فهرست منبع

x86: Remove progress indication in low-level init

Progress indication is not relocation friendly so remove it in
preperation for full relocatability support
Graeme Russ 14 سال پیش
والد
کامیت
6ae032a86a
2فایلهای تغییر یافته به همراه2 افزوده شده و 54 حذف شده
  1. 2 42
      arch/i386/cpu/start.S
  2. 0 12
      board/eNET/eNET_start.S

+ 2 - 42
arch/i386/cpu/start.S

@@ -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

+ 0 - 12
board/eNET/eNET_start.S

@@ -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