kern

diff src/proc-asm.S @ 54:4eaecb14fe31

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bringing the task switching thing into shape with proper per-process kernel stacks and shit
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 14 Aug 2011 16:57:23 +0300
parents
children 437360696883
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/proc-asm.S	Sun Aug 14 16:57:23 2011 +0300
     1.3 @@ -0,0 +1,9 @@
     1.4 +	.text
     1.5 +	/* switch_stack(uint32_t new_stack)
     1.6 +     * switches to the new stack and returns the old stack pointer
     1.7 +     */
     1.8 +	.globl switch_stack
     1.9 +switch_stack:
    1.10 +	movl %esp, %eax
    1.11 +	movl 4(%esp), %esp
    1.12 +	ret