Context Navigation

vesa_ret.inc@ cee51fd

Visit:

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export

Last change on this file since cee51fd was 1d3d2cf, checked in by Martin Decky <martin@…>, 15 years ago
rename gdtselector to GDT_SELECTOR to make explicit it is a macro unify how bootstrap_gdtr is defined on amd64 and ia32
Property mode set to `100644`
File size: 472 bytes

Rev	Line
[421c833]	1	.code32
	2	vesa_init_protected:
[873c681]	3	cld
	4
	5	/* Initialize stack pointer */
	6	movl $START_STACK, %esp
	7
	8	/* Kernel data + stack */
[1d3d2cf]	9	movw $GDT_SELECTOR(KDATA_DES), %cx
[421c833]	10	movw %cx, %es
[873c681]	11	movw %cx, %ds
[421c833]	12	movw %cx, %ss
	13
[873c681]	14	/*
	15	* Simics seems to remove hidden part of GS on entering user mode
	16	* when _visible_ part of GS does not point to user-mode segment.
	17	*/
[421c833]	18
[1d3d2cf]	19	movw $GDT_SELECTOR(UDATA_DES), %cx
[421c833]	20	movw %cx, %fs
	21	movw %cx, %gs
	22
[1d3d2cf]	23	jmpl $GDT_SELECTOR(KTEXT32_DES), $vesa_meeting_point

Note: See TracBrowser for help on using the repository browser.