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author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 22:20:36 (GMT) |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 22:20:36 (GMT) |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/sparc/prom/segment.c | |
download | linux-fsl-qoriq-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/sparc/prom/segment.c')
-rw-r--r-- | arch/sparc/prom/segment.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/sparc/prom/segment.c b/arch/sparc/prom/segment.c new file mode 100644 index 0000000..09d6460 --- /dev/null +++ b/arch/sparc/prom/segment.c @@ -0,0 +1,29 @@ +/* $Id: segment.c,v 1.7 2000/08/26 02:38:03 anton Exp $ + * segment.c: Prom routine to map segments in other contexts before + * a standalone is completely mapped. This is for sun4 and + * sun4c architectures only. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <asm/openprom.h> +#include <asm/oplib.h> + +extern void restore_current(void); + +/* Set physical segment 'segment' at virtual address 'vaddr' in + * context 'ctx'. + */ +void +prom_putsegment(int ctx, unsigned long vaddr, int segment) +{ + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + (*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return; +} |