diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2014-08-27 14:45:59 -0500 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-27 08:04:06 +0100 |
| commit | a5c7f6681074788e0a7bc1cb202162ceec67f36e (patch) | |
| tree | b7adc1a26ac05b9fccf3cd9559f1703f1b352fd7 /src/arch/arm64/include/armv8 | |
| parent | 1c6512962aeaf07dfcb200231cc73bcc64859c7f (diff) | |
arm64: include stack storage within ramstage
Instead of defining the stacks by Kconfig options include
the stack sizes for all the CPUs including each of their
exception stacks. This allows for providing each CPU
on startup a stack to work with.
Note: this currently inherits CONFIG_STACK_SIZE from x86 because
of the Kconfig mess of options not being guarded.
BUG=chrome-os-partner:31545
BRANCH=None
TEST=Built and booted into the kernel on ryu.
Change-Id: Ie5fa1a8b78ed808a14efeb1717b98d6b0dd85eef
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 6524993f016aac2ac8cd9dba9fbdd9a59260a2b6
Original-Change-Id: Ica09dc256e6ce1dd032433d071894af5f445acdb
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/214669
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9013
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/arch/arm64/include/armv8')
| -rw-r--r-- | src/arch/arm64/include/armv8/arch/cpu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/arch/arm64/include/armv8/arch/cpu.h b/src/arch/arm64/include/armv8/arch/cpu.h index 70311dd194..e80e739133 100644 --- a/src/arch/arm64/include/armv8/arch/cpu.h +++ b/src/arch/arm64/include/armv8/arch/cpu.h @@ -52,4 +52,10 @@ struct cpu_info *cpu_info(void); */ unsigned int smp_processor_id(void); +/* Return the top of the stack for the specified cpu. */ +void *cpu_get_stack(unsigned int cpu); + +/* Return the top of the exception stack for the specified cpu. */ +void *cpu_get_exception_stack(unsigned int cpu); + #endif /* __ARCH_CPU_H__ */ |