diff options
Diffstat (limited to 'boot/pm.asm')
| -rw-r--r-- | boot/pm.asm | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/boot/pm.asm b/boot/pm.asm deleted file mode 100644 index e6f3474..0000000 --- a/boot/pm.asm +++ /dev/null @@ -1,36 +0,0 @@ -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;;;;;;; Miguel's FoolOS Helper Functions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -; -; switch_to_pm - actual switch from 16bit real to 32bit protected -; init_pm - sets up some regs and calls boot_32_pm -; - -[bits 16] -switch_to_pm: - - cli ;switch off interrupts! - lgdt [gdt_descriptor] ;load descriptor table! -; lldt [gdt_descriptor] ;load descriptor table! (local) - - ;switch on 32-bit protected mode - mov eax, cr0 - or eax,0x1 - mov cr0, eax - - jmp CODE_SEG:init_pm - -[bits 32] -init_pm: - - mov ax, DATA_SEG - mov ds, ax - mov ss, ax - mov es, ax - mov fs, ax - mov gs, ax - - mov ebp, 0x07bff - mov esp, ebp - - call boot_32_pm ;continue booting in 32-bit protected mode |