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microblaze: Remove old user debugging gdb stub
Old gdb uses priviledged exception handler to handle gdb exception. New gdb uses brki r16, 0x18 that's why we can remove old gdb support. Signed-off-by: Michal Simek <monstr@monstr.eu>
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parent
95d3a8cd15
commit
0425609680
1 changed files with 1 additions and 8 deletions
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@ -72,7 +72,6 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
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int fsr, int addr)
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{
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#ifdef CONFIG_MMU
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int code;
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addr = regs->pc;
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#endif
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@ -144,13 +143,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
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#ifdef CONFIG_MMU
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case MICROBLAZE_PRIVILEGED_EXCEPTION:
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pr_debug("Privileged exception\n");
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/* "brk r0,r0" - used as debug breakpoint - old toolchain */
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if (get_user(code, (unsigned long *)regs->pc) == 0
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&& code == 0x980c0000) {
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_exception(SIGTRAP, regs, TRAP_BRKPT, addr);
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} else {
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_exception(SIGILL, regs, ILL_PRVOPC, addr);
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}
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_exception(SIGILL, regs, ILL_PRVOPC, addr);
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break;
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#endif
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default:
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