From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: 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 Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior 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 --- kernel/arch/sparc/prom/bootstr_64.c | 43 +++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 kernel/arch/sparc/prom/bootstr_64.c (limited to 'kernel/arch/sparc/prom/bootstr_64.c') diff --git a/kernel/arch/sparc/prom/bootstr_64.c b/kernel/arch/sparc/prom/bootstr_64.c new file mode 100644 index 000000000..7149e7771 --- /dev/null +++ b/kernel/arch/sparc/prom/bootstr_64.c @@ -0,0 +1,43 @@ +/* + * 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. + */ + +/* We limit BARG_LEN to 1024 because this is the size of the + * 'barg_out' command line buffer in the SILO bootloader. + */ +#define BARG_LEN 1024 +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; +} -- cgit 1.2.3-korg