mtd/ps3vram: Add ps3vram driver for accessing video RAM as MTD - linux-dev - Linux kernel development work

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author	Jim Paris <jim@jtan.com>	2009-01-06 11:32:10 +0000
committer	Benjamin Herrenschmidt <benh@kernel.crashing.org>	2009-01-08 16:25:14 +1100
commit	cffb4add03b1fc83026b06dc3664279cfbf70155 (patch)
tree	f9b2b351a3a330768b81919897f3be193fd9e88d /include/linux
parent	powerpc: Fix iseries drivers build failure without CONFIG_VIOPATH (diff)

mtd/ps3vram: Add ps3vram driver for accessing video RAM as MTD

Add ps3vram driver, which exposes unused video RAM on the PS3 as a MTD device suitable for storage or swap. Fast data transfer is achieved using a local cache in system RAM and DMA transfers via the GPU. Signed-off-by: Vivien Chappelier <vivien.chappelier@free.fr> Signed-off-by: Jim Paris <jim@jtan.com> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Acked-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Diffstat (limited to 'include/linux')

0 files changed, 0 insertions, 0 deletions

/* setjmp for x86-64. Copyright (C) 2001, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <sysdep.h> #define _ASM #define _SETJMP_H #include <bits/setjmp.h> #include <asm-syntax.h> ENTRY (__sigsetjmp) /* Save registers. */ movq %rbx, (JB_RBX*8)(%rdi) movq %rbp, (JB_RBP*8)(%rdi) movq %r12, (JB_R12*8)(%rdi) movq %r13, (JB_R13*8)(%rdi) movq %r14, (JB_R14*8)(%rdi) movq %r15, (JB_R15*8)(%rdi) leaq 8(%rsp), %rdx /* Save SP as it will be after we return. */ movq %rdx, (JB_RSP*8)(%rdi) movq (%rsp), %rax /* Save PC we are returning to now. */ movq %rax, (JB_PC*8)(%rdi) /* Make a tail call to __sigjmp_save; it takes the same args. */ #ifdef PIC jmp C_SYMBOL_NAME (BP_SYM (__sigjmp_save))@PLT #else jmp BP_SYM (__sigjmp_save) #endif END (BP_SYM (__sigsetjmp)) hidden_def (__sigsetjmp)


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