26
zion/loader/init_loader.cpp
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@ -137,6 +137,30 @@ glcr::ErrorCode WritePciVmmo(glcr::RefPtr<Port> port, uint64_t id) {
return glcr::OK;
}
void WriteFramebufferVmmo(glcr::RefPtr<Port> port) {
const limine_framebuffer& buf = boot::GetFramebuffer();
ZFramebufferInfo ubuf{
.address_phys = reinterpret_cast<uint64_t>(buf.address) -
boot::GetHigherHalfDirectMap(),
.width = buf.width,
.height = buf.height,
.pitch = buf.pitch,
.bpp = buf.bpp,
.memory_model = buf.memory_model,
.red_mask_size = buf.red_mask_size,
.red_mask_shift = buf.red_mask_shift,
.green_mask_size = buf.green_mask_size,
.green_mask_shift = buf.green_mask_shift,
.blue_mask_size = buf.blue_mask_size,
.blue_mask_shift = buf.blue_mask_shift,
};
glcr::RefPtr<MemoryObject> ubuf_vmmo =
glcr::MakeRefCounted<MemoryObject>(sizeof(ubuf));
ubuf_vmmo->CopyBytesToObject(reinterpret_cast<uint64_t>(&ubuf), sizeof(ubuf));
port->WriteKernel(Z_BOOT_FRAMEBUFFER_INFO_VMMO,
MakeRefCounted<Capability>(ubuf_vmmo));
}
} // namespace
void LoadInitProgram() {
@ -154,6 +178,8 @@ void LoadInitProgram() {
WriteInitProgram(port, "/sys/denali", Z_BOOT_DENALI_VMMO);
WriteInitProgram(port, "/sys/victoriafalls", Z_BOOT_VICTORIA_FALLS_VMMO);
WriteFramebufferVmmo(port);
if (WritePciVmmo(port, Z_BOOT_PCI_VMMO) != glcr::OK) {
panic("Failed to provide PCI info to init.");
}