Commit 64f644c0 authored by Alexander van Heukelum's avatar Alexander van Heukelum Committed by Ingo Molnar

i386: convert hardware exception 5 to an interrupt gate

Handle bounds exception with interrupt initially off.
Signed-off-by: default avatarAlexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 8d6f9d69
...@@ -634,7 +634,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ ...@@ -634,7 +634,7 @@ void do_##name(struct pt_regs *regs, long error_code) \
DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow) DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow)
DO_VM86_TRAP(5, SIGSEGV, "bounds", bounds) DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds)
DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0)
DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS)
...@@ -1253,7 +1253,7 @@ void __init trap_init(void) ...@@ -1253,7 +1253,7 @@ void __init trap_init(void)
set_intr_gate(2, &nmi); set_intr_gate(2, &nmi);
set_system_intr_gate(3, &int3); /* int3 can be called from all */ set_system_intr_gate(3, &int3); /* int3 can be called from all */
set_system_intr_gate(4, &overflow); /* int4 can be called from all */ set_system_intr_gate(4, &overflow); /* int4 can be called from all */
set_trap_gate(5, &bounds); set_intr_gate(5, &bounds);
set_trap_gate(6, &invalid_op); set_trap_gate(6, &invalid_op);
set_trap_gate(7, &device_not_available); set_trap_gate(7, &device_not_available);
set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);
......
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