summaryrefslogtreecommitdiffstatshomepage
path: root/trunk/src/emu/cpu/drcbec.h
diff options
context:
space:
mode:
Diffstat (limited to 'trunk/src/emu/cpu/drcbec.h')
-rw-r--r--trunk/src/emu/cpu/drcbec.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/trunk/src/emu/cpu/drcbec.h b/trunk/src/emu/cpu/drcbec.h
new file mode 100644
index 00000000000..ada16d7f055
--- /dev/null
+++ b/trunk/src/emu/cpu/drcbec.h
@@ -0,0 +1,88 @@
+/***************************************************************************
+
+ drcbec.h
+
+ Interpreted C core back-end for the universal machine language.
+
+****************************************************************************
+
+ Copyright Aaron Giles
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name 'MAME' nor the names of its contributors may be
+ used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __DRCBEC_H__
+#define __DRCBEC_H__
+
+#include "drcuml.h"
+#include "drcbeut.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+union drcbec_instruction;
+
+class drcbe_c : public drcbe_interface
+{
+public:
+ // construction/destruction
+ drcbe_c(drcuml_state &drcuml, device_t &device, drc_cache &cache, UINT32 flags, int modes, int addrbits, int ignorebits);
+ virtual ~drcbe_c();
+
+ // required overrides
+ virtual void reset();
+ virtual int execute(uml::code_handle &entry);
+ virtual void generate(drcuml_block &block, const uml::instruction *instlist, UINT32 numinst);
+ virtual bool hash_exists(UINT32 mode, UINT32 pc);
+ virtual void get_info(drcbe_info &info);
+
+private:
+ // helpers
+ void output_parameter(drcbec_instruction **dstptr, void **immedptr, int size, const uml::parameter &param);
+ void fixup_label(void *parameter, drccodeptr labelcodeptr);
+ int dmulu(UINT64 &dstlo, UINT64 &dsthi, UINT64 src1, UINT64 src2, int flags);
+ int dmuls(UINT64 &dstlo, UINT64 &dsthi, INT64 src1, INT64 src2, int flags);
+
+ // internal state
+ drc_hash_table m_hash; // hash table state
+ drc_map_variables m_map; // code map
+ drc_label_list m_labels; // label list
+ drc_label_fixup_delegate m_fixup_delegate; // precomputed delegate
+
+ static const UINT32 s_condition_map[32];
+ static UINT64 s_immediate_zero;
+};
+
+
+#endif /* __DRCBEC_H__ */