Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * Copyright (c) 2004, 2008 IBM Corporation |
| 3 | * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net> |
| 4 | * All rights reserved. |
| 5 | * This program and the accompanying materials |
| 6 | * are made available under the terms of the BSD License |
| 7 | * which accompanies this distribution, and is available at |
| 8 | * http://www.opensource.org/licenses/bsd-license.php |
| 9 | * |
| 10 | * Contributors: |
| 11 | * IBM Corporation - initial implementation |
| 12 | *****************************************************************************/ |
| 13 | #ifndef _BIOSEMU_DEBUG_H_ |
| 14 | #define _BIOSEMU_DEBUG_H_ |
| 15 | |
Denis 'GNUtoo' Carikli | 4cdc5d6 | 2013-05-15 00:19:49 +0200 | [diff] [blame] | 16 | #include <timer.h> |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 17 | #include <types.h> |
| 18 | |
Stefan Reinauer | 21f8193 | 2015-10-21 13:04:34 -0700 | [diff] [blame] | 19 | #if IS_ENABLED(CONFIG_X86EMU_DEBUG_TIMINGS) |
Denis 'GNUtoo' Carikli | 4cdc5d6 | 2013-05-15 00:19:49 +0200 | [diff] [blame] | 20 | extern struct mono_time zero; |
| 21 | #endif |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 22 | extern u32 debug_flags; |
| 23 | // from x86emu...needed for debugging |
| 24 | extern void x86emu_dump_xregs(void); |
| 25 | |
| 26 | /* printf is not available in coreboot... use printk */ |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 27 | #include <console/console.h> |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 28 | #include "x86emu/x86emu.h" |
Uwe Hermann | 01ce601 | 2010-03-05 10:03:50 +0000 | [diff] [blame] | 29 | #define printf(x...) printk(BIOS_DEBUG, x) |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 30 | |
| 31 | /* PH: empty versions of set/clr_ci |
| 32 | * TODO: remove! */ |
| 33 | static inline void clr_ci(void) {}; |
| 34 | static inline void set_ci(void) {}; |
| 35 | |
Uwe Hermann | 01ce601 | 2010-03-05 10:03:50 +0000 | [diff] [blame] | 36 | /* debug_flags is a binary switch that allows you to select the following items |
| 37 | * to debug. 1=on 0=off. After you decide what you want to debug create the |
| 38 | * binary value, convert to hex and set the option. These options can be |
| 39 | * selected in Kconfig. |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 40 | * |
| 41 | * |-DEBUG_JMP - print info about JMP and RETF opcodes from x86emu |
| 42 | * ||-DEBUG_TRACE_X86EMU - print _all_ opcodes that are executed by x86emu (WARNING: this will produce a LOT of output) |
| 43 | * |||-Currently unused |
| 44 | * ||||-Currently unused |
| 45 | * |||||-Currently unused |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 46 | * ||||||-DEBUG_PNP - Print Plug And Play access made by option rom |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 47 | * |||||||-DEBUG_DISK - Print Disk I/O related messages, currently unused |
| 48 | * ||||||||-DEBUG_PMM - Print messages related to POST Memory Manager (PMM) |
| 49 | * |||||||||-DEBUG_VBE - Print messages related to VESA BIOS Extension (VBE) functions |
| 50 | * ||||||||||-DEBUG_PRINT_INT10 - let INT10 (i.e. character output) calls print messages to Debug output |
| 51 | * |||||||||||-DEBUG_INTR - Print messages related to interrupt handling |
| 52 | * ||||||||||||-DEBUG_CHECK_VMEM_ACCESS - Print messages related to accesse to certain areas of the virtual Memory (e.g. BDA (BIOS Data Area) or Interrupt Vectors) |
| 53 | * |||||||||||||-DEBUG_MEM - Print memory access made by option rom (NOTE: this also includes accesses to fetch instructions) |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 54 | * ||||||||||||||-DEBUG_IO - Print I/O access made by option rom |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 55 | * 11000111111111 - Max Binary Value, Debug All (WARNING: - This could run for hours) |
| 56 | */ |
| 57 | |
| 58 | #define DEBUG_IO 0x1 |
| 59 | #define DEBUG_MEM 0x2 |
| 60 | // set this to print messages for certain virtual memory accesses (Interrupt Vectors, ...) |
| 61 | #define DEBUG_CHECK_VMEM_ACCESS 0x4 |
| 62 | #define DEBUG_INTR 0x8 |
| 63 | #define DEBUG_PRINT_INT10 0x10 // set to have the INT10 routine print characters |
| 64 | #define DEBUG_VBE 0x20 |
| 65 | #define DEBUG_PMM 0x40 |
| 66 | #define DEBUG_DISK 0x80 |
| 67 | #define DEBUG_PNP 0x100 |
| 68 | |
| 69 | #define DEBUG_TRACE_X86EMU 0x1000 |
| 70 | // set to enable tracing of JMPs in x86emu |
| 71 | #define DEBUG_JMP 0x2000 |
| 72 | |
Stefan Reinauer | 21f8193 | 2015-10-21 13:04:34 -0700 | [diff] [blame] | 73 | #if IS_ENABLED(CONFIG_X86EMU_DEBUG) |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 74 | |
| 75 | #define CHECK_DBG(_flag) if (debug_flags & _flag) |
| 76 | |
| 77 | #define DEBUG_PRINTF(_x...) printf(_x); |
| 78 | // prints the CS:IP before the printout, NOTE: actually its CS:IP of the _next_ instruction |
| 79 | // to be executed, since the x86emu advances CS:IP _before_ actually executing an instruction |
Denis 'GNUtoo' Carikli | 4cdc5d6 | 2013-05-15 00:19:49 +0200 | [diff] [blame] | 80 | |
Stefan Reinauer | 21f8193 | 2015-10-21 13:04:34 -0700 | [diff] [blame] | 81 | #if IS_ENABLED(CONFIG_X86EMU_DEBUG_TIMINGS) |
Denis 'GNUtoo' Carikli | 4cdc5d6 | 2013-05-15 00:19:49 +0200 | [diff] [blame] | 82 | #define DEBUG_PRINTF_CS_IP(_x...) DEBUG_PRINTF("[%08lx]%x:%x ", (current_time_from(&zero)).microseconds, M.x86.R_CS, M.x86.R_IP); DEBUG_PRINTF(_x); |
| 83 | #else |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 84 | #define DEBUG_PRINTF_CS_IP(_x...) DEBUG_PRINTF("%x:%x ", M.x86.R_CS, M.x86.R_IP); DEBUG_PRINTF(_x); |
Denis 'GNUtoo' Carikli | 4cdc5d6 | 2013-05-15 00:19:49 +0200 | [diff] [blame] | 85 | #endif |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 86 | |
| 87 | #define DEBUG_PRINTF_IO(_x...) CHECK_DBG(DEBUG_IO) { DEBUG_PRINTF_CS_IP(_x) } |
| 88 | #define DEBUG_PRINTF_MEM(_x...) CHECK_DBG(DEBUG_MEM) { DEBUG_PRINTF_CS_IP(_x) } |
| 89 | #define DEBUG_PRINTF_INTR(_x...) CHECK_DBG(DEBUG_INTR) { DEBUG_PRINTF_CS_IP(_x) } |
| 90 | #define DEBUG_PRINTF_VBE(_x...) CHECK_DBG(DEBUG_VBE) { DEBUG_PRINTF_CS_IP(_x) } |
| 91 | #define DEBUG_PRINTF_PMM(_x...) CHECK_DBG(DEBUG_PMM) { DEBUG_PRINTF_CS_IP(_x) } |
| 92 | #define DEBUG_PRINTF_DISK(_x...) CHECK_DBG(DEBUG_DISK) { DEBUG_PRINTF_CS_IP(_x) } |
| 93 | #define DEBUG_PRINTF_PNP(_x...) CHECK_DBG(DEBUG_PNP) { DEBUG_PRINTF_CS_IP(_x) } |
| 94 | |
| 95 | #else |
| 96 | |
| 97 | #define CHECK_DBG(_flag) if (0) |
| 98 | |
| 99 | #define DEBUG_PRINTF(_x...) |
| 100 | #define DEBUG_PRINTF_CS_IP(_x...) |
| 101 | |
| 102 | #define DEBUG_PRINTF_IO(_x...) |
| 103 | #define DEBUG_PRINTF_MEM(_x...) |
| 104 | #define DEBUG_PRINTF_INTR(_x...) |
| 105 | #define DEBUG_PRINTF_VBE(_x...) |
| 106 | #define DEBUG_PRINTF_PMM(_x...) |
| 107 | #define DEBUG_PRINTF_DISK(_x...) |
| 108 | #define DEBUG_PRINTF_PNP(_x...) |
| 109 | |
Myles Watson | 8e9234f | 2010-02-19 19:08:11 +0000 | [diff] [blame] | 110 | #endif //DEBUG |
Stefan Reinauer | 38cd29e | 2009-08-11 21:28:25 +0000 | [diff] [blame] | 111 | |
| 112 | void dump(u8 * addr, u32 len); |
| 113 | |
| 114 | #endif |