Ben Widawsky | 6287379 | 2011-06-24 11:42:03 -0700 | [diff] [blame] | 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 <ben@bwidawsk.net> |
| 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 |
| 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 |
| 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 |