111 lines
4.4 KiB
C
111 lines
4.4 KiB
C
/******************************************************************************
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* Copyright (c) 2004, 2008 IBM Corporation
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* Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
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* All rights reserved.
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* This program and the accompanying materials
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* are made available under the terms of the BSD License
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* which accompanies this distribution, and is available at
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* http://www.opensource.org/licenses/bsd-license.php
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*
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* Contributors:
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* IBM Corporation - initial implementation
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*****************************************************************************/
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#ifndef _BIOSEMU_DEBUG_H_
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#define _BIOSEMU_DEBUG_H_
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#include <types.h>
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extern u32 debug_flags;
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// from x86emu...needed for debugging
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extern void x86emu_dump_xregs(void);
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/* printf is not available in coreboot... use printk */
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#include <console/console.h>
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/* uurgs... yuck... x86emu/x86emu.h is redefining printk... we include it here
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* and use its redefinition of printk
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* TODO: FIX!!!! */
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#include "x86emu/x86emu.h"
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#define printf printk
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/* PH: empty versions of set/clr_ci
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* TODO: remove! */
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static inline void clr_ci(void) {};
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static inline void set_ci(void) {};
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/* Set CONFIG_YABEL_DEBUG_FLAGS is a binary switch that allows you
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* to select the following items to debug. 1=on 0=off. After you
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* decide what you want to debug create the binary value, convert to hex
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* and set the Option (Ex. CONFIG_YABEL_DEBUG_FLAGS = 0x31FF //Debug All).
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*
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* |-DEBUG_JMP - print info about JMP and RETF opcodes from x86emu
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* ||-DEBUG_TRACE_X86EMU - print _all_ opcodes that are executed by x86emu (WARNING: this will produce a LOT of output)
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* |||-Currently unused
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* ||||-Currently unused
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* |||||-Currently unused
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* ||||||-DEBUG_PNP - Print Plug And Play access made by option rom
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* |||||||-DEBUG_DISK - Print Disk I/O related messages, currently unused
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* ||||||||-DEBUG_PMM - Print messages related to POST Memory Manager (PMM)
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* |||||||||-DEBUG_VBE - Print messages related to VESA BIOS Extension (VBE) functions
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* ||||||||||-DEBUG_PRINT_INT10 - let INT10 (i.e. character output) calls print messages to Debug output
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* |||||||||||-DEBUG_INTR - Print messages related to interrupt handling
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* ||||||||||||-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)
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* |||||||||||||-DEBUG_MEM - Print memory access made by option rom (NOTE: this also includes accesses to fetch instructions)
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* ||||||||||||||-DEBUG_IO - Print I/O access made by option rom
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* 11000111111111 - Max Binary Value, Debug All (WARNING: - This could run for hours)
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*/
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#define DEBUG_IO 0x1
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#define DEBUG_MEM 0x2
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// set this to print messages for certain virtual memory accesses (Interrupt Vectors, ...)
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#define DEBUG_CHECK_VMEM_ACCESS 0x4
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#define DEBUG_INTR 0x8
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#define DEBUG_PRINT_INT10 0x10 // set to have the INT10 routine print characters
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#define DEBUG_VBE 0x20
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#define DEBUG_PMM 0x40
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#define DEBUG_DISK 0x80
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#define DEBUG_PNP 0x100
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#define DEBUG_TRACE_X86EMU 0x1000
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// set to enable tracing of JMPs in x86emu
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#define DEBUG_JMP 0x2000
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//#define CONFIG_DEBUG
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//#undef CONFIG_DEBUG
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#ifdef CONFIG_DEBUG
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#define CHECK_DBG(_flag) if (debug_flags & _flag)
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#define DEBUG_PRINTF(_x...) printf(_x);
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// prints the CS:IP before the printout, NOTE: actually its CS:IP of the _next_ instruction
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// to be executed, since the x86emu advances CS:IP _before_ actually executing an instruction
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#define DEBUG_PRINTF_CS_IP(_x...) DEBUG_PRINTF("%x:%x ", M.x86.R_CS, M.x86.R_IP); DEBUG_PRINTF(_x);
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#define DEBUG_PRINTF_IO(_x...) CHECK_DBG(DEBUG_IO) { DEBUG_PRINTF_CS_IP(_x) }
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#define DEBUG_PRINTF_MEM(_x...) CHECK_DBG(DEBUG_MEM) { DEBUG_PRINTF_CS_IP(_x) }
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#define DEBUG_PRINTF_INTR(_x...) CHECK_DBG(DEBUG_INTR) { DEBUG_PRINTF_CS_IP(_x) }
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#define DEBUG_PRINTF_VBE(_x...) CHECK_DBG(DEBUG_VBE) { DEBUG_PRINTF_CS_IP(_x) }
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#define DEBUG_PRINTF_PMM(_x...) CHECK_DBG(DEBUG_PMM) { DEBUG_PRINTF_CS_IP(_x) }
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#define DEBUG_PRINTF_DISK(_x...) CHECK_DBG(DEBUG_DISK) { DEBUG_PRINTF_CS_IP(_x) }
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#define DEBUG_PRINTF_PNP(_x...) CHECK_DBG(DEBUG_PNP) { DEBUG_PRINTF_CS_IP(_x) }
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#else
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#define CHECK_DBG(_flag) if (0)
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#define DEBUG_PRINTF(_x...)
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#define DEBUG_PRINTF_CS_IP(_x...)
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#define DEBUG_PRINTF_IO(_x...)
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#define DEBUG_PRINTF_MEM(_x...)
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#define DEBUG_PRINTF_INTR(_x...)
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#define DEBUG_PRINTF_VBE(_x...)
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#define DEBUG_PRINTF_PMM(_x...)
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#define DEBUG_PRINTF_DISK(_x...)
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#define DEBUG_PRINTF_PNP(_x...)
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#endif //CONFIG_DEBUG
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void dump(u8 * addr, u32 len);
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#endif
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