refactor: striped more arch-related code from the kernel code base

[lunaix-os.git] / lunaix-os / hal / acpi / acpi.c

diff --git a/lunaix-os/hal/acpi/acpi.c b/lunaix-os/hal/acpi/acpi.c
index c6a566e47b713849f320920f74eeecd696bc0fdf..559befef9f2c76895ecfaab27ca9fa8b382227a3 100644 (file)
--- 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;
         }
     }