diff options
Diffstat (limited to 'bl31/context_mgmt.c')
| -rw-r--r-- | bl31/context_mgmt.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/bl31/context_mgmt.c b/bl31/context_mgmt.c index 44ef0d9..60c3492 100644 --- a/bl31/context_mgmt.c +++ b/bl31/context_mgmt.c @@ -165,6 +165,23 @@ void cm_set_el3_eret_context(uint32_t security_state, uint64_t entrypoint, } /******************************************************************************* + * This function function populates ELR_EL3 member of 'cpu_context' pertaining + * to the given security state with the given entrypoint + ******************************************************************************/ +void cm_set_el3_elr(uint32_t security_state, uint64_t entrypoint) +{ + cpu_context *ctx; + el3_state *state; + + ctx = cm_get_context(read_mpidr(), security_state); + assert(ctx); + + /* Populate EL3 state so that ERET jumps to the correct entry */ + state = get_el3state_ctx(ctx); + write_ctx_reg(state, CTX_ELR_EL3, entrypoint); +} + +/******************************************************************************* * This function is used to program the context that's used for exception * return. This initializes the SP_EL3 to a pointer to a 'cpu_context' set for * the required security state |