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| author | Peter Grehan <grehan@FreeBSD.org> | 2004-02-11 07:27:34 +0000 |
|---|---|---|
| committer | Peter Grehan <grehan@FreeBSD.org> | 2004-02-11 07:27:34 +0000 |
| commit | 7c2779715ca7661187d824ecd0a4f79104510b9e (patch) | |
| tree | e4823e473382c2aa93ccc87ad7c5a76631560c39 /sys/powerpc/include/sr.h | |
| parent | d1850887de953034f32fa9ef19b658d5cb4d27f5 (diff) | |
| download | src-7c2779715ca7661187d824ecd0a4f79104510b9e.tar.gz src-7c2779715ca7661187d824ecd0a4f79104510b9e.zip | |
Cleaned up param.h:
- culled long-dead #define's
- segment register defs moved to sr.h
- NPMAPS moved to pmap.h
- KERNBASE moved to vmparam.h
- removed include of <machine/cpu.h> and fixed src files that
relied on this.
Modifying segment register code no longer causes gcc rebuilds :-)
Notes
Notes:
svn path=/head/; revision=125687
Diffstat (limited to 'sys/powerpc/include/sr.h')
| -rw-r--r-- | sys/powerpc/include/sr.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/powerpc/include/sr.h b/sys/powerpc/include/sr.h index 449096453b57..e4a29ece7fed 100644 --- a/sys/powerpc/include/sr.h +++ b/sys/powerpc/include/sr.h @@ -41,4 +41,14 @@ #define SR_N 0x10000000 /* No-execute protection */ #define SR_VSID_MASK 0x00ffffff /* Virtual Segment ID mask */ +/* Kernel segment register usage */ +#define USER_SR 13 +#define KERNEL_SR 14 +#define KERNEL_VSIDBITS 0xfffff +#define KERNEL_SEGMENT (0xfffff0 + KERNEL_SR) +#define EMPTY_SEGMENT 0xfffff0 +#define USER_ADDR ((void *)(USER_SR << ADDR_SR_SHFT)) +#define SEGMENT_LENGTH 0x10000000 +#define SEGMENT_MASK 0xf0000000 + #endif /* !_MACHINE_SR_H_ */ |