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| author | Blue Swirl <blauwirbel@gmail.com> | 2010-10-13 18:38:08 +0000 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2010-10-13 18:43:19 +0000 |
| commit | 4581cbcdc3c70fa94c729da7e25c6a152936cfd3 (patch) | |
| tree | d4242721ab5f3416183926b892302f62af5caf83 /target-i386/op_helper.c | |
| parent | 2ded6ad761613e01d4690f290771961ba690d17e (diff) | |
| download | qemu-4581cbcdc3c70fa94c729da7e25c6a152936cfd3.zip qemu-4581cbcdc3c70fa94c729da7e25c6a152936cfd3.tar.gz qemu-4581cbcdc3c70fa94c729da7e25c6a152936cfd3.tar.bz2 | |
i386: avoid a write only variable
Compiling with GCC 4.6.0 20100925 produced warnings:
/src/qemu/target-i386/op_helper.c: In function 'switch_tss':
/src/qemu/target-i386/op_helper.c:283:53: error: variable 'new_trap' set but not used [-Werror=unused-but-set-variable]
Fix by adding a dummy cast so that the variable is not unused. Add also
pointer to docs.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-i386/op_helper.c')
| -rw-r--r-- | target-i386/op_helper.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index ec6b3e9..43fbd0c 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -349,6 +349,10 @@ static void switch_tss(int tss_selector, new_segs[R_GS] = 0; new_trap = 0; } + /* XXX: avoid a compiler warning, see + http://support.amd.com/us/Processor_TechDocs/24593.pdf + chapters 12.2.5 and 13.2.4 on how to implement TSS Trap bit */ + (void)new_trap; /* NOTE: we must avoid memory exceptions during the task switch, so we make dummy accesses before */ |