src/sys/arch/i386/i386/locore.S - diff

Return to locore.S CVS log

Up to [cvs.NetBSD.org] / src / sys / arch / i386 / i386

Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.

version 1.141, 2016/11/25 14:12:55

version 1.144.2.1, 2017/04/21 16:53:28

Line 601 no_NOX:

/* Find end of kernel image; brings us on (1). */

movl $RELOC(end),%edi

movl $RELOC(__kernel_end),%edi

#if (NKSYMS || defined(DDB) || defined(MODULAR)) && !defined(makeoptions_COPY_SYMTAB)

/* Save the symbols (if loaded); brinds us on (2). */

Line 633 no_NOX:

incl %eax /* one more PTP for VAs stolen by bootstrap */

1: movl %eax,RELOC(nkptp)+1*4

/* tablesize = (PDP_SIZE + UPAGES + nkptp) << PGSHIFT; */

/* tablesize = (PDP_SIZE + UPAGES + nkptp[1]) << PGSHIFT; */

addl $(PDP_SIZE+UPAGES),%eax

#ifdef PAE

incl %eax /* one more page for L3 */

Line 643 no_NOX:

#endif

movl %eax,RELOC(tablesize)

/* Ensure that nkptp covers BOOTSTRAP TABLES. */

/* Ensure that nkptp[1] covers BOOTSTRAP TABLES, ie:

* (esi + tablesize) >> L2_SHIFT + 1 < nkptp[1] */

addl %esi,%eax

addl $~L2_FRAME,%eax

shrl $L2_SHIFT,%eax

Line 670 no_NOX:

Line 671 no_NOX:

leal (PROC0_PTP1_OFF)(%esi),%ebx

/* Skip the first MB. */

/* Skip the area below the kernel text. */

movl $(KERNTEXTOFF - KERNBASE),%ecx

shrl $PGSHIFT,%ecx

fillkpt_blank

Line 918 begin:

Line 919 begin:

leal (USPACE-FRAMESIZE)(%eax),%esp

xorl %ebp,%ebp /* mark end of frames */

/* Set first_avail after the UAREA. */

/* Set first_avail after the DUMMY PAGE (see xen_locore). */

addl $USPACE,%esi

addl $(USPACE+PAGE_SIZE),%esi

subl $KERNBASE,%esi /* init386 wants a physical address */

#ifdef PAE