Add a library to hold ARM assembler code which is generic across all ARM CPUs.
Signed-off-by: Simon Glass <s...@chromium.org> --- arch/arm/lib/Makefile | 1 + arch/arm/lib/proc.S | 35 +++++++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+), 0 deletions(-) create mode 100644 arch/arm/lib/proc.S diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index ca2802a..27749dc 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -50,6 +50,7 @@ endif ifndef CONFIG_SYS_LEGACY_BOARD COBJS-y += arch_reloc.o +SOBJS-y += proc.o endif SRCS := $(GLSOBJS:.o=.S) $(GLCOBJS:.o=.c) \ diff --git a/arch/arm/lib/proc.S b/arch/arm/lib/proc.S new file mode 100644 index 0000000..99a2944 --- /dev/null +++ b/arch/arm/lib/proc.S @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +/** + * Jump to board_init_r with a new stack pointer + * + * @param gd Pointer to global data + * @param dest_addr Destination address from global data + * @param func Address of board_init_r function (relocated) + * @param sp New stack pointer + */ +.globl proc_call_board_init_r +proc_call_board_init_r: + mov sp, r3 + /* jump to it ... */ + mov pc, r2 -- 1.7.3.1 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
