diff options
| author | Gabe Black <gabeblack@google.com> | 2013-12-11 00:23:15 -0800 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2014-12-09 18:39:06 +0100 |
| commit | 20cdb2439f7e76f78d2618220fc1a0061afd57cd (patch) | |
| tree | b5b21e423a0ed6c3138074bc6d8655d70443aba2 /payloads/libpayload/include/arm | |
| parent | c09cf0b7e17cc48576d09d3c48df8625ea5c990b (diff) | |
libpayload: Make it possible to install callbacks for particular exceptions.
To support a GDB stub, it will be necessary to trap various exceptions which
will be used to implement breakpoints, single stepping, etc.
BUG=None
TEST=Built and booted on Link with hooks installed and saw that they
triggered when exceptions occurred. Built and booted on nyan.
BRANCH=None
Original-Change-Id: Iab659365864a3055159a50b8f6e5c44290d3ba2b
Original-Signed-off-by: Gabe Black <gabeblack@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/179602
Original-Reviewed-by: Gabe Black <gabeblack@chromium.org>
Original-Tested-by: Gabe Black <gabeblack@chromium.org>
Original-Commit-Queue: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit 8db0897b1ddad600e247cb4df147c757a8187626)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I5e7f724b99988cd259909dd3bd01166fa52317ec
Reviewed-on: http://review.coreboot.org/7656
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'payloads/libpayload/include/arm')
| -rw-r--r-- | payloads/libpayload/include/arm/arch/exception.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/payloads/libpayload/include/arm/arch/exception.h b/payloads/libpayload/include/arm/arch/exception.h index a0d9413f1c..13fda57aa7 100644 --- a/payloads/libpayload/include/arm/arch/exception.h +++ b/payloads/libpayload/include/arm/arch/exception.h @@ -30,9 +30,23 @@ #ifndef _ARCH_EXCEPTION_H #define _ARCH_EXCEPTION_H -#include <exception.h> #include <stdint.h> void set_vbar(uint32_t vbar); +struct exception_state +{ + uint32_t regs[16]; +} __attribute__((packed)); + +enum { + EXC_UNDEF = 1, + EXC_SWI = 2, + EXC_PABORT = 3, + EXC_DABORT = 4, + EXC_IRQ = 6, + EXC_FIQ = 7, + EXC_COUNT +}; + #endif |