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arm64 libhelpers: Add helper functions for writing sp_elx 

BUG=chrome-os-partner:30785
BRANCH=None
TEST=Compiles successfully

Change-Id: Id9367b1fc836b7b8c8fd15b372673853493f67d4
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 561e9c4ec2b0657846d50bbc893ef7541230f932
Original-Change-Id: Ie950e893b01456c23af14304bd4dd8f61af9f244
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216905
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9064
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Furquan Shaikh 2014-09-07 18:27:16 -07:00 committed by Patrick Georgi
parent e1b87a1032
commit 33dbfd434e
2 changed files with 12 additions and 0 deletions
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10
src/arch/arm64/armv8/lib/pstate.c
View File

@ -325,6 +325,16 @@ void raw_write_sp_el3(uint64_t sp_el3)
raw_write_spsel(spsel); raw_write_spsel(spsel);
} }
uint64_t raw_read_sp_elx(uint32_t el)
{
SWITCH_CASE_READ(raw_read_sp, sp, uint64_t, el);
}
void raw_write_sp_elx(uint64_t sp_elx, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_sp, sp_elx, el);
}
/* SPSR */ /* SPSR */
uint32_t raw_read_spsr_abt(void) uint32_t raw_read_spsr_abt(void)
{ {

2
src/arch/arm64/include/armv8/arch/lib_helpers.h
View File

@ -217,6 +217,8 @@ uint32_t raw_read_spsel(void);
void raw_write_spsel(uint32_t spsel); void raw_write_spsel(uint32_t spsel);
uint64_t raw_read_sp_el3(void); uint64_t raw_read_sp_el3(void);
void raw_write_sp_el3(uint64_t sp_el3); void raw_write_sp_el3(uint64_t sp_el3);
uint64_t raw_read_sp_elx(uint32_t el);
void raw_write_sp_elx(uint64_t sp_elx, uint32_t el);
uint32_t raw_read_spsr_abt(void); uint32_t raw_read_spsr_abt(void);
void raw_write_spsr_abt(uint32_t spsr_abt); void raw_write_spsr_abt(uint32_t spsr_abt);
uint32_t raw_read_spsr_el1(void); uint32_t raw_read_spsr_el1(void);