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Separate fault for code access to unassigned memory

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2876 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-05-27 19:36:00 +00:00
parent b3a2319792
commit 1b2e93c175
2 changed files with 10 additions and 2 deletions
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2
target-sparc/cpu.h
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@ -40,6 +40,7 @@
#define TT_DFAULT 0x09
#define TT_TOVF 0x0a
#define TT_EXTINT 0x10
#define TT_CODE_ACCESS 0x21
#define TT_DATA_ACCESS 0x29
#define TT_DIV_ZERO 0x2a
#define TT_NCP_INSN 0x24
@ -47,6 +48,7 @@
#else
#define TT_TFAULT 0x08
#define TT_TMISS 0x09
#define TT_CODE_ACCESS 0x0a
#define TT_ILL_INSN 0x10
#define TT_PRIV_INSN 0x11
#define TT_NFPU_INSN 0x20

10
target-sparc/op_helper.c
View File

@ -1111,7 +1111,10 @@ void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
"\n", addr, env->pc);
#endif
raise_exception(TT_DATA_ACCESS);
if (is_exec)
raise_exception(TT_CODE_ACCESS);
else
raise_exception(TT_DATA_ACCESS);
}
env = saved_env;
}
@ -1130,7 +1133,10 @@ void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
addr, env->pc);
env = saved_env;
#endif
raise_exception(TT_DATA_ACCESS);
if (is_exec)
raise_exception(TT_CODE_ACCESS);
else
raise_exception(TT_DATA_ACCESS);
}
#endif