From aeef2b090d0d982f83dd9a64a22a5e7275dd2939 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Mon, 19 Aug 2013 15:01:22 +0900 Subject: ARM: s3c44b0: remove remainders of dead board Because commit 5dc5f36 removed B2 board support, arch/arm/cpu/s3c44b0/* and arch/arm/include/asm/arch-s3c44b0/* are not necessary anymore. Signed-off-by: Masahiro Yamada Cc: Wolfgang Denk Cc: Andrea Scian --- README | 1 - 1 file changed, 1 deletion(-) (limited to 'README') diff --git a/README b/README index ccd47fa..f27e578 100644 --- a/README +++ b/README @@ -144,7 +144,6 @@ Directory Hierarchy: /arm1136 Files specific to ARM 1136 CPUs /ixp Files specific to Intel XScale IXP CPUs /pxa Files specific to Intel XScale PXA CPUs - /s3c44b0 Files specific to Samsung S3C44B0 CPUs /sa1100 Files specific to Intel StrongARM SA1100 CPUs /lib Architecture specific library files /avr32 Files generic to AVR32 architecture -- cgit v1.1 From 12eba1b49380988fd87cc0b3af44014cca8b71c4 Mon Sep 17 00:00:00 2001 From: Jeroen Hofstee Date: Sat, 21 Sep 2013 14:04:42 +0200 Subject: README: update ARM register usage Besides the change of this patchset it also updates the README to reflect that GOT-generated relocations are no longer supported on ARM. cc: Albert ARIBAUD Signed-off-by: Jeroen Hofstee --- README | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'README') diff --git a/README b/README index f27e578..2fcad7f 100644 --- a/README +++ b/README @@ -5587,15 +5587,17 @@ On ARM, the following registers are used: R0: function argument word/integer result R1-R3: function argument word - R9: GOT pointer - R10: stack limit (used only if stack checking if enabled) + R9: platform specific + R10: stack limit (used only if stack checking is enabled) R11: argument (frame) pointer R12: temporary workspace R13: stack pointer R14: link register R15: program counter - ==> U-Boot will use R8 to hold a pointer to the global data + ==> U-Boot will use R9 to hold a pointer to the global data + + Note: on ARM, only R_ARM_RELATIVE relocations are supported. On Nios II, the ABI is documented here: http://www.altera.com/literature/hb/nios2/n2cpu_nii51016.pdf -- cgit v1.1