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-rw-r--r--services/spd/opteed/opteed_main.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/services/spd/opteed/opteed_main.c b/services/spd/opteed/opteed_main.c
index 7796fc4a..6b4b14af 100644
--- a/services/spd/opteed/opteed_main.c
+++ b/services/spd/opteed/opteed_main.c
@@ -265,6 +265,18 @@ uint64_t opteed_smc_handler(uint32_t smc_fid,
cm_el1_sysregs_context_restore(SECURE);
cm_set_next_eret_context(SECURE);
+ write_ctx_reg(get_gpregs_ctx(&optee_ctx->cpu_ctx),
+ CTX_GPREG_X4,
+ read_ctx_reg(get_gpregs_ctx(handle),
+ CTX_GPREG_X4));
+ write_ctx_reg(get_gpregs_ctx(&optee_ctx->cpu_ctx),
+ CTX_GPREG_X5,
+ read_ctx_reg(get_gpregs_ctx(handle),
+ CTX_GPREG_X5));
+ write_ctx_reg(get_gpregs_ctx(&optee_ctx->cpu_ctx),
+ CTX_GPREG_X6,
+ read_ctx_reg(get_gpregs_ctx(handle),
+ CTX_GPREG_X6));
/* Propagate hypervisor client ID */
write_ctx_reg(get_gpregs_ctx(&optee_ctx->cpu_ctx),
CTX_GPREG_X7,