--- /dev/null
+#ifndef __SPARC_OPENPROM_H
+#define __SPARC_OPENPROM_H
+
+/* openprom.h: Prom structures and defines for access to the OPENBOOT
+ * prom routines and data areas.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+
+/* Empirical constants... */
+#ifdef CONFIG_SUN3
+#define KADB_DEBUGGER_BEGVM 0x0fee0000 /* There is no kadb yet but...*/
+#define LINUX_OPPROM_BEGVM 0x0fef0000
+#define LINUX_OPPROM_ENDVM 0x0ff10000 /* I think this is right - tm */
+#else
+#define KADB_DEBUGGER_BEGVM 0xffc00000 /* Where kern debugger is in virt-mem */
+#define LINUX_OPPROM_BEGVM 0xffd00000
+#define LINUX_OPPROM_ENDVM 0xfff00000
+#define LINUX_OPPROM_MAGIC 0x10010407
+#endif
+
+#ifndef __ASSEMBLY__
+/* V0 prom device operations. */
+struct linux_dev_v0_funcs {
+ int (*v0_devopen)(char *device_str);
+ int (*v0_devclose)(int dev_desc);
+ int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
+ int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
+ int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf);
+ int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf);
+ int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
+ int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
+ int (*v0_seekdev)(int dev_desc, long logical_offst, int from);
+};
+
+/* V2 and later prom device operations. */
+struct linux_dev_v2_funcs {
+ int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */
+ char * (*v2_dumb_mem_alloc)(char *va, unsigned sz);
+ void (*v2_dumb_mem_free)(char *va, unsigned sz);
+
+ /* To map devices into virtual I/O space. */
+ char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz);
+ void (*v2_dumb_munmap)(char *virta, unsigned size);
+
+ int (*v2_dev_open)(char *devpath);
+ void (*v2_dev_close)(int d);
+ int (*v2_dev_read)(int d, char *buf, int nbytes);
+ int (*v2_dev_write)(int d, char *buf, int nbytes);
+ int (*v2_dev_seek)(int d, int hi, int lo);
+
+ /* Never issued (multistage load support) */
+ void (*v2_wheee2)(void);
+ void (*v2_wheee3)(void);
+};
+
+struct linux_mlist_v0 {
+ struct linux_mlist_v0 *theres_more;
+ char *start_adr;
+ unsigned num_bytes;
+};
+
+struct linux_mem_v0 {
+ struct linux_mlist_v0 **v0_totphys;
+ struct linux_mlist_v0 **v0_prommap;
+ struct linux_mlist_v0 **v0_available; /* What we can use */
+};
+
+/* Arguments sent to the kernel from the boot prompt. */
+struct linux_arguments_v0 {
+ char *argv[8];
+ char args[100];
+ char boot_dev[2];
+ int boot_dev_ctrl;
+ int boot_dev_unit;
+ int dev_partition;
+ char *kernel_file_name;
+ void *aieee1; /* XXX */
+};
+
+/* V2 and up boot things. */
+struct linux_bootargs_v2 {
+ char **bootpath;
+ char **bootargs;
+ int *fd_stdin;
+ int *fd_stdout;
+};
+
+#if defined(CONFIG_SUN3) || defined(CONFIG_SUN3X)
+struct linux_romvec {
+ char *pv_initsp;
+ int (*pv_startmon)(void);
+
+ int *diagberr;
+
+ struct linux_arguments_v0 **pv_v0bootargs;
+ unsigned *pv_sun3mem;
+
+ unsigned char (*pv_getchar)(void);
+ int (*pv_putchar)(int ch);
+ int (*pv_nbgetchar)(void);
+ int (*pv_nbputchar)(int ch);
+ unsigned char *pv_echo;
+ unsigned char *pv_insource;
+ unsigned char *pv_outsink;
+
+ int (*pv_getkey)(void);
+ int (*pv_initgetkey)(void);
+ unsigned int *pv_translation;
+ unsigned char *pv_keybid;
+ int *pv_screen_x;
+ int *pv_screen_y;
+ struct keybuf *pv_keybuf;
+
+ char *pv_monid;
+
+ /*
+ * Frame buffer output and terminal emulation
+ */
+
+ int (*pv_fbwritechar)(char);
+ int *pv_fbaddr;
+ char **pv_font;
+ int (*pv_fbwritestr)(char);
+
+ void (*pv_reboot)(char *bootstr);
+
+ /*
+ * Line input and parsing
+ */
+
+ unsigned char *pv_linebuf;
+ unsigned char **pv_lineptr;
+ int *pv_linesize;
+ int (*pv_getline)(void);
+ unsigned char (*pv_getnextchar)(void);
+ unsigned char (*pv_peeknextchar)(void);
+ int *pv_fbthere;
+ int (*pv_getnum)(void);
+
+ void (*pv_printf)(const char *fmt, ...);
+ int (*pv_printhex)(void);
+
+ unsigned char *pv_leds;
+ int (*pv_setleds)(void);
+
+ /*
+ * Non-maskable interrupt (nmi) information
+ */
+
+ int (*pv_nmiaddr)(void);
+ int (*pv_abortentry)(void);
+ int *pv_nmiclock;
+
+ int *pv_fbtype;
+
+ /*
+ * Assorted other things
+ */
+
+ unsigned pv_romvers;
+ struct globram *pv_globram;
+ char *pv_kbdzscc;
+
+ int *pv_keyrinit;
+ unsigned char *pv_keyrtick;
+ unsigned *pv_memoryavail;
+ long *pv_resetaddr;
+ long *pv_resetmap;
+
+ void (*pv_halt)(void);
+ unsigned char *pv_memorybitmap;
+
+#ifdef CONFIG_SUN3
+ void (*pv_setctxt)(int ctxt, char *va, int pmeg);
+ void (*pv_vector_cmd)(void);
+ int dummy1z;
+ int dummy2z;
+ int dummy3z;
+ int dummy4z;
+#endif
+};
+#else
+/* The top level PROM vector. */
+struct linux_romvec {
+ /* Version numbers. */
+ unsigned int pv_magic_cookie;
+ unsigned int pv_romvers;
+ unsigned int pv_plugin_revision;
+ unsigned int pv_printrev;
+
+ /* Version 0 memory descriptors. */
+ struct linux_mem_v0 pv_v0mem;
+
+ /* Node operations. */
+ struct linux_nodeops *pv_nodeops;
+
+ char **pv_bootstr;
+ struct linux_dev_v0_funcs pv_v0devops;
+
+ char *pv_stdin;
+ char *pv_stdout;
+#define PROMDEV_KBD 0 /* input from keyboard */
+#define PROMDEV_SCREEN 0 /* output to screen */
+#define PROMDEV_TTYA 1 /* in/out to ttya */
+#define PROMDEV_TTYB 2 /* in/out to ttyb */
+
+ /* Blocking getchar/putchar. NOT REENTRANT! (grr) */
+ int (*pv_getchar)(void);
+ void (*pv_putchar)(int ch);
+
+ /* Non-blocking variants. */
+ int (*pv_nbgetchar)(void);
+ int (*pv_nbputchar)(int ch);
+
+ void (*pv_putstr)(char *str, int len);
+
+ /* Miscellany. */
+ void (*pv_reboot)(char *bootstr);
+ void (*pv_printf)(__const__ char *fmt, ...);
+ void (*pv_abort)(void);
+ __volatile__ int *pv_ticks;
+ void (*pv_halt)(void);
+ void (**pv_synchook)(void);
+
+ /* Evaluate a forth string, not different proto for V0 and V2->up. */
+ union {
+ void (*v0_eval)(int len, char *str);
+ void (*v2_eval)(char *str);
+ } pv_fortheval;
+
+ struct linux_arguments_v0 **pv_v0bootargs;
+
+ /* Get ether address. */
+ unsigned int (*pv_enaddr)(int d, char *enaddr);
+
+ struct linux_bootargs_v2 pv_v2bootargs;
+ struct linux_dev_v2_funcs pv_v2devops;
+
+ int filler[15];
+
+ /* This one is sun4c/sun4 only. */
+ void (*pv_setctxt)(int ctxt, char *va, int pmeg);
+
+ /* Prom version 3 Multiprocessor routines. This stuff is crazy.
+ * No joke. Calling these when there is only one cpu probably
+ * crashes the machine, have to test this. :-)
+ */
+
+ /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context
+ * 'thiscontext' executing at address 'prog_counter'
+ */
+ int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr,
+ int thiscontext, char *prog_counter);
+
+ /* v3_cpustop() will cause cpu 'whichcpu' to stop executing
+ * until a resume cpu call is made.
+ */
+ int (*v3_cpustop)(unsigned int whichcpu);
+
+ /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or
+ * resume cpu call is made.
+ */
+ int (*v3_cpuidle)(unsigned int whichcpu);
+
+ /* v3_cpuresume() will resume processor 'whichcpu' executing
+ * starting with whatever 'pc' and 'npc' were left at the
+ * last 'idle' or 'stop' call.
+ */
+ int (*v3_cpuresume)(unsigned int whichcpu);
+};
+#endif
+
+/* Routines for traversing the prom device tree. */
+struct linux_nodeops {
+ int (*no_nextnode)(int node);
+ int (*no_child)(int node);
+ int (*no_proplen)(int node, char *name);
+ int (*no_getprop)(int node, char *name, char *val);
+ int (*no_setprop)(int node, char *name, char *val, int len);
+ char * (*no_nextprop)(int node, char *name);
+};
+
+/* More fun PROM structures for device probing. */
+#define PROMREG_MAX 16
+#define PROMVADDR_MAX 16
+#define PROMINTR_MAX 15
+
+struct linux_prom_registers {
+ int which_io; /* is this in OBIO space? */
+ char *phys_addr; /* The physical address of this register */
+ int reg_size; /* How many bytes does this register take up? */
+};
+
+struct linux_prom_irqs {
+ int pri; /* IRQ priority */
+ int vector; /* This is foobar, what does it do? */
+};
+
+/* Element of the "ranges" vector */
+struct linux_prom_ranges {
+ unsigned int ot_child_space;
+ unsigned int ot_child_base; /* Bus feels this */
+ unsigned int ot_parent_space;
+ unsigned int ot_parent_base; /* CPU looks from here */
+ unsigned int or_size;
+};
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* !(__SPARC_OPENPROM_H) */
Code Review / kvmfornfv.git / blobdiff