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libpayload arm64: Make exceptions work

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BUG=chrome-os-partner:31634
BRANCH=None
TEST=test_exc generates and handles exceptions properly

Change-Id: If3ecab93be6d02942b52960ec97edc687bedf64b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: bba2caae0bd436ba9e5215f5d8606ce8c4987c98
Original-Change-Id: I4abe8a0e426eab2532852179dbb32505353cd0a1
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214609
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8783
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Furquan Shaikh
2014-08-27 21:43:36 -07:00
committed by Patrick Georgi
parent 02efc9413b
commit 3b1ee0387c
5 changed files with 89 additions and 61 deletions
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21
payloads/libpayload/arch/arm64/gdb.c
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@@ -33,11 +33,22 @@ struct gdb_regs
} __attribute__((packed));
static const u8 type_to_signal[] = {
[EXC_INV] = GDB_SIGILL,
[EXC_SYNC] = GDB_SIGTRAP,
[EXC_IRQ] = GDB_SIGSEGV,
[EXC_FIQ] = GDB_SIGSEGV,
[EXC_SERROR] = GDB_SIGSEGV
[EXC_SYNC_SP0] = GDB_SIGTRAP,
[EXC_IRQ_SP0] = GDB_SIGSEGV,
[EXC_FIQ_SP0] = GDB_SIGSEGV,
[EXC_SERROR_SP0] = GDB_SIGSEGV,
[EXC_SYNC_SPX] = GDB_SIGTRAP,
[EXC_IRQ_SPX] = GDB_SIGSEGV,
[EXC_FIQ_SPX] = GDB_SIGSEGV,
[EXC_SERROR_SPX] = GDB_SIGSEGV,
[EXC_SYNC_ELX_64] = GDB_SIGTRAP,
[EXC_IRQ_ELX_64] = GDB_SIGSEGV,
[EXC_FIQ_ELX_64] = GDB_SIGSEGV,
[EXC_SERROR_ELX_64] = GDB_SIGSEGV,
[EXC_SYNC_ELX_32] = GDB_SIGTRAP,
[EXC_IRQ_ELX_32] = GDB_SIGSEGV,
[EXC_FIQ_ELX_32] = GDB_SIGSEGV,
[EXC_SERROR_ELX_32] = GDB_SIGSEGV
};
static int gdb_exception_hook(u32 type)