[U-Boot] [PATCH 0/4] Make u-boot true PIC for ppc
Joakim Tjernlund
Joakim.Tjernlund at transmode.se
Wed Dec 30 16:08:28 CET 2009
This series adds link_off(), a function to calculate
the difference between load address and link address.
Using this function it is possible to make u-boot 100%
PIC by wrapping global data accesses LINK_OFF() calls.
Plenty of examples in the code to show how to use it.
All start.S needs to be updated too and I have done
so with mpc83xx.
-DCONFIG_LINK_OFF in your platform config.mk to
make use of this function.
Needs the -ffixed-r14 patches I just sent or
you can fix the conflicts manually.
Would really appreciate some testing by 83xx owners.
Scott?
Note: this is a resend.
Jocke
Joakim Tjernlund (4):
ppc: Add const void *link_off(const void *addr)
Use LINK_OFF to access global data
Use LINK_OFF in enviroment too
ppc: Make mpc83xx start.S relative.
common/cmd_nvedit.c | 2 +
common/console.c | 12 ++++++--
common/env_common.c | 2 +-
common/env_flash.c | 65 ++++++++++++++++++++++++----------------
cpu/mpc83xx/cpu.c | 10 +++---
cpu/mpc83xx/cpu_init.c | 38 ++++++++++++-----------
cpu/mpc83xx/speed.c | 28 +++++++-----------
cpu/mpc83xx/start.S | 35 +++++++++++++++++----
drivers/serial/serial.c | 21 +++++++------
include/common.h | 7 ++++
include/linux/ctype.h | 6 ++--
lib_generic/crc32.c | 7 ++++-
lib_generic/ctype.c | 2 +-
lib_generic/display_options.c | 5 ++-
lib_generic/vsprintf.c | 9 ++++--
lib_ppc/board.c | 5 ++-
lib_ppc/reloc.S | 21 +++++++++++++
tools/updater/ctype.c | 2 +-
18 files changed, 177 insertions(+), 100 deletions(-)
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