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libpayload arm64: Add helper functions with el argument

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Allow read/write to registers at a given el. Also, make read/write
registers at current el call this newly added function.

BRANCH=none
BUG=none
TEST=build and boot on mt8173-evb

Change-Id: Id69f0fdc07193c5c7e997712f0cd99de6f41510b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c091917babc39d9ab997f51f81b486c9aa900c24
Original-Change-Id: I0944946642066b88331e497a92388e74e86902d0
Original-Signed-off-by: HC Yen <hc.yen@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/240322
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8798
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
HC Yen
2015-01-13 11:36:14 +08:00
committed by Patrick Georgi
parent 584e048185
commit 11e743ce26
4 changed files with 292 additions and 71 deletions
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32
payloads/libpayload/arch/arm64/lib/pstate.c
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@ -179,12 +179,24 @@ void raw_write_elr_el3(uint64_t elr_el3)
uint64_t raw_read_elr_current(void)
{
SWITCH_CASE_READ(raw_read_elr,elr,uint64_t);
uint32_t el = get_current_el();
return raw_read_elr(el);
}
void raw_write_elr_current(uint64_t elr)
{
SWITCH_CASE_WRITE(raw_write_elr,elr);
uint32_t el = get_current_el();
raw_write_elr(elr, el);
}
uint64_t raw_read_elr(uint32_t el)
{
SWITCH_CASE_READ(raw_read_elr, elr, uint64_t, el);
}
void raw_write_elr(uint64_t elr, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_elr, elr, el);
}
/* FPCR */
@ -380,12 +392,24 @@ void raw_write_spsr_el3(uint32_t spsr_el3)
uint32_t raw_read_spsr_current(void)
{
SWITCH_CASE_READ(raw_read_spsr,spsr,uint32_t);
uint32_t el = get_current_el();
return raw_read_spsr(el);
}
void raw_write_spsr_current(uint32_t spsr)
{
SWITCH_CASE_WRITE(raw_write_spsr,spsr);
uint32_t el = get_current_el();
raw_write_spsr(spsr, el);
}
uint32_t raw_read_spsr(uint32_t el)
{
SWITCH_CASE_READ(raw_read_spsr, spsr, uint32_t, el);
}
void raw_write_spsr(uint32_t spsr, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_spsr, spsr, el);
}
uint32_t raw_read_spsr_fiq(void)