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 albert.u.boot@aribaud.net Signed-off-by: Jeroen Hofstee jeroen@myspectrum.nl --- README | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/README b/README index ccd47fa..ec3e60b 100644 --- a/README +++ b/README @@ -5588,15 +5588,17 @@ 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