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84 lines
3.7 KiB
84 lines
3.7 KiB
20 years ago
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/*
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* sun4prom.h -- interface to sun4 PROM monitor. We don't use most of this,
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* so most of these are just placeholders.
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*/
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#ifndef _SUN4PROM_H_
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#define _SUN4PROM_H_
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/*
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* Although this looks similar to an romvec for a OpenProm machine, it is
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* actually closer to what was used in the Sun2 and Sun3.
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*
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* V2 entries exist only in version 2 PROMs and later, V3 in version 3 and later.
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*
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* Many of the function prototypes are guesses. Some are certainly wrong.
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* Use with care.
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*/
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typedef struct {
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char *initSP; /* Initial system stack ptr */
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void (*startmon)(void); /* Initial PC for hardware */
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int *diagberr; /* Bus err handler for diags */
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struct linux_arguments_v0 **bootParam; /* Info for bootstrapped pgm */
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unsigned int *memorysize; /* Usable memory in bytes */
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unsigned char (*getchar)(void); /* Get char from input device */
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void (*putchar)(char); /* Put char to output device */
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int (*mayget)(void); /* Maybe get char, or -1 */
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int (*mayput)(int); /* Maybe put char, or -1 */
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unsigned char *echo; /* Should getchar echo? */
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unsigned char *insource; /* Input source selector */
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unsigned char *outsink; /* Output sink selector */
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int (*getkey)(void); /* Get next key if one exists */
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void (*initgetkey)(void); /* Initialize get key */
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unsigned int *translation; /* Kbd translation selector */
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unsigned char *keybid; /* Keyboard ID byte */
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int *screen_x; /* V2: Screen x pos (r/o) */
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int *screen_y; /* V2: Screen y pos (r/o) */
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struct keybuf *keybuf; /* Up/down keycode buffer */
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char *monid; /* Monitor version ID */
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void (*fbwritechar)(char); /* Write a character to FB */
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int *fbAddr; /* Address of frame buffer */
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char **font; /* Font table for FB */
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void (*fbwritestr)(char *); /* Write string to FB */
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void (*reboot)(char *); /* e.g. reboot("sd()vmlinux") */
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unsigned char *linebuf; /* The line input buffer */
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unsigned char **lineptr; /* Cur pointer into linebuf */
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int *linesize; /* length of line in linebuf */
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void (*getline)(char *); /* Get line from user */
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unsigned char (*getnextchar)(void); /* Get next char from linebuf */
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unsigned char (*peeknextchar)(void); /* Peek at next char */
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int *fbthere; /* =1 if frame buffer there */
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int (*getnum)(void); /* Grab hex num from line */
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int (*printf)(char *, ...); /* See prom_printf() instead */
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void (*printhex)(int); /* Format N digits in hex */
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unsigned char *leds; /* RAM copy of LED register */
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void (*setLEDs)(unsigned char *); /* Sets LED's and RAM copy */
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void (*NMIaddr)(void *); /* Addr for level 7 vector */
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void (*abortentry)(void); /* Entry for keyboard abort */
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int *nmiclock; /* Counts up in msec */
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int *FBtype; /* Frame buffer type */
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unsigned int romvecversion; /* Version number for this romvec */
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struct globram *globram; /* monitor global variables ??? */
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void * kbdaddr; /* Addr of keyboard in use */
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int *keyrinit; /* ms before kbd repeat */
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unsigned char *keyrtick; /* ms between repetitions */
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unsigned int *memoryavail; /* V1: Main mem usable size */
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long *resetaddr; /* where to jump on a reset */
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long *resetmap; /* pgmap entry for resetaddr */
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void (*exittomon)(void); /* Exit from user program */
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unsigned char **memorybitmap; /* V1: &{0 or &bits} */
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void (*setcxsegmap)(int ctxt, char *va, int pmeg); /* Set seg in any context */
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void (**vector_cmd)(void *); /* V2: Handler for 'v' cmd */
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unsigned long *expectedtrapsig; /* V3: Location of the expected trap signal */
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unsigned long *trapvectorbasetable; /* V3: Address of the trap vector table */
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int unused1;
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int unused2;
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int unused3;
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int unused4;
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} linux_sun4_romvec;
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extern linux_sun4_romvec *sun4_romvec;
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#endif /* _SUN4PROM_H_ */
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