From aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 Mon Sep 17 00:00:00 2001 From: merge Date: Thu, 22 Jan 2009 13:55:32 +0000 Subject: MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green fix-stray-endmenu.patch Signed-off-by: Andy Green --- arch/sparc/prom/Makefile | 19 ++- arch/sparc/prom/bootstr.c | 59 ------- arch/sparc/prom/bootstr_32.c | 59 +++++++ arch/sparc/prom/bootstr_64.c | 40 +++++ arch/sparc/prom/cif.S | 48 ++++++ arch/sparc/prom/console.c | 98 ------------ arch/sparc/prom/console_32.c | 98 ++++++++++++ arch/sparc/prom/console_64.c | 74 +++++++++ arch/sparc/prom/devops.c | 89 ----------- arch/sparc/prom/devops_32.c | 89 +++++++++++ arch/sparc/prom/devops_64.c | 41 +++++ arch/sparc/prom/init.c | 75 --------- arch/sparc/prom/init_32.c | 79 ++++++++++ arch/sparc/prom/init_64.c | 57 +++++++ arch/sparc/prom/misc.c | 131 ---------------- arch/sparc/prom/misc_32.c | 132 ++++++++++++++++ arch/sparc/prom/misc_64.c | 338 ++++++++++++++++++++++++++++++++++++++++ arch/sparc/prom/p1275.c | 151 ++++++++++++++++++ arch/sparc/prom/printf.c | 5 +- arch/sparc/prom/ranges.c | 3 + arch/sparc/prom/tree.c | 346 ----------------------------------------- arch/sparc/prom/tree_32.c | 359 +++++++++++++++++++++++++++++++++++++++++++ arch/sparc/prom/tree_64.c | 313 +++++++++++++++++++++++++++++++++++++ 23 files changed, 1900 insertions(+), 803 deletions(-) delete mode 100644 arch/sparc/prom/bootstr.c create mode 100644 arch/sparc/prom/bootstr_32.c create mode 100644 arch/sparc/prom/bootstr_64.c create mode 100644 arch/sparc/prom/cif.S delete mode 100644 arch/sparc/prom/console.c create mode 100644 arch/sparc/prom/console_32.c create mode 100644 arch/sparc/prom/console_64.c delete mode 100644 arch/sparc/prom/devops.c create mode 100644 arch/sparc/prom/devops_32.c create mode 100644 arch/sparc/prom/devops_64.c delete mode 100644 arch/sparc/prom/init.c create mode 100644 arch/sparc/prom/init_32.c create mode 100644 arch/sparc/prom/init_64.c delete mode 100644 arch/sparc/prom/misc.c create mode 100644 arch/sparc/prom/misc_32.c create mode 100644 arch/sparc/prom/misc_64.c create mode 100644 arch/sparc/prom/p1275.c delete mode 100644 arch/sparc/prom/tree.c create mode 100644 arch/sparc/prom/tree_32.c create mode 100644 arch/sparc/prom/tree_64.c (limited to 'arch/sparc/prom') diff --git a/arch/sparc/prom/Makefile b/arch/sparc/prom/Makefile index 8f7e18546c9..1b8c073adb4 100644 --- a/arch/sparc/prom/Makefile +++ b/arch/sparc/prom/Makefile @@ -1,6 +1,21 @@ # Makefile for the Sun Boot PROM interface library under # Linux. # +asflags := -ansi +ccflags := -Werror -lib-y := bootstr.o devmap.o devops.o init.o memory.o misc.o mp.o \ - palloc.o ranges.o segment.o console.o printf.o tree.o +lib-y := bootstr_$(BITS).o +lib-$(CONFIG_SPARC32) += devmap.o +lib-y += devops_$(BITS).o +lib-y += init_$(BITS).o +lib-$(CONFIG_SPARC32) += memory.o +lib-y += misc_$(BITS).o +lib-$(CONFIG_SPARC32) += mp.o +lib-$(CONFIG_SPARC32) += palloc.o +lib-$(CONFIG_SPARC32) += ranges.o +lib-$(CONFIG_SPARC32) += segment.o +lib-y += console_$(BITS).o +lib-y += printf.o +lib-y += tree_$(BITS).o +lib-$(CONFIG_SPARC64) += p1275.o +lib-$(CONFIG_SPARC64) += cif.o diff --git a/arch/sparc/prom/bootstr.c b/arch/sparc/prom/bootstr.c deleted file mode 100644 index 916831da7e6..00000000000 --- a/arch/sparc/prom/bootstr.c +++ /dev/null @@ -1,59 +0,0 @@ -/* - * bootstr.c: Boot string/argument acquisition from the PROM. - * - * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#include -#include -#include - -#define BARG_LEN 256 -static char barg_buf[BARG_LEN] = { 0 }; -static char fetched __initdata = 0; - -char * __init -prom_getbootargs(void) -{ - int iter; - char *cp, *arg; - - /* This check saves us from a panic when bootfd patches args. */ - if (fetched) { - return barg_buf; - } - - switch(prom_vers) { - case PROM_V0: - cp = barg_buf; - /* Start from 1 and go over fd(0,0,0)kernel */ - for(iter = 1; iter < 8; iter++) { - arg = (*(romvec->pv_v0bootargs))->argv[iter]; - if(arg == 0) break; - while(*arg != 0) { - /* Leave place for space and null. */ - if(cp >= barg_buf + BARG_LEN-2){ - /* We might issue a warning here. */ - break; - } - *cp++ = *arg++; - } - *cp++ = ' '; - } - *cp = 0; - break; - case PROM_V2: - case PROM_V3: - /* - * V3 PROM cannot supply as with more than 128 bytes - * of an argument. But a smart bootstrap loader can. - */ - strlcpy(barg_buf, *romvec->pv_v2bootargs.bootargs, sizeof(barg_buf)); - break; - default: - break; - } - - fetched = 1; - return barg_buf; -} diff --git a/arch/sparc/prom/bootstr_32.c b/arch/sparc/prom/bootstr_32.c new file mode 100644 index 00000000000..916831da7e6 --- /dev/null +++ b/arch/sparc/prom/bootstr_32.c @@ -0,0 +1,59 @@ +/* + * bootstr.c: Boot string/argument acquisition from the PROM. + * + * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#include +#include +#include + +#define BARG_LEN 256 +static char barg_buf[BARG_LEN] = { 0 }; +static char fetched __initdata = 0; + +char * __init +prom_getbootargs(void) +{ + int iter; + char *cp, *arg; + + /* This check saves us from a panic when bootfd patches args. */ + if (fetched) { + return barg_buf; + } + + switch(prom_vers) { + case PROM_V0: + cp = barg_buf; + /* Start from 1 and go over fd(0,0,0)kernel */ + for(iter = 1; iter < 8; iter++) { + arg = (*(romvec->pv_v0bootargs))->argv[iter]; + if(arg == 0) break; + while(*arg != 0) { + /* Leave place for space and null. */ + if(cp >= barg_buf + BARG_LEN-2){ + /* We might issue a warning here. */ + break; + } + *cp++ = *arg++; + } + *cp++ = ' '; + } + *cp = 0; + break; + case PROM_V2: + case PROM_V3: + /* + * V3 PROM cannot supply as with more than 128 bytes + * of an argument. But a smart bootstrap loader can. + */ + strlcpy(barg_buf, *romvec->pv_v2bootargs.bootargs, sizeof(barg_buf)); + break; + default: + break; + } + + fetched = 1; + return barg_buf; +} diff --git a/arch/sparc/prom/bootstr_64.c b/arch/sparc/prom/bootstr_64.c new file mode 100644 index 00000000000..ab9ccc63b38 --- /dev/null +++ b/arch/sparc/prom/bootstr_64.c @@ -0,0 +1,40 @@ +/* + * bootstr.c: Boot string/argument acquisition from the PROM. + * + * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright(C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include +#include + +/* WARNING: The boot loader knows that these next three variables come one right + * after another in the .data section. Do not move this stuff into + * the .bss section or it will break things. + */ + +#define BARG_LEN 256 +struct { + int bootstr_len; + int bootstr_valid; + char bootstr_buf[BARG_LEN]; +} bootstr_info = { + .bootstr_len = BARG_LEN, +#ifdef CONFIG_CMDLINE + .bootstr_valid = 1, + .bootstr_buf = CONFIG_CMDLINE, +#endif +}; + +char * __init +prom_getbootargs(void) +{ + /* This check saves us from a panic when bootfd patches args. */ + if (bootstr_info.bootstr_valid) + return bootstr_info.bootstr_buf; + prom_getstring(prom_chosen_node, "bootargs", + bootstr_info.bootstr_buf, BARG_LEN); + bootstr_info.bootstr_valid = 1; + return bootstr_info.bootstr_buf; +} diff --git a/arch/sparc/prom/cif.S b/arch/sparc/prom/cif.S new file mode 100644 index 00000000000..5f27ad779c0 --- /dev/null +++ b/arch/sparc/prom/cif.S @@ -0,0 +1,48 @@ +/* cif.S: PROM entry/exit assembler trampolines. + * + * Copyright (C) 1996, 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + * Copyright (C) 2005, 2006 David S. Miller + */ + +#include +#include +#include + + .text + .globl prom_cif_interface +prom_cif_interface: + sethi %hi(p1275buf), %o0 + or %o0, %lo(p1275buf), %o0 + ldx [%o0 + 0x010], %o1 ! prom_cif_stack + save %o1, -192, %sp + ldx [%i0 + 0x008], %l2 ! prom_cif_handler + mov %g4, %l0 + mov %g5, %l1 + mov %g6, %l3 + call %l2 + add %i0, 0x018, %o0 ! prom_args + mov %l0, %g4 + mov %l1, %g5 + mov %l3, %g6 + ret + restore + + .globl prom_cif_callback +prom_cif_callback: + sethi %hi(p1275buf), %o1 + or %o1, %lo(p1275buf), %o1 + save %sp, -192, %sp + TRAP_LOAD_THREAD_REG(%g6, %g1) + LOAD_PER_CPU_BASE(%g5, %g6, %g4, %g3, %o0) + ldx [%g6 + TI_TASK], %g4 + call prom_world + mov 0, %o0 + ldx [%i1 + 0x000], %l2 + call %l2 + mov %i0, %o0 + mov %o0, %l1 + call prom_world + mov 1, %o0 + ret + restore %l1, 0, %o0 + diff --git a/arch/sparc/prom/console.c b/arch/sparc/prom/console.c deleted file mode 100644 index b3075d73fc1..00000000000 --- a/arch/sparc/prom/console.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * console.c: Routines that deal with sending and receiving IO - * to/from the current console device using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 Pete Zaitcev - */ - -#include -#include -#include -#include -#include -#include -#include - -extern void restore_current(void); - -/* Non blocking get character from console input device, returns -1 - * if no input was taken. This can be used for polling. - */ -int -prom_nbgetchar(void) -{ - static char inc; - int i = -1; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - i = (*(romvec->pv_nbgetchar))(); - break; - case PROM_V2: - case PROM_V3: - if( (*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin , &inc, 0x1) == 1) { - i = inc; - } else { - i = -1; - } - break; - default: - i = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - -/* Non blocking put character to console device, returns -1 if - * unsuccessful. - */ -int -prom_nbputchar(char c) -{ - static char outc; - unsigned long flags; - int i = -1; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - i = (*(romvec->pv_nbputchar))(c); - break; - case PROM_V2: - case PROM_V3: - outc = c; - if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1) - i = 0; - else - i = -1; - break; - default: - i = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - -/* Blocking version of get character routine above. */ -char -prom_getchar(void) -{ - int character; - while((character = prom_nbgetchar()) == -1) ; - return (char) character; -} - -/* Blocking version of put character routine above. */ -void -prom_putchar(char c) -{ - while(prom_nbputchar(c) == -1) ; - return; -} diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c new file mode 100644 index 00000000000..b3075d73fc1 --- /dev/null +++ b/arch/sparc/prom/console_32.c @@ -0,0 +1,98 @@ +/* + * console.c: Routines that deal with sending and receiving IO + * to/from the current console device using the PROM. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1998 Pete Zaitcev + */ + +#include +#include +#include +#include +#include +#include +#include + +extern void restore_current(void); + +/* Non blocking get character from console input device, returns -1 + * if no input was taken. This can be used for polling. + */ +int +prom_nbgetchar(void) +{ + static char inc; + int i = -1; + unsigned long flags; + + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + i = (*(romvec->pv_nbgetchar))(); + break; + case PROM_V2: + case PROM_V3: + if( (*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin , &inc, 0x1) == 1) { + i = inc; + } else { + i = -1; + } + break; + default: + i = -1; + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return i; /* Ugh, we could spin forever on unsupported proms ;( */ +} + +/* Non blocking put character to console device, returns -1 if + * unsuccessful. + */ +int +prom_nbputchar(char c) +{ + static char outc; + unsigned long flags; + int i = -1; + + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + i = (*(romvec->pv_nbputchar))(c); + break; + case PROM_V2: + case PROM_V3: + outc = c; + if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1) + i = 0; + else + i = -1; + break; + default: + i = -1; + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return i; /* Ugh, we could spin forever on unsupported proms ;( */ +} + +/* Blocking version of get character routine above. */ +char +prom_getchar(void) +{ + int character; + while((character = prom_nbgetchar()) == -1) ; + return (char) character; +} + +/* Blocking version of put character routine above. */ +void +prom_putchar(char c) +{ + while(prom_nbputchar(c) == -1) ; + return; +} diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c new file mode 100644 index 00000000000..e1c3fc87484 --- /dev/null +++ b/arch/sparc/prom/console_64.c @@ -0,0 +1,74 @@ +/* console.c: Routines that deal with sending and receiving IO + * to/from the current console device using the PROM. + * + * Copyright (C) 1995 David S. Miller (davem@davemloft.net) + * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include +#include +#include +#include +#include +#include + +extern int prom_stdin, prom_stdout; + +/* Non blocking get character from console input device, returns -1 + * if no input was taken. This can be used for polling. + */ +inline int +prom_nbgetchar(void) +{ + char inc; + + if (p1275_cmd("read", P1275_ARG(1,P1275_ARG_OUT_BUF)| + P1275_INOUT(3,1), + prom_stdin, &inc, P1275_SIZE(1)) == 1) + return inc; + else + return -1; +} + +/* Non blocking put character to console device, returns -1 if + * unsuccessful. + */ +inline int +prom_nbputchar(char c) +{ + char outc; + + outc = c; + if (p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)| + P1275_INOUT(3,1), + prom_stdout, &outc, P1275_SIZE(1)) == 1) + return 0; + else + return -1; +} + +/* Blocking version of get character routine above. */ +char +prom_getchar(void) +{ + int character; + while((character = prom_nbgetchar()) == -1) ; + return (char) character; +} + +/* Blocking version of put character routine above. */ +void +prom_putchar(char c) +{ + prom_nbputchar(c); + return; +} + +void +prom_puts(const char *s, int len) +{ + p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)| + P1275_INOUT(3,1), + prom_stdout, s, P1275_SIZE(len)); +} diff --git a/arch/sparc/prom/devops.c b/arch/sparc/prom/devops.c deleted file mode 100644 index 9f1a95c91ad..00000000000 --- a/arch/sparc/prom/devops.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * devops.c: Device operations using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ -#include -#include -#include - -#include -#include - -extern void restore_current(void); - -/* Open the device described by the string 'dstr'. Returns the handle - * to that device used for subsequent operations on that device. - * Returns -1 on failure. - */ -int -prom_devopen(char *dstr) -{ - int handle; - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - handle = (*(romvec->pv_v0devops.v0_devopen))(dstr); - if(handle == 0) handle = -1; - break; - case PROM_V2: - case PROM_V3: - handle = (*(romvec->pv_v2devops.v2_dev_open))(dstr); - break; - default: - handle = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return handle; -} - -/* Close the device described by device handle 'dhandle'. */ -int -prom_devclose(int dhandle) -{ - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - (*(romvec->pv_v0devops.v0_devclose))(dhandle); - break; - case PROM_V2: - case PROM_V3: - (*(romvec->pv_v2devops.v2_dev_close))(dhandle); - break; - default: - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return 0; -} - -/* Seek to specified location described by 'seekhi' and 'seeklo' - * for device 'dhandle'. - */ -void -prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) -{ - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - (*(romvec->pv_v0devops.v0_seekdev))(dhandle, seekhi, seeklo); - break; - case PROM_V2: - case PROM_V3: - (*(romvec->pv_v2devops.v2_dev_seek))(dhandle, seekhi, seeklo); - break; - default: - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return; -} diff --git a/arch/sparc/prom/devops_32.c b/arch/sparc/prom/devops_32.c new file mode 100644 index 00000000000..9f1a95c91ad --- /dev/null +++ b/arch/sparc/prom/devops_32.c @@ -0,0 +1,89 @@ +/* + * devops.c: Device operations using the PROM. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ +#include +#include +#include + +#include +#include + +extern void restore_current(void); + +/* Open the device described by the string 'dstr'. Returns the handle + * to that device used for subsequent operations on that device. + * Returns -1 on failure. + */ +int +prom_devopen(char *dstr) +{ + int handle; + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + handle = (*(romvec->pv_v0devops.v0_devopen))(dstr); + if(handle == 0) handle = -1; + break; + case PROM_V2: + case PROM_V3: + handle = (*(romvec->pv_v2devops.v2_dev_open))(dstr); + break; + default: + handle = -1; + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return handle; +} + +/* Close the device described by device handle 'dhandle'. */ +int +prom_devclose(int dhandle) +{ + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + (*(romvec->pv_v0devops.v0_devclose))(dhandle); + break; + case PROM_V2: + case PROM_V3: + (*(romvec->pv_v2devops.v2_dev_close))(dhandle); + break; + default: + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return 0; +} + +/* Seek to specified location described by 'seekhi' and 'seeklo' + * for device 'dhandle'. + */ +void +prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) +{ + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + (*(romvec->pv_v0devops.v0_seekdev))(dhandle, seekhi, seeklo); + break; + case PROM_V2: + case PROM_V3: + (*(romvec->pv_v2devops.v2_dev_seek))(dhandle, seekhi, seeklo); + break; + default: + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return; +} diff --git a/arch/sparc/prom/devops_64.c b/arch/sparc/prom/devops_64.c new file mode 100644 index 00000000000..9dbd803e46e --- /dev/null +++ b/arch/sparc/prom/devops_64.c @@ -0,0 +1,41 @@ +/* + * devops.c: Device operations using the PROM. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ +#include +#include +#include + +#include +#include + +/* Open the device described by the string 'dstr'. Returns the handle + * to that device used for subsequent operations on that device. + * Returns 0 on failure. + */ +int +prom_devopen(const char *dstr) +{ + return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)| + P1275_INOUT(1,1), + dstr); +} + +/* Close the device described by device handle 'dhandle'. */ +int +prom_devclose(int dhandle) +{ + p1275_cmd ("close", P1275_INOUT(1,0), dhandle); + return 0; +} + +/* Seek to specified location described by 'seekhi' and 'seeklo' + * for device 'dhandle'. + */ +void +prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) +{ + p1275_cmd ("seek", P1275_INOUT(3,1), dhandle, seekhi, seeklo); +} diff --git a/arch/sparc/prom/init.c b/arch/sparc/prom/init.c deleted file mode 100644 index 873217c6d82..00000000000 --- a/arch/sparc/prom/init.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * init.c: Initialize internal variables used by the PROM - * library functions. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include -#include - -#include -#include - -struct linux_romvec *romvec; -enum prom_major_version prom_vers; -unsigned int prom_rev, prom_prev; - -/* The root node of the prom device tree. */ -int prom_root_node; - -/* Pointer to the device tree operations structure. */ -struct linux_nodeops *prom_nodeops; - -/* You must call prom_init() before you attempt to use any of the - * routines in the prom library. It returns 0 on success, 1 on - * failure. It gets passed the pointer to the PROM vector. - */ - -extern void prom_meminit(void); -extern void prom_ranges_init(void); - -void __init prom_init(struct linux_romvec *rp) -{ - romvec = rp; - - switch(romvec->pv_romvers) { - case 0: - prom_vers = PROM_V0; - break; - case 2: - prom_vers = PROM_V2; - break; - case 3: - prom_vers = PROM_V3; - break; - default: - prom_printf("PROMLIB: Bad PROM version %d\n", - romvec->pv_romvers); - prom_halt(); - break; - }; - - prom_rev = romvec->pv_plugin_revision; - prom_prev = romvec->pv_printrev; - prom_nodeops = romvec->pv_nodeops; - - prom_root_node = prom_getsibling(0); - if((prom_root_node == 0) || (prom_root_node == -1)) - prom_halt(); - - if((((unsigned long) prom_nodeops) == 0) || - (((unsigned long) prom_nodeops) == -1)) - prom_halt(); - - prom_meminit(); - - prom_ranges_init(); - - printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n", - romvec->pv_romvers, prom_rev); - - /* Initialization successful. */ - return; -} diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c new file mode 100644 index 00000000000..6193c33ed4d --- /dev/null +++ b/arch/sparc/prom/init_32.c @@ -0,0 +1,79 @@ +/* + * init.c: Initialize internal variables used by the PROM + * library functions. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include +#include + +#include +#include + +struct linux_romvec *romvec; +EXPORT_SYMBOL(romvec); + +enum prom_major_version prom_vers; +unsigned int prom_rev, prom_prev; + +/* The root node of the prom device tree. */ +int prom_root_node; +EXPORT_SYMBOL(prom_root_node); + +/* Pointer to the device tree operations structure. */ +struct linux_nodeops *prom_nodeops; + +/* You must call prom_init() before you attempt to use any of the + * routines in the prom library. It returns 0 on success, 1 on + * failure. It gets passed the pointer to the PROM vector. + */ + +extern void prom_meminit(void); +extern void prom_ranges_init(void); + +void __init prom_init(struct linux_romvec *rp) +{ + romvec = rp; + + switch(romvec->pv_romvers) { + case 0: + prom_vers = PROM_V0; + break; + case 2: + prom_vers = PROM_V2; + break; + case 3: + prom_vers = PROM_V3; + break; + default: + prom_printf("PROMLIB: Bad PROM version %d\n", + romvec->pv_romvers); + prom_halt(); + break; + }; + + prom_rev = romvec->pv_plugin_revision; + prom_prev = romvec->pv_printrev; + prom_nodeops = romvec->pv_nodeops; + + prom_root_node = prom_getsibling(0); + if((prom_root_node == 0) || (prom_root_node == -1)) + prom_halt(); + + if((((unsigned long) prom_nodeops) == 0) || + (((unsigned long) prom_nodeops) == -1)) + prom_halt(); + + prom_meminit(); + + prom_ranges_init(); + + printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n", + romvec->pv_romvers, prom_rev); + + /* Initialization successful. */ + return; +} diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c new file mode 100644 index 00000000000..7b00f89490a --- /dev/null +++ b/arch/sparc/prom/init_64.c @@ -0,0 +1,57 @@ +/* + * init.c: Initialize internal variables used by the PROM + * library functions. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include +#include +#include + +#include +#include + +/* OBP version string. */ +char prom_version[80]; + +/* The root node of the prom device tree. */ +int prom_stdin, prom_stdout; +int prom_chosen_node; + +/* You must call prom_init() before you attempt to use any of the + * routines in the prom library. It returns 0 on success, 1 on + * failure. It gets passed the pointer to the PROM vector. + */ + +extern void prom_cif_init(void *, void *); + +void __init prom_init(void *cif_handler, void *cif_stack) +{ + int node; + + prom_cif_init(cif_handler, cif_stack); + + prom_chosen_node = prom_finddevice(prom_chosen_path); + if (!prom_chosen_node || prom_chosen_node == -1) + prom_halt(); + + prom_stdin = prom_getint(prom_chosen_node, "stdin"); + prom_stdout = prom_getint(prom_chosen_node, "stdout"); + + node = prom_finddevice("/openprom"); + if (!node || node == -1) + prom_halt(); + + prom_getstring(node, "version", prom_version, sizeof(prom_version)); + + prom_printf("\n"); +} + +void __init prom_init_report(void) +{ + printk("PROMLIB: Sun IEEE Boot Prom '%s'\n", prom_version); + printk("PROMLIB: Root node compatible: %s\n", prom_root_compatible); +} diff --git a/arch/sparc/prom/misc.c b/arch/sparc/prom/misc.c deleted file mode 100644 index 49b5057b960..00000000000 --- a/arch/sparc/prom/misc.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * misc.c: Miscellaneous prom functions that don't belong - * anywhere else. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#include -#include -#include -#include -#include -#include -#include - -extern void restore_current(void); - -DEFINE_SPINLOCK(prom_lock); - -/* Reset and reboot the machine with the command 'bcommand'. */ -void -prom_reboot(char *bcommand) -{ - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - (*(romvec->pv_reboot))(bcommand); - /* Never get here. */ - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); -} - -/* Forth evaluate the expression contained in 'fstring'. */ -void -prom_feval(char *fstring) -{ - unsigned long flags; - if(!fstring || fstring[0] == 0) - return; - spin_lock_irqsave(&prom_lock, flags); - if(prom_vers == PROM_V0) - (*(romvec->pv_fortheval.v0_eval))(strlen(fstring), fstring); - else - (*(romvec->pv_fortheval.v2_eval))(fstring); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); -} - -/* Drop into the prom, with the chance to continue with the 'go' - * prom command. - */ -void -prom_cmdline(void) -{ - extern void install_obp_ticker(void); - extern void install_linux_ticker(void); - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - install_obp_ticker(); - (*(romvec->pv_abort))(); - restore_current(); - install_linux_ticker(); - spin_unlock_irqrestore(&prom_lock, flags); -#ifdef CONFIG_SUN_AUXIO - set_auxio(AUXIO_LED, 0); -#endif -} - -/* Drop into the prom, but completely terminate the program. - * No chance of continuing. - */ -void -prom_halt(void) -{ - unsigned long flags; -again: - spin_lock_irqsave(&prom_lock, flags); - (*(romvec->pv_halt))(); - /* Never get here. */ - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - goto again; /* PROM is out to get me -DaveM */ -} - -typedef void (*sfunc_t)(void); - -/* Set prom sync handler to call function 'funcp'. */ -void -prom_setsync(sfunc_t funcp) -{ - if(!funcp) return; - *romvec->pv_synchook = funcp; -} - -/* Get the idprom and stuff it into buffer 'idbuf'. Returns the - * format type. 'num_bytes' is the number of bytes that your idbuf - * has space for. Returns 0xff on error. - */ -unsigned char -prom_get_idprom(char *idbuf, int num_bytes) -{ - int len; - - len = prom_getproplen(prom_root_node, "idprom"); - if((len>num_bytes) || (len==-1)) return 0xff; - if(!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes)) - return idbuf[0]; - - return 0xff; -} - -/* Get the major prom version number. */ -int -prom_version(void) -{ - return romvec->pv_romvers; -} - -/* Get the prom plugin-revision. */ -int -prom_getrev(void) -{ - return prom_rev; -} - -/* Get the prom firmware print revision. */ -int -prom_getprev(void) -{ - return prom_prev; -} diff --git a/arch/sparc/prom/misc_32.c b/arch/sparc/prom/misc_32.c new file mode 100644 index 00000000000..4d61c540bb3 --- /dev/null +++ b/arch/sparc/prom/misc_32.c @@ -0,0 +1,132 @@ +/* + * misc.c: Miscellaneous prom functions that don't belong + * anywhere else. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#include +#include +#include +#include + +#include +#include +#include +#include + +extern void restore_current(void); + +DEFINE_SPINLOCK(prom_lock); + +/* Reset and reboot the machine with the command 'bcommand'. */ +void +prom_reboot(char *bcommand) +{ + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + (*(romvec->pv_reboot))(bcommand); + /* Never get here. */ + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); +} + +/* Forth evaluate the expression contained in 'fstring'. */ +void +prom_feval(char *fstring) +{ + unsigned long flags; + if(!fstring || fstring[0] == 0) + return; + spin_lock_irqsave(&prom_lock, flags); + if(prom_vers == PROM_V0) + (*(romvec->pv_fortheval.v0_eval))(strlen(fstring), fstring); + else + (*(romvec->pv_fortheval.v2_eval))(fstring); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); +} +EXPORT_SYMBOL(prom_feval); + +/* Drop into the prom, with the chance to continue with the 'go' + * prom command. + */ +void +prom_cmdline(void) +{ + extern void install_obp_ticker(void); + extern void install_linux_ticker(void); + unsigned long flags; + + spin_lock_irqsave(&prom_lock, flags); + install_obp_ticker(); + (*(romvec->pv_abort))(); + restore_current(); + install_linux_ticker(); + spin_unlock_irqrestore(&prom_lock, flags); + set_auxio(AUXIO_LED, 0); +} + +/* Drop into the prom, but completely terminate the program. + * No chance of continuing. + */ +void +prom_halt(void) +{ + unsigned long flags; +again: + spin_lock_irqsave(&prom_lock, flags); + (*(romvec->pv_halt))(); + /* Never get here. */ + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + goto again; /* PROM is out to get me -DaveM */ +} + +typedef void (*sfunc_t)(void); + +/* Set prom sync handler to call function 'funcp'. */ +void +prom_setsync(sfunc_t funcp) +{ + if(!funcp) return; + *romvec->pv_synchook = funcp; +} + +/* Get the idprom and stuff it into buffer 'idbuf'. Returns the + * format type. 'num_bytes' is the number of bytes that your idbuf + * has space for. Returns 0xff on error. + */ +unsigned char +prom_get_idprom(char *idbuf, int num_bytes) +{ + int len; + + len = prom_getproplen(prom_root_node, "idprom"); + if((len>num_bytes) || (len==-1)) return 0xff; + if(!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes)) + return idbuf[0]; + + return 0xff; +} + +/* Get the major prom version number. */ +int +prom_version(void) +{ + return romvec->pv_romvers; +} + +/* Get the prom plugin-revision. */ +int +prom_getrev(void) +{ + return prom_rev; +} + +/* Get the prom firmware print revision. */ +int +prom_getprev(void) +{ + return prom_prev; +} diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c new file mode 100644 index 00000000000..eedffb4fec2 --- /dev/null +++ b/arch/sparc/prom/misc_64.c @@ -0,0 +1,338 @@ +/* + * misc.c: Miscellaneous prom functions that don't belong + * anywhere else. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +int prom_service_exists(const char *service_name) +{ + int err = p1275_cmd("test", P1275_ARG(0, P1275_ARG_IN_STRING) | + P1275_INOUT(1, 1), service_name); + + if (err) + return 0; + return 1; +} + +void prom_sun4v_guest_soft_state(void) +{ + const char *svc = "SUNW,soft-state-supported"; + + if (!prom_service_exists(svc)) + return; + p1275_cmd(svc, P1275_INOUT(0, 0)); +} + +/* Reset and reboot the machine with the command 'bcommand'. */ +void prom_reboot(const char *bcommand) +{ +#ifdef CONFIG_SUN_LDOMS + if (ldom_domaining_enabled) + ldom_reboot(bcommand); +#endif + p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) | + P1275_INOUT(1, 0), bcommand); +} + +/* Forth evaluate the expression contained in 'fstring'. */ +void prom_feval(const char *fstring) +{ + if (!fstring || fstring[0] == 0) + return; + p1275_cmd("interpret", P1275_ARG(0, P1275_ARG_IN_STRING) | + P1275_INOUT(1, 1), fstring); +} +EXPORT_SYMBOL(prom_feval); + +#ifdef CONFIG_SMP +extern void smp_capture(void); +extern void smp_release(void); +#endif + +/* Drop into the prom, with the chance to continue with the 'go' + * prom command. + */ +void prom_cmdline(void) +{ + unsigned long flags; + + local_irq_save(flags); + +#ifdef CONFIG_SMP + smp_capture(); +#endif + + p1275_cmd("enter", P1275_INOUT(0, 0)); + +#ifdef CONFIG_SMP + smp_release(); +#endif + + local_irq_restore(flags); +} + +/* Drop into the prom, but completely terminate the program. + * No chance of continuing. + */ +void prom_halt(void) +{ +#ifdef CONFIG_SUN_LDOMS + if (ldom_domaining_enabled) + ldom_power_off(); +#endif +again: + p1275_cmd("exit", P1275_INOUT(0, 0)); + goto again; /* PROM is out to get me -DaveM */ +} + +void prom_halt_power_off(void) +{ +#ifdef CONFIG_SUN_LDOMS + if (ldom_domaining_enabled) + ldom_power_off(); +#endif + p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0)); + + /* if nothing else helps, we just halt */ + prom_halt(); +} + +/* Set prom sync handler to call function 'funcp'. */ +void prom_setcallback(callback_func_t funcp) +{ + if (!funcp) + return; + p1275_cmd("set-callback", P1275_ARG(0, P1275_ARG_IN_FUNCTION) | + P1275_INOUT(1, 1), funcp); +} + +/* Get the idprom and stuff it into buffer 'idbuf'. Returns the + * format type. 'num_bytes' is the number of bytes that your idbuf + * has space for. Returns 0xff on error. + */ +unsigned char prom_get_idprom(char *idbuf, int num_bytes) +{ + int len; + + len = prom_getproplen(prom_root_node, "idprom"); + if ((len >num_bytes) || (len == -1)) + return 0xff; + if (!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes)) + return idbuf[0]; + + return 0xff; +} + +int prom_get_mmu_ihandle(void) +{ + int node, ret; + + if (prom_mmu_ihandle_cache != 0) + return prom_mmu_ihandle_cache; + + node = prom_finddevice(prom_chosen_path); + ret = prom_getint(node, prom_mmu_name); + if (ret == -1 || ret == 0) + prom_mmu_ihandle_cache = -1; + else + prom_mmu_ihandle_cache = ret; + + return ret; +} + +static int prom_get_memory_ihandle(void) +{ + static int memory_ihandle_cache; + int node, ret; + + if (memory_ihandle_cache != 0) + return memory_ihandle_cache; + + node = prom_finddevice("/chosen"); + ret = prom_getint(node, "memory"); + if (ret == -1 || ret == 0) + memory_ihandle_cache = -1; + else + memory_ihandle_cache = ret; + + return ret; +} + +/* Load explicit I/D TLB entries. */ +long prom_itlb_load(unsigned long index, + unsigned long tte_data, + unsigned long vaddr) +{ + return p1275_cmd(prom_callmethod_name, + (P1275_ARG(0, P1275_ARG_IN_STRING) | + P1275_ARG(2, P1275_ARG_IN_64B) | + P1275_ARG(3, P1275_ARG_IN_64B) | + P1275_INOUT(5, 1)), + "SUNW,itlb-load", + prom_get_mmu_ihandle(), + /* And then our actual args are pushed backwards. */ + vaddr, + tte_data, + index); +} + +long prom_dtlb_load(unsigned long index, + unsigned long tte_data, + unsigned long vaddr) +{ + return p1275_cmd(prom_callmethod_name, + (P1275_ARG(0, P1275_ARG_IN_STRING) | + P1275_ARG(2, P1275_ARG_IN_64B) | + P1275_ARG(3, P1275_ARG_IN_64B) | + P1275_INOUT(5, 1)), + "SUNW,dtlb-load", + prom_get_mmu_ihandle(), + /* And then our actual args are pushed backwards. */ + vaddr, + tte_data, + index); +} + +int prom_map(int mode, unsigned long size, + unsigned long vaddr, unsigned long paddr) +{ + int ret = p1275_cmd(prom_callmethod_name, + (P1275_ARG(0, P1275_ARG_IN_STRING) | + P1275_ARG(3, P1275_ARG_IN_64B) | + P1275_ARG(4, P1275_ARG_IN_64B) | + P1275_ARG(6, P1275_ARG_IN_64B) | + P1275_INOUT(7, 1)), + prom_map_name, + prom_get_mmu_ihandle(), + mode, + size, + vaddr, + 0, + paddr); + + if (ret == 0) + ret = -1; + return ret; +} + +void prom_unmap(unsigned long size, unsigned long vaddr) +{ + p1275_cmd(prom_callmethod_name, + (P1275_ARG(0, P1275_ARG_IN_STRING) | + P1275_ARG(2, P1275_ARG_IN_64B) | + P1275_ARG(3, P1275_ARG_IN_64B) | + P1275_INOUT(4, 0)), + prom_unmap_name, + prom_get_mmu_ihandle(), + size, + vaddr); +} + +/* Set aside physical memory which is not touched or modified + * across soft resets. + */ +unsigned long prom_retain(const char *name, + unsigned long pa_low, unsigned long pa_high, + long size, long align) +{ + /* XXX I don't think we return multiple values correctly. + * XXX OBP supposedly returns pa_low/pa_high here, how does + * XXX it work? + */ + + /* If align is zero, the pa_low/pa_high args are passed, + * else they are not. + */ + if (align == 0) + return p1275_cmd("SUNW,retain", + (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(5, 2)), + name, pa_low, pa_high, size, align); + else + return p1275_cmd("SUNW,retain", + (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(3, 2)), + name, size, align); +} + +/* Get "Unumber" string for the SIMM at the given + * memory address. Usually this will be of the form + * "Uxxxx" where xxxx is a decimal number which is + * etched into the motherboard next to the SIMM slot + * in question. + */ +int prom_getunumber(int syndrome_code, + unsigned long phys_addr, + char *buf, int buflen) +{ + return p1275_cmd(prom_callmethod_name, + (P1275_ARG(0, P1275_ARG_IN_STRING) | + P1275_ARG(3, P1275_ARG_OUT_BUF) | + P1275_ARG(6, P1275_ARG_IN_64B) | + P1275_INOUT(8, 2)), + "SUNW,get-unumber", prom_get_memory_ihandle(), + buflen, buf, P1275_SIZE(buflen), + 0, phys_addr, syndrome_code); +} + +/* Power management extensions. */ +void prom_sleepself(void) +{ + p1275_cmd("SUNW,sleep-self", P1275_INOUT(0, 0)); +} + +int prom_sleepsystem(void) +{ + return p1275_cmd("SUNW,sleep-system", P1275_INOUT(0, 1)); +} + +int prom_wakeupsystem(void) +{ + return p1275_cmd("SUNW,wakeup-system", P1275_INOUT(0, 1)); +} + +#ifdef CONFIG_SMP +void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg) +{ + p1275_cmd("SUNW,start-cpu", P1275_INOUT(3, 0), cpunode, pc, arg); +} + +void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg) +{ + p1275_cmd("SUNW,start-cpu-by-cpuid", P1275_INOUT(3, 0), + cpuid, pc, arg); +} + +void prom_stopcpu_cpuid(int cpuid) +{ + p1275_cmd("SUNW,stop-cpu-by-cpuid", P1275_INOUT(1, 0), + cpuid); +} + +void prom_stopself(void) +{ + p1275_cmd("SUNW,stop-self", P1275_INOUT(0, 0)); +} + +void prom_idleself(void) +{ + p1275_cmd("SUNW,idle-self", P1275_INOUT(0, 0)); +} + +void prom_resumecpu(int cpunode) +{ + p1275_cmd("SUNW,resume-cpu", P1275_INOUT(1, 0), cpunode); +} +#endif diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c new file mode 100644 index 00000000000..4b7c937bba6 --- /dev/null +++ b/arch/sparc/prom/p1275.c @@ -0,0 +1,151 @@ +/* + * p1275.c: Sun IEEE 1275 PROM low level interface routines + * + * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +struct { + long prom_callback; /* 0x00 */ + void (*prom_cif_handler)(long *); /* 0x08 */ + unsigned long prom_cif_stack; /* 0x10 */ + unsigned long prom_args [23]; /* 0x18 */ + char prom_buffer [3000]; +} p1275buf; + +extern void prom_world(int); + +extern void prom_cif_interface(void); +extern void prom_cif_callback(void); + +/* + * This provides SMP safety on the p1275buf. prom_callback() drops this lock + * to allow recursuve acquisition. + */ +DEFINE_SPINLOCK(prom_entry_lock); + +long p1275_cmd(const char *service, long fmt, ...) +{ + char *p, *q; + unsigned long flags; + int nargs, nrets, i; + va_list list; + long attrs, x; + + p = p1275buf.prom_buffer; + + spin_lock_irqsave(&prom_entry_lock, flags); + + p1275buf.prom_args[0] = (unsigned long)p; /* service */ + strcpy (p, service); + p = (char *)(((long)(strchr (p, 0) + 8)) & ~7); + p1275buf.prom_args[1] = nargs = (fmt & 0x0f); /* nargs */ + p1275buf.prom_args[2] = nrets = ((fmt & 0xf0) >> 4); /* nrets */ + attrs = fmt >> 8; + va_start(list, fmt); + for (i = 0; i < nargs; i++, attrs >>= 3) { + switch (attrs & 0x7) { + case P1275_ARG_NUMBER: + p1275buf.prom_args[i + 3] = + (unsigned)va_arg(list, long); + break; + case P1275_ARG_IN_64B: + p1275buf.prom_args[i + 3] = + va_arg(list, unsigned long); + break; + case P1275_ARG_IN_STRING: + strcpy (p, va_arg(list, char *)); + p1275buf.prom_args[i + 3] = (unsigned long)p; + p = (char *)(((long)(strchr (p, 0) + 8)) & ~7); + break; + case P1275_ARG_OUT_BUF: + (void) va_arg(list, char *); + p1275buf.prom_args[i + 3] = (unsigned long)p; + x = va_arg(list, long); + i++; attrs >>= 3; + p = (char *)(((long)(p + (int)x + 7)) & ~7); + p1275buf.prom_args[i + 3] = x; + break; + case P1275_ARG_IN_BUF: + q = va_arg(list, char *); + p1275buf.prom_args[i + 3] = (unsigned long)p; + x = va_arg(list, long); + i++; attrs >>= 3; + memcpy (p, q, (int)x); + p = (char *)(((long)(p + (int)x + 7)) & ~7); + p1275buf.prom_args[i + 3] = x; + break; + case P1275_ARG_OUT_32B: + (void) va_arg(list, char *); + p1275buf.prom_args[i + 3] = (unsigned long)p; + p += 32; + break; + case P1275_ARG_IN_FUNCTION: + p1275buf.prom_args[i + 3] = + (unsigned long)prom_cif_callback; + p1275buf.prom_callback = va_arg(list, long); + break; + } + } + va_end(list); + + prom_world(1); + prom_cif_interface(); + prom_world(0); + + attrs = fmt >> 8; + va_start(list, fmt); + for (i = 0; i < nargs; i++, attrs >>= 3) { + switch (attrs & 0x7) { + case P1275_ARG_NUMBER: + (void) va_arg(list, long); + break; + case P1275_ARG_IN_STRING: + (void) va_arg(list, char *); + break; + case P1275_ARG_IN_FUNCTION: + (void) va_arg(list, long); + break; + case P1275_ARG_IN_BUF: + (void) va_arg(list, char *); + (void) va_arg(list, long); + i++; attrs >>= 3; + break; + case P1275_ARG_OUT_BUF: + p = va_arg(list, char *); + x = va_arg(list, long); + memcpy (p, (char *)(p1275buf.prom_args[i + 3]), (int)x); + i++; attrs >>= 3; + break; + case P1275_ARG_OUT_32B: + p = va_arg(list, char *); + memcpy (p, (char *)(p1275buf.prom_args[i + 3]), 32); + break; + } + } + va_end(list); + x = p1275buf.prom_args [nargs + 3]; + + spin_unlock_irqrestore(&prom_entry_lock, flags); + + return x; +} + +void prom_cif_init(void *cif_handler, void *cif_stack) +{ + p1275buf.prom_cif_handler = (void (*)(long *))cif_handler; + p1275buf.prom_cif_stack = (unsigned long)cif_stack; +} diff --git a/arch/sparc/prom/printf.c b/arch/sparc/prom/printf.c index a36ab9c5ee0..660943ee4c2 100644 --- a/arch/sparc/prom/printf.c +++ b/arch/sparc/prom/printf.c @@ -2,6 +2,7 @@ * printf.c: Internal prom library printf facility. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) * Copyright (c) 2002 Pete Zaitcev (zaitcev@yahoo.com) * * We used to warn all over the code: DO NOT USE prom_printf(), @@ -13,7 +14,6 @@ */ #include -#include #include #include @@ -34,7 +34,7 @@ prom_write(const char *buf, unsigned int n) } void -prom_printf(char *fmt, ...) +prom_printf(const char *fmt, ...) { va_list args; int i; @@ -45,4 +45,3 @@ prom_printf(char *fmt, ...) prom_write(ppbuf, i); } -EXPORT_SYMBOL(prom_printf); diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c index 64579a37641..cd5790853ff 100644 --- a/arch/sparc/prom/ranges.c +++ b/arch/sparc/prom/ranges.c @@ -6,6 +6,8 @@ */ #include +#include + #include #include #include @@ -62,6 +64,7 @@ prom_apply_obio_ranges(struct linux_prom_registers *regs, int nregs) if(num_obio_ranges) prom_adjust_regs(regs, nregs, promlib_obio_ranges, num_obio_ranges); } +EXPORT_SYMBOL(prom_apply_obio_ranges); void __init prom_ranges_init(void) { diff --git a/arch/sparc/prom/tree.c b/arch/sparc/prom/tree.c deleted file mode 100644 index f228fe057b2..00000000000 --- a/arch/sparc/prom/tree.c +++ /dev/null @@ -1,346 +0,0 @@ -/* - * tree.c: Basic device tree traversal/scanning for the Linux - * prom library. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#define PROMLIB_INTERNAL - -#include -#include -#include -#include -#include - -#include -#include - -extern void restore_current(void); - -static char promlib_buf[128]; - -/* Internal version of prom_getchild that does not alter return values. */ -int __prom_getchild(int node) -{ - unsigned long flags; - int cnode; - - spin_lock_irqsave(&prom_lock, flags); - cnode = prom_nodeops->no_child(node); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return cnode; -} - -/* Return the child of node 'node' or zero if no this node has no - * direct descendent. - */ -int prom_getchild(int node) -{ - int cnode; - - if (node == -1) - return 0; - - cnode = __prom_getchild(node); - if (cnode == 0 || cnode == -1) - return 0; - - return cnode; -} - -/* Internal version of prom_getsibling that does not alter return values. */ -int __prom_getsibling(int node) -{ - unsigned long flags; - int cnode; - - spin_lock_irqsave(&prom_lock, flags); - cnode = prom_nodeops->no_nextnode(node); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return cnode; -} - -/* Return the next sibling of node 'node' or zero if no more siblings - * at this level of depth in the tree. - */ -int prom_getsibling(int node) -{ - int sibnode; - - if (node == -1) - return 0; - - sibnode = __prom_getsibling(node); - if (sibnode == 0 || sibnode == -1) - return 0; - - return sibnode; -} - -/* Return the length in bytes of property 'prop' at node 'node'. - * Return -1 on error. - */ -int prom_getproplen(int node, char *prop) -{ - int ret; - unsigned long flags; - - if((!node) || (!prop)) - return -1; - - spin_lock_irqsave(&prom_lock, flags); - ret = prom_nodeops->no_proplen(node, prop); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return ret; -} - -/* Acquire a property 'prop' at node 'node' and place it in - * 'buffer' which has a size of 'bufsize'. If the acquisition - * was successful the length will be returned, else -1 is returned. - */ -int prom_getproperty(int node, char *prop, char *buffer, int bufsize) -{ - int plen, ret; - unsigned long flags; - - plen = prom_getproplen(node, prop); - if((plen > bufsize) || (plen == 0) || (plen == -1)) - return -1; - /* Ok, things seem all right. */ - spin_lock_irqsave(&prom_lock, flags); - ret = prom_nodeops->no_getprop(node, prop, buffer); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return ret; -} - -/* Acquire an integer property and return its value. Returns -1 - * on failure. - */ -int prom_getint(int node, char *prop) -{ - static int intprop; - - if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1) - return intprop; - - return -1; -} - -/* Acquire an integer property, upon error return the passed default - * integer. - */ -int prom_getintdefault(int node, char *property, int deflt) -{ - int retval; - - retval = prom_getint(node, property); - if(retval == -1) return deflt; - - return retval; -} - -/* Acquire a boolean property, 1=TRUE 0=FALSE. */ -int prom_getbool(int node, char *prop) -{ - int retval; - - retval = prom_getproplen(node, prop); - if(retval == -1) return 0; - return 1; -} - -/* Acquire a property whose value is a string, returns a null - * string on error. The char pointer is the user supplied string - * buffer. - */ -void prom_getstring(int node, char *prop, char *user_buf, int ubuf_size) -{ - int len; - - len = prom_getproperty(node, prop, user_buf, ubuf_size); - if(len != -1) return; - user_buf[0] = 0; - return; -} - - -/* Does the device at node 'node' have name 'name'? - * YES = 1 NO = 0 - */ -int prom_nodematch(int node, char *name) -{ - int error; - - static char namebuf[128]; - error = prom_getproperty(node, "name", namebuf, sizeof(namebuf)); - if (error == -1) return 0; - if(strcmp(namebuf, name) == 0) return 1; - return 0; -} - -/* Search siblings at 'node_start' for a node with name - * 'nodename'. Return node if successful, zero if not. - */ -int prom_searchsiblings(int node_start, char *nodename) -{ - - int thisnode, error; - - for(thisnode = node_start; thisnode; - thisnode=prom_getsibling(thisnode)) { - error = prom_getproperty(thisnode, "name", promlib_buf, - sizeof(promlib_buf)); - /* Should this ever happen? */ - if(error == -1) continue; - if(strcmp(nodename, promlib_buf)==0) return thisnode; - } - - return 0; -} - -/* Interal version of nextprop that does not alter return values. */ -char * __prom_nextprop(int node, char * oprop) -{ - unsigned long flags; - char *prop; - - spin_lock_irqsave(&prom_lock, flags); - prop = prom_nodeops->no_nextprop(node, oprop); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return prop; -} - -/* Return the first property name for node 'node'. */ -/* buffer is unused argument, but as v9 uses it, we need to have the same interface */ -char * prom_firstprop(int node, char *bufer) -{ - if (node == 0 || node == -1) - return ""; - - return __prom_nextprop(node, ""); -} - -/* Return the property type string after property type 'oprop' - * at node 'node' . Returns empty string if no more - * property types for this node. - */ -char * prom_nextprop(int node, char *oprop, char *buffer) -{ - if (node == 0 || node == -1) - return ""; - - return __prom_nextprop(node, oprop); -} - -int prom_finddevice(char *name) -{ - char nbuf[128]; - char *s = name, *d; - int node = prom_root_node, node2; - unsigned int which_io, phys_addr; - struct linux_prom_registers reg[PROMREG_MAX]; - - while (*s++) { - if (!*s) return node; /* path '.../' is legal */ - node = prom_getchild(node); - - for (d = nbuf; *s != 0 && *s != '@' && *s != '/';) - *d++ = *s++; - *d = 0; - - node = prom_searchsiblings(node, nbuf); - if (!node) - return 0; - - if (*s == '@') { - if (isxdigit(s[1]) && s[2] == ',') { - which_io = simple_strtoul(s+1, NULL, 16); - phys_addr = simple_strtoul(s+3, &d, 16); - if (d != s + 3 && (!*d || *d == '/') - && d <= s + 3 + 8) { - node2 = node; - while (node2 && node2 != -1) { - if (prom_getproperty (node2, "reg", (char *)reg, sizeof (reg)) > 0) { - if (which_io == reg[0].which_io && phys_addr == reg[0].phys_addr) { - node = node2; - break; - } - } - node2 = prom_getsibling(node2); - if (!node2 || node2 == -1) - break; - node2 = prom_searchsiblings(prom_getsibling(node2), nbuf); - } - } - } - while (*s != 0 && *s != '/') s++; - } - } - return node; -} - -int prom_node_has_property(int node, char *prop) -{ - char *current_property = ""; - - do { - current_property = prom_nextprop(node, current_property, NULL); - if(!strcmp(current_property, prop)) - return 1; - } while (*current_property); - return 0; -} - -/* Set property 'pname' at node 'node' to value 'value' which has a length - * of 'size' bytes. Return the number of bytes the prom accepted. - */ -int prom_setprop(int node, char *pname, char *value, int size) -{ - unsigned long flags; - int ret; - - if(size == 0) return 0; - if((pname == 0) || (value == 0)) return 0; - spin_lock_irqsave(&prom_lock, flags); - ret = prom_nodeops->no_setprop(node, pname, value, size); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return ret; -} - -int prom_inst2pkg(int inst) -{ - int node; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - node = (*romvec->pv_v2devops.v2_inst2pkg)(inst); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - if (node == -1) return 0; - return node; -} - -/* Return 'node' assigned to a particular prom 'path' - * FIXME: Should work for v0 as well - */ -int prom_pathtoinode(char *path) -{ - int node, inst; - - inst = prom_devopen (path); - if (inst == -1) return 0; - node = prom_inst2pkg (inst); - prom_devclose (inst); - if (node == -1) return 0; - return node; -} diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c new file mode 100644 index 00000000000..646d244b1fd --- /dev/null +++ b/arch/sparc/prom/tree_32.c @@ -0,0 +1,359 @@ +/* + * tree.c: Basic device tree traversal/scanning for the Linux + * prom library. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#include +#include +#include +#include +#include +#include + +#include +#include + +extern void restore_current(void); + +static char promlib_buf[128]; + +/* Internal version of prom_getchild that does not alter return values. */ +int __prom_getchild(int node) +{ + unsigned long flags; + int cnode; + + spin_lock_irqsave(&prom_lock, flags); + cnode = prom_nodeops->no_child(node); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return cnode; +} + +/* Return the child of node 'node' or zero if no this node has no + * direct descendent. + */ +int prom_getchild(int node) +{ + int cnode; + + if (node == -1) + return 0; + + cnode = __prom_getchild(node); + if (cnode == 0 || cnode == -1) + return 0; + + return cnode; +} +EXPORT_SYMBOL(prom_getchild); + +/* Internal version of prom_getsibling that does not alter return values. */ +int __prom_getsibling(int node) +{ + unsigned long flags; + int cnode; + + spin_lock_irqsave(&prom_lock, flags); + cnode = prom_nodeops->no_nextnode(node); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return cnode; +} + +/* Return the next sibling of node 'node' or zero if no more siblings + * at this level of depth in the tree. + */ +int prom_getsibling(int node) +{ + int sibnode; + + if (node == -1) + return 0; + + sibnode = __prom_getsibling(node); + if (sibnode == 0 || sibnode == -1) + return 0; + + return sibnode; +} +EXPORT_SYMBOL(prom_getsibling); + +/* Return the length in bytes of property 'prop' at node 'node'. + * Return -1 on error. + */ +int prom_getproplen(int node, const char *prop) +{ + int ret; + unsigned long flags; + + if((!node) || (!prop)) + return -1; + + spin_lock_irqsave(&prom_lock, flags); + ret = prom_nodeops->no_proplen(node, prop); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return ret; +} +EXPORT_SYMBOL(prom_getproplen); + +/* Acquire a property 'prop' at node 'node' and place it in + * 'buffer' which has a size of 'bufsize'. If the acquisition + * was successful the length will be returned, else -1 is returned. + */ +int prom_getproperty(int node, const char *prop, char *buffer, int bufsize) +{ + int plen, ret; + unsigned long flags; + + plen = prom_getproplen(node, prop); + if((plen > bufsize) || (plen == 0) || (plen == -1)) + return -1; + /* Ok, things seem all right. */ + spin_lock_irqsave(&prom_lock, flags); + ret = prom_nodeops->no_getprop(node, prop, buffer); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return ret; +} +EXPORT_SYMBOL(prom_getproperty); + +/* Acquire an integer property and return its value. Returns -1 + * on failure. + */ +int prom_getint(int node, char *prop) +{ + static int intprop; + + if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1) + return intprop; + + return -1; +} +EXPORT_SYMBOL(prom_getint); + +/* Acquire an integer property, upon error return the passed default + * integer. + */ +int prom_getintdefault(int node, char *property, int deflt) +{ + int retval; + + retval = prom_getint(node, property); + if(retval == -1) return deflt; + + return retval; +} +EXPORT_SYMBOL(prom_getintdefault); + +/* Acquire a boolean property, 1=TRUE 0=FALSE. */ +int prom_getbool(int node, char *prop) +{ + int retval; + + retval = prom_getproplen(node, prop); + if(retval == -1) return 0; + return 1; +} +EXPORT_SYMBOL(prom_getbool); + +/* Acquire a property whose value is a string, returns a null + * string on error. The char pointer is the user supplied string + * buffer. + */ +void prom_getstring(int node, char *prop, char *user_buf, int ubuf_size) +{ + int len; + + len = prom_getproperty(node, prop, user_buf, ubuf_size); + if(len != -1) return; + user_buf[0] = 0; + return; +} +EXPORT_SYMBOL(prom_getstring); + + +/* Does the device at node 'node' have name 'name'? + * YES = 1 NO = 0 + */ +int prom_nodematch(int node, char *name) +{ + int error; + + static char namebuf[128]; + error = prom_getproperty(node, "name", namebuf, sizeof(namebuf)); + if (error == -1) return 0; + if(strcmp(namebuf, name) == 0) return 1; + return 0; +} + +/* Search siblings at 'node_start' for a node with name + * 'nodename'. Return node if successful, zero if not. + */ +int prom_searchsiblings(int node_start, char *nodename) +{ + + int thisnode, error; + + for(thisnode = node_start; thisnode; + thisnode=prom_getsibling(thisnode)) { + error = prom_getproperty(thisnode, "name", promlib_buf, + sizeof(promlib_buf)); + /* Should this ever happen? */ + if(error == -1) continue; + if(strcmp(nodename, promlib_buf)==0) return thisnode; + } + + return 0; +} +EXPORT_SYMBOL(prom_searchsiblings); + +/* Interal version of nextprop that does not alter return values. */ +char * __prom_nextprop(int node, char * oprop) +{ + unsigned long flags; + char *prop; + + spin_lock_irqsave(&prom_lock, flags); + prop = prom_nodeops->no_nextprop(node, oprop); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return prop; +} + +/* Return the first property name for node 'node'. */ +/* buffer is unused argument, but as v9 uses it, we need to have the same interface */ +char * prom_firstprop(int node, char *bufer) +{ + if (node == 0 || node == -1) + return ""; + + return __prom_nextprop(node, ""); +} +EXPORT_SYMBOL(prom_firstprop); + +/* Return the property type string after property type 'oprop' + * at node 'node' . Returns empty string if no more + * property types for this node. + */ +char * prom_nextprop(int node, char *oprop, char *buffer) +{ + if (node == 0 || node == -1) + return ""; + + return __prom_nextprop(node, oprop); +} +EXPORT_SYMBOL(prom_nextprop); + +int prom_finddevice(char *name) +{ + char nbuf[128]; + char *s = name, *d; + int node = prom_root_node, node2; + unsigned int which_io, phys_addr; + struct linux_prom_registers reg[PROMREG_MAX]; + + while (*s++) { + if (!*s) return node; /* path '.../' is legal */ + node = prom_getchild(node); + + for (d = nbuf; *s != 0 && *s != '@' && *s != '/';) + *d++ = *s++; + *d = 0; + + node = prom_searchsiblings(node, nbuf); + if (!node) + return 0; + + if (*s == '@') { + if (isxdigit(s[1]) && s[2] == ',') { + which_io = simple_strtoul(s+1, NULL, 16); + phys_addr = simple_strtoul(s+3, &d, 16); + if (d != s + 3 && (!*d || *d == '/') + && d <= s + 3 + 8) { + node2 = node; + while (node2 && node2 != -1) { + if (prom_getproperty (node2, "reg", (char *)reg, sizeof (reg)) > 0) { + if (which_io == reg[0].which_io && phys_addr == reg[0].phys_addr) { + node = node2; + break; + } + } + node2 = prom_getsibling(node2); + if (!node2 || node2 == -1) + break; + node2 = prom_searchsiblings(prom_getsibling(node2), nbuf); + } + } + } + while (*s != 0 && *s != '/') s++; + } + } + return node; +} +EXPORT_SYMBOL(prom_finddevice); + +int prom_node_has_property(int node, char *prop) +{ + char *current_property = ""; + + do { + current_property = prom_nextprop(node, current_property, NULL); + if(!strcmp(current_property, prop)) + return 1; + } while (*current_property); + return 0; +} +EXPORT_SYMBOL(prom_node_has_property); + +/* Set property 'pname' at node 'node' to value 'value' which has a length + * of 'size' bytes. Return the number of bytes the prom accepted. + */ +int prom_setprop(int node, const char *pname, char *value, int size) +{ + unsigned long flags; + int ret; + + if(size == 0) return 0; + if((pname == 0) || (value == 0)) return 0; + spin_lock_irqsave(&prom_lock, flags); + ret = prom_nodeops->no_setprop(node, pname, value, size); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return ret; +} +EXPORT_SYMBOL(prom_setprop); + +int prom_inst2pkg(int inst) +{ + int node; + unsigned long flags; + + spin_lock_irqsave(&prom_lock, flags); + node = (*romvec->pv_v2devops.v2_inst2pkg)(inst); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + if (node == -1) return 0; + return node; +} + +/* Return 'node' assigned to a particular prom 'path' + * FIXME: Should work for v0 as well + */ +int prom_pathtoinode(char *path) +{ + int node, inst; + + inst = prom_devopen (path); + if (inst == -1) return 0; + node = prom_inst2pkg (inst); + prom_devclose (inst); + if (node == -1) return 0; + return node; +} diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c new file mode 100644 index 00000000000..8ea73ddc61d --- /dev/null +++ b/arch/sparc/prom/tree_64.c @@ -0,0 +1,313 @@ +/* + * tree.c: Basic device tree traversal/scanning for the Linux + * prom library. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include +#include +#include +#include + +#include +#include +#include + +/* Return the child of node 'node' or zero if no this node has no + * direct descendent. + */ +inline int __prom_getchild(int node) +{ + return p1275_cmd ("child", P1275_INOUT(1, 1), node); +} + +inline int prom_getchild(int node) +{ + int cnode; + + if(node == -1) return 0; + cnode = __prom_getchild(node); + if(cnode == -1) return 0; + return (int)cnode; +} +EXPORT_SYMBOL(prom_getchild); + +inline int prom_getparent(int node) +{ + int cnode; + + if(node == -1) return 0; + cnode = p1275_cmd ("parent", P1275_INOUT(1, 1), node); + if(cnode == -1) return 0; + return (int)cnode; +} + +/* Return the next sibling of node 'node' or zero if no more siblings + * at this level of depth in the tree. + */ +inline int __prom_getsibling(int node) +{ + return p1275_cmd(prom_peer_name, P1275_INOUT(1, 1), node); +} + +inline int prom_getsibling(int node) +{ + int sibnode; + + if (node == -1) + return 0; + sibnode = __prom_getsibling(node); + if (sibnode == -1) + return 0; + + return sibnode; +} +EXPORT_SYMBOL(prom_getsibling); + +/* Return the length in bytes of property 'prop' at node 'node'. + * Return -1 on error. + */ +inline int prom_getproplen(int node, const char *prop) +{ + if((!node) || (!prop)) return -1; + return p1275_cmd ("getproplen", + P1275_ARG(1,P1275_ARG_IN_STRING)| + P1275_INOUT(2, 1), + node, prop); +} +EXPORT_SYMBOL(prom_getproplen); + +/* Acquire a property 'prop' at node 'node' and place it in + * 'buffer' which has a size of 'bufsize'. If the acquisition + * was successful the length will be returned, else -1 is returned. + */ +inline int prom_getproperty(int node, const char *prop, + char *buffer, int bufsize) +{ + int plen; + + plen = prom_getproplen(node, prop); + if ((plen > bufsize) || (plen == 0) || (plen == -1)) { + return -1; + } else { + /* Ok, things seem all right. */ + return p1275_cmd(prom_getprop_name, + P1275_ARG(1,P1275_ARG_IN_STRING)| + P1275_ARG(2,P1275_ARG_OUT_BUF)| + P1275_INOUT(4, 1), + node, prop, buffer, P1275_SIZE(plen)); + } +} +EXPORT_SYMBOL(prom_getproperty); + +/* Acquire an integer property and return its value. Returns -1 + * on failure. + */ +inline int prom_getint(int node, const char *prop) +{ + int intprop; + + if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1) + return intprop; + + return -1; +} +EXPORT_SYMBOL(prom_getint); + +/* Acquire an integer property, upon error return the passed default + * integer. + */ + +int prom_getintdefault(int node, const char *property, int deflt) +{ + int retval; + + retval = prom_getint(node, property); + if(retval == -1) return deflt; + + return retval; +} +EXPORT_SYMBOL(prom_getintdefault); + +/* Acquire a boolean property, 1=TRUE 0=FALSE. */ +int prom_getbool(int node, const char *prop) +{ + int retval; + + retval = prom_getproplen(node, prop); + if(retval == -1) return 0; + return 1; +} +EXPORT_SYMBOL(prom_getbool); + +/* Acquire a property whose value is a string, returns a null + * string on error. The char pointer is the user supplied string + * buffer. + */ +void prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size) +{ + int len; + + len = prom_getproperty(node, prop, user_buf, ubuf_size); + if(len != -1) return; + user_buf[0] = 0; + return; +} +EXPORT_SYMBOL(prom_getstring); + +/* Does the device at node 'node' have name 'name'? + * YES = 1 NO = 0 + */ +int prom_nodematch(int node, const char *name) +{ + char namebuf[128]; + prom_getproperty(node, "name", namebuf, sizeof(namebuf)); + if(strcmp(namebuf, name) == 0) return 1; + return 0; +} + +/* Search siblings at 'node_start' for a node with name + * 'nodename'. Return node if successful, zero if not. + */ +int prom_searchsiblings(int node_start, const char *nodename) +{ + + int thisnode, error; + char promlib_buf[128]; + + for(thisnode = node_start; thisnode; + thisnode=prom_getsibling(thisnode)) { + error = prom_getproperty(thisnode, "name", promlib_buf, + sizeof(promlib_buf)); + /* Should this ever happen? */ + if(error == -1) continue; + if(strcmp(nodename, promlib_buf)==0) return thisnode; + } + + return 0; +} +EXPORT_SYMBOL(prom_searchsiblings); + +/* Return the first property type for node 'node'. + * buffer should be at least 32B in length + */ +inline char *prom_firstprop(int node, char *buffer) +{ + *buffer = 0; + if(node == -1) return buffer; + p1275_cmd ("nextprop", P1275_ARG(2,P1275_ARG_OUT_32B)| + P1275_INOUT(3, 0), + node, (char *) 0x0, buffer); + return buffer; +} +EXPORT_SYMBOL(prom_firstprop); + +/* Return the property type string after property type 'oprop' + * at node 'node' . Returns NULL string if no more + * property types for this node. + */ +inline char *prom_nextprop(int node, const char *oprop, char *buffer) +{ + char buf[32]; + + if(node == -1) { + *buffer = 0; + return buffer; + } + if (oprop == buffer) { + strcpy (buf, oprop); + oprop = buf; + } + p1275_cmd ("nextprop", P1275_ARG(1,P1275_ARG_IN_STRING)| + P1275_ARG(2,P1275_ARG_OUT_32B)| + P1275_INOUT(3, 0), + node, oprop, buffer); + return buffer; +} +EXPORT_SYMBOL(prom_nextprop); + +int +prom_finddevice(const char *name) +{ + if (!name) + return 0; + return p1275_cmd(prom_finddev_name, + P1275_ARG(0,P1275_ARG_IN_STRING)| + P1275_INOUT(1, 1), + name); +} +EXPORT_SYMBOL(prom_finddevice); + +int prom_node_has_property(int node, const char *prop) +{ + char buf [32]; + + *buf = 0; + do { + prom_nextprop(node, buf, buf); + if(!strcmp(buf, prop)) + return 1; + } while (*buf); + return 0; +} +EXPORT_SYMBOL(prom_node_has_property); + +/* Set property 'pname' at node 'node' to value 'value' which has a length + * of 'size' bytes. Return the number of bytes the prom accepted. + */ +int +prom_setprop(int node, const char *pname, char *value, int size) +{ + if (size == 0) + return 0; + if ((pname == 0) || (value == 0)) + return 0; + +#ifdef CONFIG_SUN_LDOMS + if (ldom_domaining_enabled) { + ldom_set_var(pname, value); + return 0; + } +#endif + return p1275_cmd ("setprop", P1275_ARG(1,P1275_ARG_IN_STRING)| + P1275_ARG(2,P1275_ARG_IN_BUF)| + P1275_INOUT(4, 1), + node, pname, value, P1275_SIZE(size)); +} +EXPORT_SYMBOL(prom_setprop); + +inline int prom_inst2pkg(int inst) +{ + int node; + + node = p1275_cmd ("instance-to-package", P1275_INOUT(1, 1), inst); + if (node == -1) return 0; + return node; +} + +/* Return 'node' assigned to a particular prom 'path' + * FIXME: Should work for v0 as well + */ +int +prom_pathtoinode(const char *path) +{ + int node, inst; + + inst = prom_devopen (path); + if (inst == 0) return 0; + node = prom_inst2pkg (inst); + prom_devclose (inst); + if (node == -1) return 0; + return node; +} + +int prom_ihandle2path(int handle, char *buffer, int bufsize) +{ + return p1275_cmd("instance-to-path", + P1275_ARG(1,P1275_ARG_OUT_BUF)| + P1275_INOUT(3, 1), + handle, buffer, P1275_SIZE(bufsize)); +} -- cgit v1.2.3