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| author | Max Filippov <jcmvbkbc@gmail.com> | 2011-09-06 03:55:39 +0400 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-09-10 16:57:38 +0000 |
| commit | 8ffc2d0d97a59b25b48d023838906d5850e73184 (patch) | |
| tree | 8ee8749695c8a94917e3c376a06ccf7d7db2638e /target-xtensa | |
| parent | 28067b2288c70d7ce9a3735a777b73a627c71a1f (diff) | |
| download | qemu-8ffc2d0d97a59b25b48d023838906d5850e73184.zip qemu-8ffc2d0d97a59b25b48d023838906d5850e73184.tar.gz qemu-8ffc2d0d97a59b25b48d023838906d5850e73184.tar.bz2 | |
target-xtensa: implement CACHE group
All operations in this group are no-ops, because cache ought to be
transparent to applications. However cache may be abused, then we'll
need to actually implement these opcodes.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-xtensa')
| -rw-r--r-- | target-xtensa/translate.c | 95 |
1 files changed, 94 insertions, 1 deletions
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 4f1c18e..7d383b3 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -1012,7 +1012,100 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 7: /*CACHEc*/ - TBD(); + if (RRI8_T < 8) { + HAS_OPTION(XTENSA_OPTION_DCACHE); + } + + switch (RRI8_T) { + case 0: /*DPFRc*/ + break; + + case 1: /*DPFWc*/ + break; + + case 2: /*DPFROc*/ + break; + + case 3: /*DPFWOc*/ + break; + + case 4: /*DHWBc*/ + break; + + case 5: /*DHWBIc*/ + break; + + case 6: /*DHIc*/ + break; + + case 7: /*DIIc*/ + break; + + case 8: /*DCEc*/ + switch (OP1) { + case 0: /*DPFLl*/ + HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + break; + + case 2: /*DHUl*/ + HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + break; + + case 3: /*DIUl*/ + HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + break; + + case 4: /*DIWBc*/ + HAS_OPTION(XTENSA_OPTION_DCACHE); + break; + + case 5: /*DIWBIc*/ + HAS_OPTION(XTENSA_OPTION_DCACHE); + break; + + default: /*reserved*/ + RESERVED(); + break; + + } + break; + + case 12: /*IPFc*/ + HAS_OPTION(XTENSA_OPTION_ICACHE); + break; + + case 13: /*ICEc*/ + switch (OP1) { + case 0: /*IPFLl*/ + HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + break; + + case 2: /*IHUl*/ + HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + break; + + case 3: /*IIUl*/ + HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + break; + + default: /*reserved*/ + RESERVED(); + break; + } + break; + + case 14: /*IHIc*/ + HAS_OPTION(XTENSA_OPTION_ICACHE); + break; + + case 15: /*IIIc*/ + HAS_OPTION(XTENSA_OPTION_ICACHE); + break; + + default: /*reserved*/ + RESERVED(); + break; + } break; case 9: /*L16SI*/ |