diff options
| author | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2019-02-14 11:40:19 +0000 |
|---|---|---|
| committer | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2019-02-14 17:37:56 +0000 |
| commit | 9efdbc2cd894e99680c191a3c8e4a868cec12282 (patch) | |
| tree | 26b479191cbefe6d15fa60a9ee8a24263c548d47 /services | |
| parent | 3e310f30f29d37faee6625cff54c31bdae1cbb72 (diff) | |
SPM: Remove unnecessary register save
Since commit 01fc1c24b9a0 ("BL31: Use helper function to save registers
in SMC handler") all the general-purpose registers are saved when
entering EL3. It isn't needed to save them here.
Change-Id: Ic540a5441b89b70888da587ab8fc3b2508cef8cc
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Diffstat (limited to 'services')
| -rw-r--r-- | services/std_svc/spm/sprt.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/services/std_svc/spm/sprt.c b/services/std_svc/spm/sprt.c index 8aa2a88a..20ad2afb 100644 --- a/services/std_svc/spm/sprt.c +++ b/services/std_svc/spm/sprt.c @@ -178,14 +178,6 @@ static uintptr_t sprt_smc_handler(uint32_t smc_fid, u_register_t x1, SMC_RET1(handle, SPRT_VERSION_COMPILED); case SPRT_PUT_RESPONSE_AARCH64: - /* - * Registers x1-x3 aren't saved by default to the context, - * but they are needed after spm_sp_synchronous_exit() because - * they hold return values. - */ - SMC_SET_GP(handle, CTX_GPREG_X1, x1); - SMC_SET_GP(handle, CTX_GPREG_X2, x2); - SMC_SET_GP(handle, CTX_GPREG_X3, x3); spm_sp_synchronous_exit(SPRT_PUT_RESPONSE_AARCH64); case SPRT_YIELD_AARCH64: |