X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/bc34fd00d2e81fbc890bb2060ed6693454a230bf..b26d3165c52589d1f8de37bf0df27ad96f460f47:/lunaix-os/hal/acpi/acpi.c diff --git a/lunaix-os/hal/acpi/acpi.c b/lunaix-os/hal/acpi/acpi.c index c6a566e..559befe 100644 --- a/lunaix-os/hal/acpi/acpi.c +++ b/lunaix-os/hal/acpi/acpi.c @@ -40,13 +40,16 @@ acpi_init(multiboot_info_t* mb_info) (acpi_sdthdr_t*)((acpi_apic_t**)&(rsdt->entry))[i]; switch (sdthdr->signature) { case ACPI_MADT_SIG: + kprintf(KINFO "MADT: %p\n", sdthdr); madt_parse((acpi_madt_t*)sdthdr, ctx); break; case ACPI_FADT_SIG: // FADT just a plain structure, no need to parse. + kprintf(KINFO "FADT: %p\n", sdthdr); ctx->fadt = *(acpi_fadt_t*)sdthdr; break; case ACPI_MCFG_SIG: + kprintf(KINFO "MCFG: %p\n", sdthdr); mcfg_parse(sdthdr, ctx); break; default: @@ -55,6 +58,8 @@ acpi_init(multiboot_info_t* mb_info) } kprintf(KINFO "ACPI: %s\n", ctx->oem_id); + + return 0; } acpi_context* @@ -67,8 +72,8 @@ acpi_get_context() int acpi_rsdp_validate(acpi_rsdp_t* rsdp) { - uint8_t sum = 0; - uint8_t* rsdp_ptr = (uint8_t*)rsdp; + u8_t sum = 0; + u8_t* rsdp_ptr = (u8_t*)rsdp; for (size_t i = 0; i < 20; i++) { sum += *(rsdp_ptr + i); } @@ -76,6 +81,16 @@ acpi_rsdp_validate(acpi_rsdp_t* rsdp) return sum == 0; } +u8_t +acpi_gistranslate(u8_t old_irq) +{ + if (old_irq >= 24) { + return old_irq; + } + acpi_intso_t* int_override = ctx->madt.irq_exception[old_irq]; + return int_override ? (u8_t)int_override->gsi : old_irq; +} + #define VIRTUAL_BOX_PROBLEM acpi_rsdp_t* @@ -97,11 +112,11 @@ acpi_locate_rsdp(multiboot_info_t* mb_info) continue; } - uint8_t* mem_start = entry.addr_low & ~0xf; + u8_t* mem_start = entry.addr_low & ~0xf; size_t len = entry.len_low; for (size_t j = 0; j < len; j += 16) { - uint32_t sig_low = *((uint32_t*)(mem_start + j)); - // uint32_t sig_high = *((uint32_t*)(mem_start+j) + 1); + u32_t sig_low = *((u32_t*)(mem_start + j)); + // u32_t sig_high = *((u32_t*)(mem_start+j) + 1); if (sig_low == ACPI_RSDP_SIG_L) { rsdp = (acpi_rsdp_t*)(mem_start + j); break; @@ -110,13 +125,14 @@ acpi_locate_rsdp(multiboot_info_t* mb_info) } #else // You know what, I just search the entire 1MiB for Celestia's sake. - uint8_t* mem_start = 0x4000; + ptr_t mem_start = 0x4000; for (; mem_start < 0x100000; mem_start += 16) { - uint32_t sig_low = *((uint32_t*)(mem_start)); + u32_t sig_low = *((u32_t*)mem_start); // XXX: do we need to compare this as well? - // uint32_t sig_high = *((uint32_t*)(mem_start+j) + 1); + // u32_t sig_high = *((u32_t*)(mem_start+j) + 1); + if (sig_low == ACPI_RSDP_SIG_L) { - rsdp = (acpi_rsdp_t*)(mem_start); + rsdp = (acpi_rsdp_t*)mem_start; break; } }