diff options
Diffstat (limited to 'dev/boot/src/HEL/AMD64/BootAPI.S')
| -rw-r--r-- | dev/boot/src/HEL/AMD64/BootAPI.S | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/dev/boot/src/HEL/AMD64/BootAPI.S b/dev/boot/src/HEL/AMD64/BootAPI.S deleted file mode 100644 index 33c1f5d3..00000000 --- a/dev/boot/src/HEL/AMD64/BootAPI.S +++ /dev/null @@ -1,122 +0,0 @@ -.global rt_jump_to_address -.global rt_reset_hardware - -.data - -.global kApicBaseAddress - -kApicBaseAddress: - .long 0 - -.text - -.intel_syntax noprefix - -.global hal_load_idt - -hal_load_idt: - ret - -.global sched_jump_to_task - -sched_jump_to_task: - ret - -/** - @brief this function setups a stack and then jumps to - a function */ -rt_jump_to_address: - mov rbx, rcx - mov rcx, rdx - push rbx - push rdx - mov rsp, r8 - push rax - jmp rbx - - pop rdx - pop rbx - pop rax - - ret - -rt_reset_hardware: - /* dont raise any interrupts. (except ofc NMIs.) */ - cli - /* remap PIC */ -wait_gate1: - in al,0x64 - and al,2 - jnz wait_gate1 - mov al,0x0D1 - out 0x64,al -wait_gate2: - in al,0x64 - and al,2 - jnz wait_gate2 - mov al,0x0FE - out 0x60,al - - /* trigger triple fault, by writing to cr4 */ - - mov rax, 0 - lidt [rax] - -reset_wait: - jmp reset_wait - -.global boot_write_cr3 -.global boot_read_cr3 - -boot_read_cr3: - mov rax, cr3 - ret - -boot_write_cr3: - mov cr3, rcx - ret - -.section .text - -.extern rt_wait_400ns - -.global rt_out8 -.global rt_out16 -.global rt_out32 - -.global rt_in8 -.global rt_in16 -.global rt_in32 - -rt_out8: - mov al, dl - mov dx, cx - out dx, al - ret - -rt_out16: - mov ax, dx - mov dx, cx - out dx, ax - ret - -rt_out32: - mov eax, edx - mov edx, ecx - out dx, eax - ret - -rt_in8: - mov dx, cx - in al, dx - ret - -rt_in16: - mov edx, ecx - in ax, dx - ret - -rt_in32: - mov rdx, rcx - in eax, dx - ret
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