git subrepo pull --force deps/lightrec

[pcsx_rearmed.git] / deps / lightrec / disassembler.h

diff --git a/deps/lightrec/disassembler.h b/deps/lightrec/disassembler.h
index 249d094..9abc28e 100644 (file)
--- a/deps/lightrec/disassembler.h
+++ b/deps/lightrec/disassembler.h
@@ -1,15 +1,6 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
- * Copyright (C) 2014-2020 Paul Cercueil <paul@crapouillou.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
+ * Copyright (C) 2014-2021 Paul Cercueil <paul@crapouillou.net>
  */
 
 #ifndef __DISASSEMBLER_H__
@@ -22,14 +13,41 @@
 #define __packed __attribute__((packed))
 #endif
 
-#define LIGHTREC_DIRECT_IO     (1 << 0)
-#define LIGHTREC_NO_INVALIDATE (1 << 1)
-#define LIGHTREC_NO_DS         (1 << 2)
-#define LIGHTREC_SMC           (1 << 3)
-#define LIGHTREC_EMULATE_BRANCH        (1 << 4)
-#define LIGHTREC_LOCAL_BRANCH  (1 << 5)
-#define LIGHTREC_HW_IO         (1 << 6)
-#define LIGHTREC_MULT32                (1 << 7)
+#define BIT(x) (1ULL << (x))
+
+/* Flags for all opcodes */
+#define LIGHTREC_NO_DS         BIT(0)
+#define LIGHTREC_UNLOAD_RS     BIT(1)
+#define LIGHTREC_UNLOAD_RT     BIT(2)
+#define LIGHTREC_UNLOAD_RD     BIT(3)
+#define LIGHTREC_SYNC          BIT(4)
+
+/* Flags for load/store opcodes */
+#define LIGHTREC_SMC           BIT(5)
+#define LIGHTREC_NO_INVALIDATE BIT(6)
+#define LIGHTREC_NO_MASK       BIT(7)
+
+/* I/O mode for load/store opcodes */
+#define LIGHTREC_IO_MODE_LSB   8
+#define LIGHTREC_IO_MODE(x)    ((x) << LIGHTREC_IO_MODE_LSB)
+#define LIGHTREC_IO_UNKNOWN    0x0
+#define LIGHTREC_IO_DIRECT     0x1
+#define LIGHTREC_IO_HW         0x2
+#define LIGHTREC_IO_RAM                0x3
+#define LIGHTREC_IO_BIOS       0x4
+#define LIGHTREC_IO_SCRATCH    0x5
+#define LIGHTREC_IO_MASK       LIGHTREC_IO_MODE(0x7)
+#define LIGHTREC_FLAGS_GET_IO_MODE(x) \
+       (((x) & LIGHTREC_IO_MASK) >> LIGHTREC_IO_MODE_LSB)
+
+/* Flags for branches */
+#define LIGHTREC_EMULATE_BRANCH        BIT(5)
+#define LIGHTREC_LOCAL_BRANCH  BIT(6)
+
+/* Flags for div/mult opcodes */
+#define LIGHTREC_NO_LO         BIT(5)
+#define LIGHTREC_NO_HI         BIT(6)
+#define LIGHTREC_NO_DIV_CHECK  BIT(7)
 
 struct block;
 
@@ -67,13 +85,10 @@ enum standard_opcodes {
        OP_LWC2                 = 0x32,
        OP_SWC2                 = 0x3a,
 
-       OP_META_REG_UNLOAD      = 0x11,
-
-       OP_META_BEQZ            = 0x14,
-       OP_META_BNEZ            = 0x15,
-
        OP_META_MOV             = 0x16,
-       OP_META_SYNC            = 0x17,
+
+       OP_META_EXTC            = 0x17,
+       OP_META_EXTS            = 0x18,
 };
 
 enum special_opcodes {
@@ -195,18 +210,8 @@ struct opcode {
                struct opcode_j j;
        };
        u16 flags;
-       u16 offset;
-       struct opcode *next;
 };
 
-struct opcode * lightrec_disassemble(struct lightrec_state *state,
-                                    const u32 *src, unsigned int *len);
-void lightrec_free_opcode_list(struct lightrec_state *state,
-                              struct opcode *list);
-
-unsigned int lightrec_cycles_of_opcode(union code code);
-
-void lightrec_print_disassembly(const struct block *block,
-                               const u32 *code, unsigned int length);
+void lightrec_print_disassembly(const struct block *block, const u32 *code);
 
 #endif /* __DISASSEMBLER_H__ */