Broken attempt at freelist pmm.

1 files changed, 14 insertions, 4 deletions

diff --git a/kernel/arch/x86_64/limine.cpp b/kernel/arch/x86_64/limine.cpp
index b592592..5e9905f 100644
--- a/kernel/arch/x86_64/limine.cpp
+++ b/kernel/arch/x86_64/limine.cpp
@@ -62,12 +62,17 @@ extern void (*__init_array_end[])();
 

 void kernel_main();

 

+// this will cause problems later

+uint64_t _hhdm_offset;

+

 extern "C" void _start() {

     asm("cli");

     if (!LIMINE_BASE_REVISION_SUPPORTED) {

         hcf();

     }

 

+    _hhdm_offset = hhdm_request.response->offset;

+

     // setup gdt

     SegDesc segs[5];

     GDTR gdtr{sizeof(struct SegDesc) * 5 - 1, (uint64_t)&segs};

@@ -129,10 +134,15 @@ extern "C" void _start() {
         memmap->entries[i]->base, memmap->entries[i]->length, memmap->entries[i]->type);

     }

 

-    // broken printf mirroring 64 bit values for some reason

-    //uint64_t tester = 0xFFFE0000000000AE + 1;

-    //printf("aaaa: %lx\n", tester);

-    pmm_init(memmap_request.response, hhdm_request.response->offset);

+    printf("hhdm offset: %lx\n", _hhdm_offset);

+    // pmm_init(memmap_request.response);

+    

+    // asm("xchgw %bx, %bx");

+    // uint64_t pmm_test[5];

+    // for (size_t i = 0; i < 5; i++) {

+    //     pmm_test[i] = (uint64_t)palloc();

+    //     printf("Alloc %d: %lx\n", i, pmm_test[i]);

+    // }

 

     kernel_main();