diff options
| author | Julius Werner <jwerner@chromium.org> | 2015-05-07 16:59:31 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-05-19 20:34:55 +0200 |
| commit | bbca3a9cfa5248eb49bd2e42e8db25a6733835bb (patch) | |
| tree | 2700f0ae32d378e7af0137191b715da5d89e7e07 | |
| parent | 883ec987a65939ecccf4b602a02ba2aeaca696b2 (diff) | |
arm64: Reorganize payload entry code and related Kconfigs
This patch slightly reorganizes arm64/boot.c with the aim of being more
readable:
Make more obvious that there's no code execution here after payload_entry.
[pg: taken from patch linked below]
Change-Id: Ia341e5d290b10ad5ba3edb349b8a7f619022d99f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 5067e47bc03f04ad2dba044f022716e0fc62bb9e
Original-Change-Id: I1b2038acc0d054716a3c580ce97ea8e9a45abfa2
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/270783
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10247
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
| -rw-r--r-- | src/arch/arm64/boot.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/src/arch/arm64/boot.c b/src/arch/arm64/boot.c index 702953cfa6..1d9987a437 100644 --- a/src/arch/arm64/boot.c +++ b/src/arch/arm64/boot.c @@ -50,19 +50,16 @@ static void run_payload(struct prog *prog) printk(BIOS_SPEW, "entry = %p\n", doit); /* If current EL is not EL3, jump to payload at same EL. */ - if (current_el != EL3) { - /* Point of no-return */ + if (current_el != EL3) doit(arg); - } - - /* If current EL is EL3, we transition to payload in EL2. */ - struct exc_state exc_state; - - memset(&exc_state, 0, sizeof(exc_state)); + else { + /* If current EL is EL3, we transition to payload in EL2. */ + struct exc_state exc_state; + memset(&exc_state, 0, sizeof(exc_state)); + exc_state.elx.spsr = get_eret_el(EL2, SPSR_USE_L); - exc_state.elx.spsr = get_eret_el(EL2, SPSR_USE_L); - - transition_with_entry(doit, arg, &exc_state); + transition_with_entry(doit, arg, &exc_state); + } } } |