4e43cdd041
When an invalid opcode gets executed, OKL4 switches to the kernel debugger console instead of sending an exception IPC to the userland. This patch fixes the problem by removing the code that invokes the debugger console. This patch fixes #95.
24 lines
902 B
Diff
24 lines
902 B
Diff
- send 'invalid opcode' exception IPC to userland instead of switching to the kernel debugger console
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diff --git a/arch/ia32/pistachio/src/exception.cc b/arch/ia32/pistachio/src/exception.cc
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--- a/arch/ia32/pistachio/src/exception.cc
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+++ b/arch/ia32/pistachio/src/exception.cc
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@@ -177,17 +177,6 @@
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printf ("invalid opcode by %t at IP %p\n", current, addr),
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"ia32_ud at %x (current=%x)", (u32_t)addr, (u32_t)current);
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- /* instruction emulation, only in user area! */
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- if (space->is_user_area(addr)) {
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- switch(space->get_from_user(addr)) {
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- case 0xf0: /* lock prefix */
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- /* fall trough */
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- default:
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- printf("invalid opcode at IP %p\n", addr);
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- enter_kdebug("invalid opcode");
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- }
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- }
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-
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continuation_t cont = ASM_CONTINUATION;
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send_exception_ipc(frame, IA32_EXC_INVALIDOPCODE, cont);
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}
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