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https://github.com/edk2-porting/linux-next.git
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ab6e570ba3
This migrates from the old bitrotted kgdb stub implementation and moves to the generic stub. In the process support for SH-2/SH-2A is also added, which the old stub never provided. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
42 lines
963 B
C
42 lines
963 B
C
#ifndef __ASM_SH_KGDB_H
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#define __ASM_SH_KGDB_H
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#include <asm/cacheflush.h>
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#include <asm/ptrace.h>
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/* Same as pt_regs but has vbr in place of syscall_nr */
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struct kgdb_regs {
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unsigned long regs[16];
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unsigned long pc;
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unsigned long pr;
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unsigned long sr;
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unsigned long gbr;
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unsigned long mach;
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unsigned long macl;
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unsigned long vbr;
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};
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enum regnames {
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GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
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GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
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GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
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};
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#define NUMREGBYTES ((GDB_VBR + 1) * 4)
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static inline void arch_kgdb_breakpoint(void)
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{
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__asm__ __volatile__ ("trapa #0x3c\n");
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}
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/* State info */
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extern char in_nmi; /* Debounce flag to prevent NMI reentry*/
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#define BUFMAX 2048
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#define CACHE_FLUSH_IS_SAFE 1
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#define BREAK_INSTR_SIZE 2
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#endif /* __ASM_SH_KGDB_H */
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