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| author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
|---|---|---|
| committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
| commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
| tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/boot/alphapc/mem.h | |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/boot/alphapc/mem.h')
| -rwxr-xr-x | sys/src/boot/alphapc/mem.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/src/boot/alphapc/mem.h b/sys/src/boot/alphapc/mem.h new file mode 100755 index 000000000..5ae7bb740 --- /dev/null +++ b/sys/src/boot/alphapc/mem.h @@ -0,0 +1,15 @@ +/* + * Memory and machine-specific definitions. Used in C and assembler. + */ + +#define BI2BY 8 /* bits per byte */ +#define BI2WD 32 /* bits per word */ +#define BY2WD 4 /* bytes per word */ +#define BY2V 8 /* bytes per vlong */ + +#define KZERO 0x80000000 + +#define PTEVALID 0xff01 +#define PTEKVALID 0x1101 +#define PTEASM 0x0010 +#define PTEGH(s) ((s)<<5) |