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| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/sparc/prom/cif.S | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/sparc/prom/cif.S')
| -rw-r--r-- | kernel/arch/sparc/prom/cif.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/kernel/arch/sparc/prom/cif.S b/kernel/arch/sparc/prom/cif.S new file mode 100644 index 000000000..8050f381f --- /dev/null +++ b/kernel/arch/sparc/prom/cif.S @@ -0,0 +1,47 @@ +/* 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 <davem@davemloft.net> + */ + +#include <asm/pstate.h> +#include <asm/cpudata.h> +#include <asm/thread_info.h> + + .text + .globl prom_cif_direct +prom_cif_direct: + save %sp, -192, %sp + sethi %hi(p1275buf), %o1 + or %o1, %lo(p1275buf), %o1 + ldx [%o1 + 0x0008], %l2 ! prom_cif_handler + mov %g4, %l0 + mov %g5, %l1 + mov %g6, %l3 + call %l2 + mov %i0, %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 + |