61389cada8
- add sh kernel-address-in-user-mode exception support (seems to work for me, but XXX: some sh person should really look at this.)
26 lines
688 B
Text
26 lines
688 B
Text
$NetBSD: patch-af,v 1.1 2011/07/17 12:49:17 mrg Exp $
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--- src/cpus/memory_sh.cc.orig 2010-02-14 01:33:54.000000000 -0800
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+++ src/cpus/memory_sh.cc 2011-07-15 01:12:18.000000000 -0700
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@@ -273,15 +273,17 @@
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}
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if (user) {
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+ int expevt;
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+ int wf = flags & FLAG_WRITEFLAG;
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+
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if (flags & FLAG_NOEXCEPTIONS) {
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*return_paddr = 0;
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return 2;
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}
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- fatal("Userspace tried to access non-user space memory."
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- " TODO: cause exception! (vaddr=0x%08"PRIx32"\n",
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- (uint32_t) vaddr);
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- exit(1);
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+ expevt = wf? EXPEVT_TLB_PROT_ST : EXPEVT_TLB_PROT_LD;
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+ sh_exception(cpu, expevt, 0, (uint32_t)vaddr);
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+ return 0;
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}
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/* P1,P2: Direct-mapped physical memory. */
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