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-rw-r--r--arch/sparc/include/asm/sun4prom.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/sun4prom.h b/arch/sparc/include/asm/sun4prom.h
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index 00000000000..9c8b4cbf629
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+++ b/arch/sparc/include/asm/sun4prom.h
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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)(int); /* 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_ */