x86: Remove progress indication in low-level init
Progress indication is not relocation friendly so remove it in preperation for full relocatability support
This commit is contained in:
parent
7228efa3cb
commit
6ae032a86a
@ -83,13 +83,6 @@ _start:
|
||||
jmp early_board_init
|
||||
early_board_init_ret:
|
||||
|
||||
/* The __port80 entry-point should be usabe by now */
|
||||
/* so we try to indicate progress */
|
||||
movw $0x01, %ax
|
||||
movl $.progress0, %ebp
|
||||
jmp show_boot_progress_asm
|
||||
.progress0:
|
||||
|
||||
/* size memory */
|
||||
mov $mem_init_ret, %ebp
|
||||
jmp mem_init
|
||||
@ -103,24 +96,11 @@ get_mem_size_ret:
|
||||
/* Check we have enough memory for stack */
|
||||
movl $CONFIG_SYS_STACK_SIZE, %ecx
|
||||
cmpl %ecx, %eax
|
||||
jae mem_ok
|
||||
|
||||
/* indicate (lack of) progress */
|
||||
movw $0x81, %ax
|
||||
movl $.progress0a, %ebp
|
||||
jmp show_boot_progress_asm
|
||||
.progress0a:
|
||||
jmp die
|
||||
jb die
|
||||
mem_ok:
|
||||
/* Set stack pointer to upper memory limit*/
|
||||
movl %eax, %esp
|
||||
|
||||
/* indicate progress */
|
||||
movw $0x02, %ax
|
||||
movl $.progress1, %ebp
|
||||
jmp show_boot_progress_asm
|
||||
.progress1:
|
||||
|
||||
/* Test the stack */
|
||||
pushl $0
|
||||
popl %eax
|
||||
@ -129,23 +109,7 @@ mem_ok:
|
||||
push $0x55aa55aa
|
||||
popl %ebx
|
||||
cmpl $0x55aa55aa, %ebx
|
||||
je stack_ok
|
||||
|
||||
no_stack:
|
||||
/* indicate (lack of) progress */
|
||||
movw $0x82, %ax
|
||||
movl $.progress1a, %ebp
|
||||
jmp show_boot_progress_asm
|
||||
.progress1a:
|
||||
jmp die
|
||||
|
||||
|
||||
stack_ok:
|
||||
/* indicate progress */
|
||||
movw $0x03, %ax
|
||||
movl $.progress2, %ebp
|
||||
jmp show_boot_progress_asm
|
||||
.progress2:
|
||||
jne die
|
||||
|
||||
wbinvd
|
||||
|
||||
@ -157,10 +121,6 @@ stack_ok:
|
||||
|
||||
/* indicate (lack of) progress */
|
||||
movw $0x85, %ax
|
||||
movl $.progress4a, %ebp
|
||||
jmp show_boot_progress_asm
|
||||
.progress4a:
|
||||
|
||||
die: hlt
|
||||
jmp die
|
||||
hlt
|
||||
|
@ -29,18 +29,6 @@ early_board_init:
|
||||
/* No 32-bit board specific initialisation */
|
||||
jmp *%ebp /* return to caller */
|
||||
|
||||
.globl show_boot_progress_asm
|
||||
show_boot_progress_asm:
|
||||
|
||||
movb %al, %dl /* Create Working Copy */
|
||||
andb $0x80, %dl /* Mask in only Error bit */
|
||||
shrb $0x02, %dl /* Shift Error bit to Error LED */
|
||||
andb $0x0f, %al /* Mask out 'Error' bit */
|
||||
orb %dl, %al /* Mask in ERR LED */
|
||||
movw $LED_LATCH_ADDRESS, %dx
|
||||
outb %al, %dx
|
||||
jmp *%ebp /* return to caller */
|
||||
|
||||
.globl cpu_halt_asm
|
||||
cpu_halt_asm:
|
||||
movb $0x0f, %al
|
||||
|
Loading…
Reference in New Issue
Block a user