| /****************************************************************************** |
| * Copyright (c) 2004, 2008 IBM Corporation |
| * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net> |
| * All rights reserved. |
| * This program and the accompanying materials |
| * are made available under the terms of the BSD License |
| * which accompanies this distribution, and is available at |
| * http://www.opensource.org/licenses/bsd-license.php |
| * |
| * Contributors: |
| * IBM Corporation - initial implementation |
| *****************************************************************************/ |
| #ifndef _BIOSEMU_DEBUG_H_ |
| #define _BIOSEMU_DEBUG_H_ |
| |
| #include <types.h> |
| |
| extern u32 debug_flags; |
| // from x86emu...needed for debugging |
| extern void x86emu_dump_xregs(void); |
| |
| /* printf is not available in coreboot... use printk */ |
| #include <console/console.h> |
| #include "x86emu/x86emu.h" |
| #define printf(x...) printk(BIOS_DEBUG, x) |
| |
| /* PH: empty versions of set/clr_ci |
| * TODO: remove! */ |
| static inline void clr_ci(void) {}; |
| static inline void set_ci(void) {}; |
| |
| /* debug_flags is a binary switch that allows you to select the following items |
| * to debug. 1=on 0=off. After you decide what you want to debug create the |
| * binary value, convert to hex and set the option. These options can be |
| * selected in Kconfig. |
| * |
| * |-DEBUG_JMP - print info about JMP and RETF opcodes from x86emu |
| * ||-DEBUG_TRACE_X86EMU - print _all_ opcodes that are executed by x86emu (WARNING: this will produce a LOT of output) |
| * |||-Currently unused |
| * ||||-Currently unused |
| * |||||-Currently unused |
| * ||||||-DEBUG_PNP - Print Plug And Play access made by option rom |
| * |||||||-DEBUG_DISK - Print Disk I/O related messages, currently unused |
| * ||||||||-DEBUG_PMM - Print messages related to POST Memory Manager (PMM) |
| * |||||||||-DEBUG_VBE - Print messages related to VESA BIOS Extension (VBE) functions |
| * ||||||||||-DEBUG_PRINT_INT10 - let INT10 (i.e. character output) calls print messages to Debug output |
| * |||||||||||-DEBUG_INTR - Print messages related to interrupt handling |
| * ||||||||||||-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) |
| * |||||||||||||-DEBUG_MEM - Print memory access made by option rom (NOTE: this also includes accesses to fetch instructions) |
| * ||||||||||||||-DEBUG_IO - Print I/O access made by option rom |
| * 11000111111111 - Max Binary Value, Debug All (WARNING: - This could run for hours) |
| */ |
| |
| #define DEBUG_IO 0x1 |
| #define DEBUG_MEM 0x2 |
| // set this to print messages for certain virtual memory accesses (Interrupt Vectors, ...) |
| #define DEBUG_CHECK_VMEM_ACCESS 0x4 |
| #define DEBUG_INTR 0x8 |
| #define DEBUG_PRINT_INT10 0x10 // set to have the INT10 routine print characters |
| #define DEBUG_VBE 0x20 |
| #define DEBUG_PMM 0x40 |
| #define DEBUG_DISK 0x80 |
| #define DEBUG_PNP 0x100 |
| |
| #define DEBUG_TRACE_X86EMU 0x1000 |
| // set to enable tracing of JMPs in x86emu |
| #define DEBUG_JMP 0x2000 |
| |
| #if CONFIG_X86EMU_DEBUG |
| |
| #define CHECK_DBG(_flag) if (debug_flags & _flag) |
| |
| #define DEBUG_PRINTF(_x...) printf(_x); |
| // prints the CS:IP before the printout, NOTE: actually its CS:IP of the _next_ instruction |
| // to be executed, since the x86emu advances CS:IP _before_ actually executing an instruction |
| #define DEBUG_PRINTF_CS_IP(_x...) DEBUG_PRINTF("%x:%x ", M.x86.R_CS, M.x86.R_IP); DEBUG_PRINTF(_x); |
| |
| #define DEBUG_PRINTF_IO(_x...) CHECK_DBG(DEBUG_IO) { DEBUG_PRINTF_CS_IP(_x) } |
| #define DEBUG_PRINTF_MEM(_x...) CHECK_DBG(DEBUG_MEM) { DEBUG_PRINTF_CS_IP(_x) } |
| #define DEBUG_PRINTF_INTR(_x...) CHECK_DBG(DEBUG_INTR) { DEBUG_PRINTF_CS_IP(_x) } |
| #define DEBUG_PRINTF_VBE(_x...) CHECK_DBG(DEBUG_VBE) { DEBUG_PRINTF_CS_IP(_x) } |
| #define DEBUG_PRINTF_PMM(_x...) CHECK_DBG(DEBUG_PMM) { DEBUG_PRINTF_CS_IP(_x) } |
| #define DEBUG_PRINTF_DISK(_x...) CHECK_DBG(DEBUG_DISK) { DEBUG_PRINTF_CS_IP(_x) } |
| #define DEBUG_PRINTF_PNP(_x...) CHECK_DBG(DEBUG_PNP) { DEBUG_PRINTF_CS_IP(_x) } |
| |
| #else |
| |
| #define CHECK_DBG(_flag) if (0) |
| |
| #define DEBUG_PRINTF(_x...) |
| #define DEBUG_PRINTF_CS_IP(_x...) |
| |
| #define DEBUG_PRINTF_IO(_x...) |
| #define DEBUG_PRINTF_MEM(_x...) |
| #define DEBUG_PRINTF_INTR(_x...) |
| #define DEBUG_PRINTF_VBE(_x...) |
| #define DEBUG_PRINTF_PMM(_x...) |
| #define DEBUG_PRINTF_DISK(_x...) |
| #define DEBUG_PRINTF_PNP(_x...) |
| |
| #endif //DEBUG |
| |
| void dump(u8 * addr, u32 len); |
| |
| #endif |
