prom.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:2k
- /*
- * Miscellaneous definitions used to call the routines contained in the boot
- * PROMs on various models of DECSTATION's.
- * the rights to redistribute these changes.
- */
- #ifndef __ASM_DEC_PROM_H
- #define __ASM_DEC_PROM_H
- /*
- * PMAX/3MAX PROM entry points for DS2100/3100's and DS5000/2xx's. Many of
- * these will work for MIPSen as well!
- */
- #define VEC_RESET 0xBFC00000 /* Prom base address */
- #define PMAX_PROM_ENTRY(x) (VEC_RESET+((x)*8)) /* Prom jump table */
- #define PMAX_PROM_HALT PMAX_PROM_ENTRY(2) /* valid on MIPSen */
- #define PMAX_PROM_AUTOBOOT PMAX_PROM_ENTRY(5) /* valid on MIPSen */
- #define PMAX_PROM_OPEN PMAX_PROM_ENTRY(6)
- #define PMAX_PROM_READ PMAX_PROM_ENTRY(7)
- #define PMAX_PROM_CLOSE PMAX_PROM_ENTRY(10)
- #define PMAX_PROM_LSEEK PMAX_PROM_ENTRY(11)
- #define PMAX_PROM_GETCHAR PMAX_PROM_ENTRY(12)
- #define PMAX_PROM_PUTCHAR PMAX_PROM_ENTRY(13) /* 12 on MIPSen */
- #define PMAX_PROM_GETS PMAX_PROM_ENTRY(15)
- #define PMAX_PROM_PRINTF PMAX_PROM_ENTRY(17)
- #define PMAX_PROM_GETENV PMAX_PROM_ENTRY(33) /* valid on MIPSen */
- /*
- * Magic number indicating REX PROM available on DECSTATION. Found in
- * register a2 on transfer of control to program from PROM.
- */
- #define REX_PROM_MAGIC 0x30464354
- /*
- * 3MIN/MAXINE PROM entry points for DS5000/1xx's, DS5000/xx's, and
- * DS5000/2x0.
- */
- #define REX_PROM_GETBITMAP 0x84/4 /* get mem bitmap */
- #define REX_PROM_GETCHAR 0x24/4 /* getch() */
- #define REX_PROM_GETENV 0x64/4 /* get env. variable */
- #define REX_PROM_GETSYSID 0x80/4 /* get system id */
- #define REX_PROM_GETTCINFO 0xa4/4
- #define REX_PROM_PRINTF 0x30/4 /* printf() */
- #define REX_PROM_SLOTADDR 0x6c/4 /* slotaddr */
- #define REX_PROM_BOOTINIT 0x54/4 /* open() */
- #define REX_PROM_BOOTREAD 0x58/4 /* read() */
- #define REX_PROM_CLEARCACHE 0x7c/4
- #endif /* __ASM_DEC_PROM_H */