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feat(trusty): switch to simd_ctx_save/restore apis

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Change-Id: Ifa72334c4793965c23a20d31ff6dff258f72ddcb
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
This commit is contained in:
Madhukar Pappireddy 2024-04-25 22:59:16 -05:00
parent a9b64ed969
commit 7461025985
1 changed files with 10 additions and 7 deletions
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17
services/spd/trusty/trusty.c
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@ -118,8 +118,10 @@ static struct smc_args trusty_context_switch(uint32_t security_state, uint64_t r
* when it's needed the PSCI caller has preserved FP context before
* going here.
*/
if (r0 != SMC_FC_CPU_SUSPEND && r0 != SMC_FC_CPU_RESUME)
fpregs_context_save(get_fpregs_ctx(cm_get_context(security_state)));
if (r0 != SMC_FC_CPU_SUSPEND && r0 != SMC_FC_CPU_RESUME) {
simd_ctx_save(security_state, false);
}
cm_el1_sysregs_context_save(security_state);
ctx->saved_security_state = security_state;
@ -128,8 +130,9 @@ static struct smc_args trusty_context_switch(uint32_t security_state, uint64_t r
assert(ctx->saved_security_state == ((security_state == 0U) ? 1U : 0U));
cm_el1_sysregs_context_restore(security_state);
if (r0 != SMC_FC_CPU_SUSPEND && r0 != SMC_FC_CPU_RESUME)
fpregs_context_restore(get_fpregs_ctx(cm_get_context(security_state)));
if (r0 != SMC_FC_CPU_SUSPEND && r0 != SMC_FC_CPU_RESUME) {
simd_ctx_restore(security_state);
}
cm_set_next_eret_context(security_state);
@ -320,7 +323,7 @@ static int32_t trusty_init(void)
ep_info = bl31_plat_get_next_image_ep_info(SECURE);
assert(ep_info != NULL);
fpregs_context_save(get_fpregs_ctx(cm_get_context(NON_SECURE)));
simd_ctx_save(NON_SECURE, false);
cm_el1_sysregs_context_save(NON_SECURE);
cm_set_context(&ctx->cpu_ctx, SECURE);
@ -337,7 +340,7 @@ static int32_t trusty_init(void)
}
cm_el1_sysregs_context_restore(SECURE);
fpregs_context_restore(get_fpregs_ctx(cm_get_context(SECURE)));
simd_ctx_restore(SECURE);
cm_set_next_eret_context(SECURE);
ctx->saved_security_state = ~0U; /* initial saved state is invalid */
@ -346,7 +349,7 @@ static int32_t trusty_init(void)
(void)trusty_context_switch_helper(&ctx->saved_sp, &zero_args);
cm_el1_sysregs_context_restore(NON_SECURE);
fpregs_context_restore(get_fpregs_ctx(cm_get_context(NON_SECURE)));
simd_ctx_restore(NON_SECURE);
cm_set_next_eret_context(NON_SECURE);
return 1;