diff options
| author | grehan <grehan@FreeBSD.org> | 2004-07-08 06:13:05 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2004-07-08 06:13:05 +0000 |
| commit | c22bebde69ec38e71d06e6dc837da5e082a30aac (patch) | |
| tree | 327de32af2cf406363aaa26ec4de49ebc34e8c0e /sys/boot/powerpc | |
| parent | b65386ecc32a78cdeb0fade38d6516b729100e05 (diff) | |
| download | FreeBSD-src-c22bebde69ec38e71d06e6dc837da5e082a30aac.zip FreeBSD-src-c22bebde69ec38e71d06e6dc837da5e082a30aac.tar.gz | |
Remove cache flush, 256Mb 1:1 BAT mapping, and BAT clearing. This doesn't
work on a G5 (no BAT registers) or on PearPC (dBAT3 used for mapping
the framebuffer and BATs not re-inited on OpenFirmware calls).
It also hid a number of bugs.
Diffstat (limited to 'sys/boot/powerpc')
| -rw-r--r-- | sys/boot/powerpc/loader/start.c | 45 | ||||
| -rw-r--r-- | sys/boot/powerpc/ofw/start.c | 45 |
2 files changed, 0 insertions, 90 deletions
diff --git a/sys/boot/powerpc/loader/start.c b/sys/boot/powerpc/loader/start.c index 9f82322..3813eb5 100644 --- a/sys/boot/powerpc/loader/start.c +++ b/sys/boot/powerpc/loader/start.c @@ -38,15 +38,6 @@ __FBSDID("$FreeBSD$"); void startup(void *, int, int (*)(void *), char *, int); -#ifdef XCOFF_GLUE -asm(" \n\ - .text \n\ - .globl _entry \n\ -_entry: \n\ - .long _start,0,0 \n\ -"); -#endif - __asm(" \n\ .data \n\ stack: \n\ @@ -55,46 +46,10 @@ stack: \n\ .text \n\ .globl _start \n\ _start: \n\ - li %r8,0 \n\ - li %r9,0x100 \n\ - mtctr %r9 \n\ -1: \n\ - dcbf %r0,%r8 \n\ - icbi %r0,%r8 \n\ - addi %r8,%r8,0x20 \n\ - bdnz 1b \n\ - sync \n\ - isync \n\ - \n\ lis %r1,stack@ha \n\ addi %r1,%r1,stack@l \n\ addi %r1,%r1,8192 \n\ \n\ - mfmsr %r8 \n\ - li %r0,0 \n\ - mtmsr %r0 \n\ - isync \n\ - \n\ - mtibatu 0,%r0 \n\ - mtibatu 1,%r0 \n\ - mtibatu 2,%r0 \n\ - mtibatu 3,%r0 \n\ - mtdbatu 0,%r0 \n\ - mtdbatu 1,%r0 \n\ - mtdbatu 2,%r0 \n\ - mtdbatu 3,%r0 \n\ - \n\ - li %r9,0x12 /* BATL(0, BAT_M, BAT_PP_RW) */ \n\ - mtibatl 0,%r9 \n\ - mtdbatl 0,%r9 \n\ - li %r9,0x1ffe /* BATU(0, BAT_BL_256M, BAT_Vs) */ \n\ - mtibatu 0,%r9 \n\ - mtdbatu 0,%r9 \n\ - isync \n\ - \n\ - mtmsr %r8 \n\ - isync \n\ - \n\ b startup \n\ "); diff --git a/sys/boot/powerpc/ofw/start.c b/sys/boot/powerpc/ofw/start.c index 9f82322..3813eb5 100644 --- a/sys/boot/powerpc/ofw/start.c +++ b/sys/boot/powerpc/ofw/start.c @@ -38,15 +38,6 @@ __FBSDID("$FreeBSD$"); void startup(void *, int, int (*)(void *), char *, int); -#ifdef XCOFF_GLUE -asm(" \n\ - .text \n\ - .globl _entry \n\ -_entry: \n\ - .long _start,0,0 \n\ -"); -#endif - __asm(" \n\ .data \n\ stack: \n\ @@ -55,46 +46,10 @@ stack: \n\ .text \n\ .globl _start \n\ _start: \n\ - li %r8,0 \n\ - li %r9,0x100 \n\ - mtctr %r9 \n\ -1: \n\ - dcbf %r0,%r8 \n\ - icbi %r0,%r8 \n\ - addi %r8,%r8,0x20 \n\ - bdnz 1b \n\ - sync \n\ - isync \n\ - \n\ lis %r1,stack@ha \n\ addi %r1,%r1,stack@l \n\ addi %r1,%r1,8192 \n\ \n\ - mfmsr %r8 \n\ - li %r0,0 \n\ - mtmsr %r0 \n\ - isync \n\ - \n\ - mtibatu 0,%r0 \n\ - mtibatu 1,%r0 \n\ - mtibatu 2,%r0 \n\ - mtibatu 3,%r0 \n\ - mtdbatu 0,%r0 \n\ - mtdbatu 1,%r0 \n\ - mtdbatu 2,%r0 \n\ - mtdbatu 3,%r0 \n\ - \n\ - li %r9,0x12 /* BATL(0, BAT_M, BAT_PP_RW) */ \n\ - mtibatl 0,%r9 \n\ - mtdbatl 0,%r9 \n\ - li %r9,0x1ffe /* BATU(0, BAT_BL_256M, BAT_Vs) */ \n\ - mtibatu 0,%r9 \n\ - mtdbatu 0,%r9 \n\ - isync \n\ - \n\ - mtmsr %r8 \n\ - isync \n\ - \n\ b startup \n\ "); |
