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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/hexagon/include/asm/kgdb.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/hexagon/include/asm/kgdb.h')
-rw-r--r-- | arch/hexagon/include/asm/kgdb.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/kgdb.h b/arch/hexagon/include/asm/kgdb.h new file mode 100644 index 0000000000..30cc387b34 --- /dev/null +++ b/arch/hexagon/include/asm/kgdb.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/hexagon/include/asm/kgdb.h - Hexagon KGDB Support + * + * Copyright (c) 2011, The Linux Foundation. All rights reserved. + */ + +#ifndef __HEXAGON_KGDB_H__ +#define __HEXAGON_KGDB_H__ + +#define BREAK_INSTR_SIZE 4 +#define CACHE_FLUSH_IS_SAFE 1 +#define BUFMAX ((NUMREGBYTES * 2) + 512) + +static inline void arch_kgdb_breakpoint(void) +{ + asm("trap0(#0xDB)"); +} + +/* Registers: + * 32 gpr + sa0/1 + lc0/1 + m0/1 + gp + ugp + pred + pc = 42 total. + * vm regs = psp+elr+est+badva = 4 + * syscall+restart = 2 more + * also add cs0/1 = 2 + * so 48 = 42 + 4 + 2 + 2 + */ +#define DBG_USER_REGS 42 +#define DBG_MAX_REG_NUM (DBG_USER_REGS + 8) +#define NUMREGBYTES (DBG_MAX_REG_NUM*4) + +#endif /* __HEXAGON_KGDB_H__ */ |