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Merge pull request from jwerner-chromium/JW_crash_x30

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Fix x30 reporting for unhandled exceptions
This commit is contained in:
davidcunado-arm 2017-08-22 18:25:55 +01:00 committed by GitHub
commit 096b7af7c9
4 changed files with 29 additions and 28 deletions
bl31/aarch64
runtime_exceptions.S
bl32/tsp/aarch64
tsp_exceptions.S
common
aarch32
debug.S
aarch64
debug.S

23
bl31/aarch64/runtime_exceptions.S

@ -49,7 +49,8 @@
b.eq smc_handler64
/* Other kinds of synchronous exceptions are not handled */
no_ret report_unhandled_exception
ldr x30, [sp, #CTX_GPREGS_OFFSET + CTX_GPREG_LR]
b report_unhandled_exception
.endm
@ -152,7 +153,7 @@ vector_base runtime_exceptions
*/
vector_entry sync_exception_sp_el0
/* We don't expect any synchronous exceptions from EL3 */
no_ret report_unhandled_exception
b report_unhandled_exception
check_vector_size sync_exception_sp_el0
vector_entry irq_sp_el0
@ -160,17 +161,17 @@ vector_entry irq_sp_el0
* EL3 code is non-reentrant. Any asynchronous exception is a serious
* error. Loop infinitely.
*/
no_ret report_unhandled_interrupt
b report_unhandled_interrupt
check_vector_size irq_sp_el0
vector_entry fiq_sp_el0
no_ret report_unhandled_interrupt
b report_unhandled_interrupt
check_vector_size fiq_sp_el0
vector_entry serror_sp_el0
no_ret report_unhandled_exception
b report_unhandled_exception
check_vector_size serror_sp_el0
/* ---------------------------------------------------------------------
@ -184,19 +185,19 @@ vector_entry sync_exception_sp_elx
* synchronous exception. There is a high probability that SP_EL3 is
* corrupted.
*/
no_ret report_unhandled_exception
b report_unhandled_exception
check_vector_size sync_exception_sp_elx
vector_entry irq_sp_elx
no_ret report_unhandled_interrupt
b report_unhandled_interrupt
check_vector_size irq_sp_elx
vector_entry fiq_sp_elx
no_ret report_unhandled_interrupt
b report_unhandled_interrupt
check_vector_size fiq_sp_elx
vector_entry serror_sp_elx
no_ret report_unhandled_exception
b report_unhandled_exception
check_vector_size serror_sp_elx
/* ---------------------------------------------------------------------
@ -226,7 +227,7 @@ vector_entry serror_aarch64
* SError exceptions from lower ELs are not currently supported.
* Report their occurrence.
*/
no_ret report_unhandled_exception
b report_unhandled_exception
check_vector_size serror_aarch64
/* ---------------------------------------------------------------------
@ -256,7 +257,7 @@ vector_entry serror_aarch32
* SError exceptions from lower ELs are not currently supported.
* Report their occurrence.
*/
no_ret report_unhandled_exception
b report_unhandled_exception
check_vector_size serror_aarch32

28
bl32/tsp/aarch64/tsp_exceptions.S

@ -81,19 +81,19 @@ vector_base tsp_exceptions
* -----------------------------------------------------
*/
vector_entry sync_exception_sp_el0
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size sync_exception_sp_el0
vector_entry irq_sp_el0
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size irq_sp_el0
vector_entry fiq_sp_el0
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size fiq_sp_el0
vector_entry serror_sp_el0
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size serror_sp_el0
@ -103,7 +103,7 @@ vector_entry serror_sp_el0
* -----------------------------------------------------
*/
vector_entry sync_exception_sp_elx
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size sync_exception_sp_elx
vector_entry irq_sp_elx
@ -115,7 +115,7 @@ vector_entry fiq_sp_elx
check_vector_size fiq_sp_elx
vector_entry serror_sp_elx
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size serror_sp_elx
@ -125,19 +125,19 @@ vector_entry serror_sp_elx
* -----------------------------------------------------
*/
vector_entry sync_exception_aarch64
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size sync_exception_aarch64
vector_entry irq_aarch64
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size irq_aarch64
vector_entry fiq_aarch64
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size fiq_aarch64
vector_entry serror_aarch64
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size serror_aarch64
@ -147,17 +147,17 @@ vector_entry serror_aarch64
* -----------------------------------------------------
*/
vector_entry sync_exception_aarch32
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size sync_exception_aarch32
vector_entry irq_aarch32
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size irq_aarch32
vector_entry fiq_aarch32
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size fiq_aarch32
vector_entry serror_aarch32
no_ret plat_panic_handler
b plat_panic_handler
check_vector_size serror_aarch32

2
common/aarch32/debug.S

@ -51,7 +51,7 @@ func do_panic
1:
mov lr, r6
no_ret plat_panic_handler
b plat_panic_handler
endfunc do_panic
/***********************************************************

4
common/aarch64/debug.S

@ -175,6 +175,6 @@ el3_panic:
_panic_handler:
/* Pass to plat_panic_handler the address from where el3_panic was
* called, not the address of the call from el3_panic. */
mov x30,x6
no_ret plat_panic_handler
mov x30, x6
b plat_panic_handler
endfunc do_panic