fix errors in slides

[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 a37466a91f0671e3588dede7ef3402e482b9069f..a99827803a14e729bb9b4fdb07591fdd767ad57d 100644 (file)
--- a/lunaix-os/hal/acpi/acpi.c
+++ b/lunaix-os/hal/acpi/acpi.c
@@ -115,11 +115,11 @@ 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;
 #else
     // You know what, I just search the entire 1MiB for Celestia's sake.
     uint8_t* mem_start = 0x4000;

-    for (size_t j = 0; j < 0x100000; j += 16) {
-        uint32_t sig_low = *((uint32_t*)(mem_start + j));
+    for (; mem_start < 0x100000; mem_start += 16) {
+        uint32_t sig_low = *((uint32_t*)(mem_start));

         // uint32_t sig_high = *((uint32_t*)(mem_start+j) + 1);
         if (sig_low == ACPI_RSDP_SIG_L) {
         // uint32_t sig_high = *((uint32_t*)(mem_start+j) + 1);
         if (sig_low == ACPI_RSDP_SIG_L) {

-            rsdp = (acpi_rsdp_t*)(mem_start + j);
+            rsdp = (acpi_rsdp_t*)(mem_start);

             break;
         }
     }
             break;
         }
     }