| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * sun4prom.h -- interface to sun4 PROM monitor. We don't use most of this, |
| 3 | * so most of these are just placeholders. |
| 4 | */ |
| 5 | |
| 6 | #ifndef _SUN4PROM_H_ |
| 7 | #define _SUN4PROM_H_ |
| 8 | |
| 9 | /* |
| 10 | * Although this looks similar to an romvec for a OpenProm machine, it is |
| 11 | * actually closer to what was used in the Sun2 and Sun3. |
| 12 | * |
| 13 | * V2 entries exist only in version 2 PROMs and later, V3 in version 3 and later. |
| 14 | * |
| 15 | * Many of the function prototypes are guesses. Some are certainly wrong. |
| 16 | * Use with care. |
| 17 | */ |
| 18 | |
| 19 | typedef struct { |
| 20 | char *initSP; /* Initial system stack ptr */ |
| 21 | void (*startmon)(void); /* Initial PC for hardware */ |
| 22 | int *diagberr; /* Bus err handler for diags */ |
| 23 | struct linux_arguments_v0 **bootParam; /* Info for bootstrapped pgm */ |
| 24 | unsigned int *memorysize; /* Usable memory in bytes */ |
| 25 | unsigned char (*getchar)(void); /* Get char from input device */ |
| 26 | void (*putchar)(char); /* Put char to output device */ |
| 27 | int (*mayget)(void); /* Maybe get char, or -1 */ |
| 28 | int (*mayput)(int); /* Maybe put char, or -1 */ |
| 29 | unsigned char *echo; /* Should getchar echo? */ |
| 30 | unsigned char *insource; /* Input source selector */ |
| 31 | unsigned char *outsink; /* Output sink selector */ |
| 32 | int (*getkey)(void); /* Get next key if one exists */ |
| 33 | void (*initgetkey)(void); /* Initialize get key */ |
| 34 | unsigned int *translation; /* Kbd translation selector */ |
| 35 | unsigned char *keybid; /* Keyboard ID byte */ |
| 36 | int *screen_x; /* V2: Screen x pos (r/o) */ |
| 37 | int *screen_y; /* V2: Screen y pos (r/o) */ |
| 38 | struct keybuf *keybuf; /* Up/down keycode buffer */ |
| 39 | char *monid; /* Monitor version ID */ |
| 40 | void (*fbwritechar)(char); /* Write a character to FB */ |
| 41 | int *fbAddr; /* Address of frame buffer */ |
| 42 | char **font; /* Font table for FB */ |
| 43 | void (*fbwritestr)(char *); /* Write string to FB */ |
| 44 | void (*reboot)(char *); /* e.g. reboot("sd()vmlinux") */ |
| 45 | unsigned char *linebuf; /* The line input buffer */ |
| 46 | unsigned char **lineptr; /* Cur pointer into linebuf */ |
| 47 | int *linesize; /* length of line in linebuf */ |
| 48 | void (*getline)(char *); /* Get line from user */ |
| 49 | unsigned char (*getnextchar)(void); /* Get next char from linebuf */ |
| 50 | unsigned char (*peeknextchar)(void); /* Peek at next char */ |
| 51 | int *fbthere; /* =1 if frame buffer there */ |
| 52 | int (*getnum)(void); /* Grab hex num from line */ |
| 53 | int (*printf)(char *, ...); /* See prom_printf() instead */ |
| 54 | void (*printhex)(int); /* Format N digits in hex */ |
| 55 | unsigned char *leds; /* RAM copy of LED register */ |
| 56 | void (*setLEDs)(unsigned char *); /* Sets LED's and RAM copy */ |
| 57 | void (*NMIaddr)(void *); /* Addr for level 7 vector */ |
| 58 | void (*abortentry)(void); /* Entry for keyboard abort */ |
| 59 | int *nmiclock; /* Counts up in msec */ |
| 60 | int *FBtype; /* Frame buffer type */ |
| 61 | unsigned int romvecversion; /* Version number for this romvec */ |
| 62 | struct globram *globram; /* monitor global variables ??? */ |
| 63 | void * kbdaddr; /* Addr of keyboard in use */ |
| 64 | int *keyrinit; /* ms before kbd repeat */ |
| 65 | unsigned char *keyrtick; /* ms between repetitions */ |
| 66 | unsigned int *memoryavail; /* V1: Main mem usable size */ |
| 67 | long *resetaddr; /* where to jump on a reset */ |
| 68 | long *resetmap; /* pgmap entry for resetaddr */ |
| 69 | void (*exittomon)(void); /* Exit from user program */ |
| 70 | unsigned char **memorybitmap; /* V1: &{0 or &bits} */ |
| 71 | void (*setcxsegmap)(int ctxt, char *va, int pmeg); /* Set seg in any context */ |
| 72 | void (**vector_cmd)(void *); /* V2: Handler for 'v' cmd */ |
| 73 | unsigned long *expectedtrapsig; /* V3: Location of the expected trap signal */ |
| 74 | unsigned long *trapvectorbasetable; /* V3: Address of the trap vector table */ |
| 75 | int unused1; |
| 76 | int unused2; |
| 77 | int unused3; |
| 78 | int unused4; |
| 79 | } linux_sun4_romvec; |
| 80 | |
| 81 | extern linux_sun4_romvec *sun4_romvec; |
| 82 | |
| 83 | #endif /* _SUN4PROM_H_ */ |