1 /*
2 * Copyright © 2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Ben Widawsky <[email protected]>
25 *
26 */
27
28 #ifndef _DEBUG_H_
29 #define _DEBUG_H_
30
31 #define DEBUG_PROTOCOL_VERSION 1
32 #define COMMUNICATION_OFFSET 0xc00
33 #define COMMUNICATION_QWORD 0xc0
34
35 #define STATE_EU_MSG 0x47534d65 /* eMSG */
36 #define STATE_CPU_ACK 0x4b434163 /* cACK */
37 #define STATE_OFFSET 0xc20
38 #define STATE_QWORD 0xc2
39
40 #define TX_OFFSET 0xc40
41 #define TX_QWORD 0xc4
42 #define RX_OFFSET 0xc60
43 #define RX_QWORD 0xc6
44
45 #ifndef GEN_ASM
46 typedef uint32_t grf[8];
47 typedef uint32_t mrf[8];
48 typedef uint8_t cr[12];
49 typedef uint32_t sr;
50
51 #define DWORD8(x) {x, x, x, x, x, x, x, x}
52
53 const static grf protocol_version = DWORD8(DEBUG_PROTOCOL_VERSION);
54 const static grf eu_msg = DWORD8(STATE_EU_MSG);
55 const static grf cpu_ack = DWORD8(STATE_CPU_ACK);
56
57 struct eu_state {
58 mrf m_regs[15];
59 grf g_regs[16];
60 grf pad;
61
62 /* 0x400 */
63 cr cr0;
64 sr sr0;
65 uint32_t beef_pad[4];
66 uint8_t pad2[992 + 1024];
67
68 /* 0xc00 COMMUNICATION_OFFSET */
69 grf version;
70 grf state_magic;
71 grf eu_tx;
72 grf eu_rx;
73
74 uint8_t pad3[896];
75 } __attribute__((packed));
76
77 static inline void
print_reg(uint8_t reg[32])78 print_reg(uint8_t reg[32]) {
79 uint32_t *dwords = (uint32_t *)reg;
80 printf("%08x %08x %08x %08x %08x %08x %08x %08x",
81 dwords[7], dwords[6], dwords[5], dwords[4],
82 dwords[3], dwords[2], dwords[1], dwords[0]);
83 }
84
85 static inline void
print_creg(uint8_t reg[12])86 print_creg(uint8_t reg[12]) {
87 uint32_t *dwords = (uint32_t *)reg;
88 printf("%08x %08x %08x", dwords[2], dwords[1], dwords[0]);
89 }
90 #endif
91
92 #endif
93