X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/ae23ad2227bd97df4b464937b1dd54a0f3702148..0eabc11fcf240415e39f3873dfce7cd9384b3042:/lunaix-os/hal/acpi/acpi.c diff --git a/lunaix-os/hal/acpi/acpi.c b/lunaix-os/hal/acpi/acpi.c index 5713f9a..419b136 100644 --- a/lunaix-os/hal/acpi/acpi.c +++ b/lunaix-os/hal/acpi/acpi.c @@ -1,12 +1,12 @@ #include -#include +#include #include #include #include -#include "parser/madt_parser.h" +#include "parser/parser.h" static acpi_context* ctx = NULL; @@ -26,11 +26,9 @@ acpi_init(multiboot_info_t* mb_info) assert_msg(rsdp, "Fail to locate ACPI_RSDP"); assert_msg(acpi_rsdp_validate(rsdp), "Invalid ACPI_RSDP (checksum failed)"); - kprintf(KINFO "RSDP found at %p, RSDT: %p\n", rsdp, rsdp->rsdt); - acpi_rsdt_t* rsdt = rsdp->rsdt; - ctx = lxcalloc(1, sizeof(acpi_context)); + ctx = vzalloc(sizeof(acpi_context)); assert_msg(ctx, "Fail to create ACPI context"); strncpy(ctx->oem_id, rsdt->header.oem_id, 6); @@ -38,31 +36,28 @@ acpi_init(multiboot_info_t* mb_info) size_t entry_n = (rsdt->header.length - sizeof(acpi_sdthdr_t)) >> 2; for (size_t i = 0; i < entry_n; i++) { - acpi_sdthdr_t* sdthdr = ((acpi_apic_t**)&(rsdt->entry))[i]; + acpi_sdthdr_t* sdthdr = + (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: break; } } - kprintf(KINFO "OEM: %s\n", ctx->oem_id); - kprintf(KINFO "IOAPIC address: %p\n", ctx->madt.ioapic->ioapic_addr); - kprintf(KINFO "APIC address: %p\n", ctx->madt.apic_addr); - - for (size_t i = 0; i < 24; i++) { - acpi_intso_t* intso = ctx->madt.irq_exception[i]; - if (!intso) - continue; - - kprintf(KINFO "IRQ #%u -> GSI #%u\n", intso->source, intso->gsi); - } + kprintf(KINFO "ACPI: %s\n", ctx->oem_id); } acpi_context* @@ -84,6 +79,16 @@ acpi_rsdp_validate(acpi_rsdp_t* rsdp) return sum == 0; } +uint8_t +acpi_gistranslate(uint8_t old_irq) +{ + if (old_irq >= 24) { + return old_irq; + } + acpi_intso_t* int_override = ctx->madt.irq_exception[old_irq]; + return int_override ? (uint8_t)int_override->gsi : old_irq; +} + #define VIRTUAL_BOX_PROBLEM acpi_rsdp_t* @@ -108,8 +113,8 @@ acpi_locate_rsdp(multiboot_info_t* mb_info) uint8_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; @@ -120,9 +125,9 @@ acpi_locate_rsdp(multiboot_info_t* mb_info) // You know what, I just search the entire 1MiB for Celestia's sake. uint8_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); break;