From da094d011f52a8f1ce879810cd1a4bbbe34f08d4 Mon Sep 17 00:00:00 2001
From: Tyler Murphy <=>
Date: Sat, 22 Jul 2023 11:05:30 -0400
Subject: paging is not very fun

---
 kernel/src/arch/i686/acpi.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'kernel/src/arch/i686/acpi.c')

diff --git a/kernel/src/arch/i686/acpi.c b/kernel/src/arch/i686/acpi.c
index 7807558..17155ce 100644
--- a/kernel/src/arch/i686/acpi.c
+++ b/kernel/src/arch/i686/acpi.c
@@ -1,3 +1,5 @@
+#include "arch/i686/mboot.h"
+#include "arch/i686/paging.h"
 #include <panic.h>
 #include <string.h>
 #include <stdbool.h>
@@ -73,20 +75,25 @@ static void read_s5_addr(void) {
     }
 }
 
-void acpi_init(void *ptr) {
-
-    struct RootSystemDescriptionPointer *rsdp = ptr;
+void acpi_init(void) {
+    struct BootTag *tag;
+    if (!get_boot_tag(ID_RSDP, &tag)) {
+        panic("Could not find RSDP");
+    }
+    struct RootSystemDescriptionPointer *rsdp = tag->data.rsdp;
     if (!checksum((uint8_t*) rsdp, sizeof(struct RootSystemDescriptionPointer))) {
         panic("RSDP checksum failed to validate");
     }
-
     uintptr_t rsdt_ptr = rsdp->rsdt_address;
     rsdt = (void *) rsdt_ptr;
+    ident_map_addr(rsdt, 1000);
     if (!checksum((uint8_t*) &rsdt->header, rsdt->header.length)) {
         panic("RSDT checksum failed to validate");
     }
-
+    return;
+    
     fadt = find_fadt();
+    
     if (fadt == NULL) {
         panic("Could not find FADT");
     }
@@ -98,6 +105,7 @@ void acpi_init(void *ptr) {
     read_s5_addr();
 
     outb(fadt->smi_command_port,fadt->acpi_enable);
+    panic("C");
 }
 
 void acpi_poweroff(void) {
-- 
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