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