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author | Anton Arapov <anton@redhat.com> | 2012-04-16 10:05:28 +0200 |
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committer | Anton Arapov <anton@redhat.com> | 2012-04-16 10:05:28 +0200 |
commit | b4b6116a13633898cf868f2f103c96a90c4c20f8 (patch) | |
tree | 93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/sparc/prom/init_64.c | |
parent | edd4be777c953e5faafc80d091d3084b4343f5d3 (diff) | |
download | kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.tar.gz kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.tar.xz kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.zip |
fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/sparc/prom/init_64.c')
-rw-r--r-- | arch/sparc/prom/init_64.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c new file mode 100644 index 00000000000..5016c5e2057 --- /dev/null +++ b/arch/sparc/prom/init_64.c @@ -0,0 +1,56 @@ +/* + * 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 <linux/kernel.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/ctype.h> + +#include <asm/openprom.h> +#include <asm/oplib.h> + +/* OBP version string. */ +char prom_version[80]; + +/* The root node of the prom device tree. */ +int prom_stdout; +phandle 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) +{ + phandle node; + + prom_cif_init(cif_handler, cif_stack); + + prom_chosen_node = prom_finddevice(prom_chosen_path); + if (!prom_chosen_node || (s32)prom_chosen_node == -1) + prom_halt(); + + prom_stdout = prom_getint(prom_chosen_node, "stdout"); + + node = prom_finddevice("/openprom"); + if (!node || (s32)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); +} |