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1 | #ifndef MICROBLAZE_H |
2 | #define MICROBLAZE_H | |
3 | ||
4 | /* Copyright 2009 Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of the Xilinx MicroBlaze simulator. | |
7 | ||
8 | This library is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | MA 02110-1301, USA. */ | |
22 | ||
23 | #include "../../opcodes/microblaze-opcm.h" | |
24 | ||
25 | #define GET_RD ((inst & RD_MASK) >> RD_LOW) | |
26 | #define GET_RA ((inst & RA_MASK) >> RA_LOW) | |
27 | #define GET_RB ((inst & RB_MASK) >> RB_LOW) | |
28 | ||
29 | #define CPU microblaze_state.cpu[0].microblaze_cpu | |
30 | ||
31 | #define RD CPU.regs[rd] | |
32 | #define RA CPU.regs[ra] | |
33 | #define RB CPU.regs[rb] | |
34 | /* #define IMM immword */ | |
35 | ||
36 | #define SA CPU.spregs[IMM & 0x1] | |
37 | ||
38 | #define IMM_H CPU.imm_high | |
39 | #define IMM_L ((inst & IMM_MASK) >> IMM_LOW) | |
40 | ||
41 | #define IMM_ENABLE CPU.imm_enable | |
42 | ||
43 | #define IMM (IMM_ENABLE ? \ | |
44 | (((uhalf)IMM_H << 16) | (uhalf)IMM_L) : \ | |
45 | (imm_unsigned ? \ | |
46 | (0xFFFF & IMM_L) : \ | |
47 | (IMM_L & 0x8000 ? \ | |
48 | (0xFFFF0000 | IMM_L) : \ | |
49 | (0x0000FFFF & IMM_L)))) | |
50 | ||
51 | #define PC CPU.spregs[0] | |
52 | #define MSR CPU.spregs[1] | |
53 | #define SP CPU.regs[29] | |
54 | #define RETREG CPU.regs[3] | |
55 | ||
56 | ||
57 | #define MEM(X) memory[X] | |
58 | ||
59 | #define MEM_RD_BYTE(X) rbat(X) | |
60 | #define MEM_RD_HALF(X) rhat(X) | |
61 | #define MEM_RD_WORD(X) rlat(X) | |
62 | #define MEM_RD_UBYTE(X) (ubyte) MEM_RD_BYTE(X) | |
63 | #define MEM_RD_UHALF(X) (uhalf) MEM_RD_HALF(X) | |
64 | #define MEM_RD_UWORD(X) (uword) MEM_RD_WORD(X) | |
65 | ||
66 | #define MEM_WR_BYTE(X, D) wbat(X, D) | |
67 | #define MEM_WR_HALF(X, D) what(X, D) | |
68 | #define MEM_WR_WORD(X, D) wlat(X, D) | |
69 | ||
70 | ||
71 | #define MICROBLAZE_SEXT8(X) ((char) X) | |
72 | #define MICROBLAZE_SEXT16(X) ((short) X) | |
73 | ||
74 | ||
75 | #define CARRY carry | |
76 | #define C_rd ((MSR & 0x4) >> 2) | |
77 | #define C_wr(D) MSR = (D ? MSR | 0x80000004 : MSR & 0x7FFFFFFB) | |
78 | ||
79 | #define C_calc(X, Y, C) ((((uword)Y == MAX_WORD) && (C == 1)) ? \ | |
80 | 1 : \ | |
81 | ((MAX_WORD - (uword)X) < ((uword)Y + C))) | |
82 | ||
83 | #define BIP_MASK 0x00000008 | |
84 | #define CARRY_MASK 0x00000004 | |
85 | #define INTR_EN_MASK 0x00000002 | |
86 | #define BUSLOCK_MASK 0x00000001 | |
87 | ||
88 | #define DELAY_SLOT delay_slot_enable = 1 | |
89 | #define BRANCH branch_taken = 1 | |
90 | ||
91 | #define NUM_REGS 32 | |
92 | #define NUM_SPECIAL 2 | |
93 | #define INST_SIZE 4 | |
94 | ||
95 | #define MAX_WORD 0xFFFFFFFF | |
96 | #define MICROBLAZE_HALT_INST 0xb8000000 | |
97 | ||
98 | typedef char byte; | |
99 | typedef short half; | |
100 | typedef int word; | |
101 | typedef unsigned char ubyte; | |
102 | typedef unsigned short uhalf; | |
103 | typedef unsigned int uword; | |
104 | ||
105 | #endif /* MICROBLAZE_H */ | |
106 |