diff options
| author | Brett Weiland <brett_weiland@bpcspace.com> | 2021-08-29 02:52:48 -0500 |
|---|---|---|
| committer | Brett Weiland <brett_weiland@bpcspace.com> | 2021-08-29 02:52:48 -0500 |
| commit | 1f71b9576db536af84155363e14fc49e92de2eef (patch) | |
| tree | 23f65a31cc89785befb70517b203625e2296326f /src/bootloader | |
| parent | dc0e84d5779db68e081c667faadc19a20de861ea (diff) | |
backup 8.29.21
Diffstat (limited to 'src/bootloader')
| -rw-r--r-- | src/bootloader/bootloader.asm | 1 | ||||
| -rw-r--r-- | src/bootloader/enter_kernel.asm | 13 |
2 files changed, 7 insertions, 7 deletions
diff --git a/src/bootloader/bootloader.asm b/src/bootloader/bootloader.asm index 8e5fbeb..fcb39a7 100644 --- a/src/bootloader/bootloader.asm +++ b/src/bootloader/bootloader.asm @@ -1,7 +1,6 @@ [bits 16] [extern _kernel_sector_size] [extern _bootloader_stage1_size] -[extern _kernel_s1_loc] jmp stage0 times 3-($-$$) db 0x90 diff --git a/src/bootloader/enter_kernel.asm b/src/bootloader/enter_kernel.asm index ef2cd71..bdf0a71 100644 --- a/src/bootloader/enter_kernel.asm +++ b/src/bootloader/enter_kernel.asm @@ -1,4 +1,4 @@ -[extern main] +[extern kernel_init] [extern _kernel_stack_loc] [extern _kernel_page_size] enter_longmode: @@ -68,13 +68,14 @@ mov cr4, eax ;If it's not and we enable it, it will cause pagefaults on read mov eax, 0x80000001 cpuid -and edx, 1 << 20 -shr edx, 9 +mov ebx, edx +and ebx, 1 << 20 +shr ebx, 9 mov ecx, 0xc0000080 rdmsr -or eax, 1 << 8 | 1 << 11 -or eax, edx +or eax, 1 << 8 +or eax, ebx wrmsr mov eax, cr0 @@ -90,7 +91,7 @@ enter_kernel: bits 64 mov rbp, 0 mov rsp, _kernel_stack_loc -mov rax, QWORD main +mov rax, QWORD kernel_init ;push QWORD 0 jmp rax jmp $ |