diff options
| author | Brandon Creighton <bjc@cvs.openbsd.org> | 2000-10-04 04:57:30 +0000 |
|---|---|---|
| committer | Brandon Creighton <bjc@cvs.openbsd.org> | 2000-10-04 04:57:30 +0000 |
| commit | 7bb74ebdd968704ecd9dfb4a38fd1c025314cafa (patch) | |
| tree | 010668c5bd44e392790005842d36852e26cf3ca5 /sys/arch/vax | |
| parent | 5da843779291f57fb3a1f34a40b573b8f4a36c5e (diff) | |
push the right # of registers with pushr.
also removed some useless instructions
Diffstat (limited to 'sys/arch/vax')
| -rw-r--r-- | sys/arch/vax/boot/xxboot/start.s | 11 | ||||
| -rw-r--r-- | sys/arch/vax/stand/xxboot/start.s | 11 |
2 files changed, 10 insertions, 12 deletions
diff --git a/sys/arch/vax/boot/xxboot/start.s b/sys/arch/vax/boot/xxboot/start.s index d20753cf901..bbd8397f70c 100644 --- a/sys/arch/vax/boot/xxboot/start.s +++ b/sys/arch/vax/boot/xxboot/start.s @@ -1,4 +1,4 @@ -/* $OpenBSD: start.s,v 1.1 2000/04/27 02:26:27 bjc Exp $ */ +/* $OpenBSD: start.s,v 1.2 2000/10/04 04:57:29 bjc Exp $ */ /* $NetBSD: start.s,v 1.2 1999/10/23 14:40:38 ragge Exp $ */ /* * Copyright (c) 1995 Ludd, University of Lule}, Sweden. @@ -132,7 +132,6 @@ bootinfo: .long 0x0 # another 3 bytes if within byte-offset .align 2 cont_750: movl r0,r10 - movl r5, ap # ap not used here clrl r5 clrl r4 movl $_start,sp @@ -148,11 +147,11 @@ cont_750: movl r11, r5 brw start_all + .org 0x200 start_uvax: mtpr $0, $PR_MAPEN # Turn off MM, please. movl $_start, sp - movl 48(r11), ap brb start_all /* @@ -160,7 +159,7 @@ start_uvax: * to RELOC and loads boot. */ start_all: - pushr $0xfff # save all regs, used later. + pushr $0x1fff # save all regs, used later. subl3 $_start, $_edata, r0 # get size of text+data (w/o bss) moval _start, r1 # get actual base-address of code @@ -168,11 +167,11 @@ start_all: movl $_start, r3 # get relocated base-address of code movc5 r0, (r1), $0, r2, (r3) # copy code to new location - movl $relocated, -(sp) # return-address on top of stack + jsb 1f +1: movl $relocated, (sp) # return-address on top of stack rsb # can be replaced with new address relocated: # now relocation is done !!! movl sp, _bootregs - movl ap, _boothowto calls $0, _Xmain # call Xmain (gcc workaround)which is halt # not intended to return ... diff --git a/sys/arch/vax/stand/xxboot/start.s b/sys/arch/vax/stand/xxboot/start.s index d20753cf901..bbd8397f70c 100644 --- a/sys/arch/vax/stand/xxboot/start.s +++ b/sys/arch/vax/stand/xxboot/start.s @@ -1,4 +1,4 @@ -/* $OpenBSD: start.s,v 1.1 2000/04/27 02:26:27 bjc Exp $ */ +/* $OpenBSD: start.s,v 1.2 2000/10/04 04:57:29 bjc Exp $ */ /* $NetBSD: start.s,v 1.2 1999/10/23 14:40:38 ragge Exp $ */ /* * Copyright (c) 1995 Ludd, University of Lule}, Sweden. @@ -132,7 +132,6 @@ bootinfo: .long 0x0 # another 3 bytes if within byte-offset .align 2 cont_750: movl r0,r10 - movl r5, ap # ap not used here clrl r5 clrl r4 movl $_start,sp @@ -148,11 +147,11 @@ cont_750: movl r11, r5 brw start_all + .org 0x200 start_uvax: mtpr $0, $PR_MAPEN # Turn off MM, please. movl $_start, sp - movl 48(r11), ap brb start_all /* @@ -160,7 +159,7 @@ start_uvax: * to RELOC and loads boot. */ start_all: - pushr $0xfff # save all regs, used later. + pushr $0x1fff # save all regs, used later. subl3 $_start, $_edata, r0 # get size of text+data (w/o bss) moval _start, r1 # get actual base-address of code @@ -168,11 +167,11 @@ start_all: movl $_start, r3 # get relocated base-address of code movc5 r0, (r1), $0, r2, (r3) # copy code to new location - movl $relocated, -(sp) # return-address on top of stack + jsb 1f +1: movl $relocated, (sp) # return-address on top of stack rsb # can be replaced with new address relocated: # now relocation is done !!! movl sp, _bootregs - movl ap, _boothowto calls $0, _Xmain # call Xmain (gcc workaround)which is halt # not intended to return ... |