1 /******************************************************************************
2 * Copyright (c) 2004, 2008 IBM Corporation
4 * This program and the accompanying materials
5 * are made available under the terms of the BSD License
6 * which accompanies this distribution, and is available at
7 * http://www.opensource.org/licenses/bsd-license.php
10 * IBM Corporation - initial implementation
11 *****************************************************************************/
12 #ifndef _BIOSEMU_DEBUG_H_
13 #define _BIOSEMU_DEBUG_H_
18 extern uint32_t debug_flags;
19 // from x86emu...needed for debugging
20 extern void x86emu_dump_xregs(void);
24 // set this to print messages for certain virtual memory accesses (Interrupt Vectors, ...)
25 #define DEBUG_CHECK_VMEM_ACCESS 0x4
26 #define DEBUG_INTR 0x8
27 #define DEBUG_PRINT_INT10 0x10 // set to have the INT10 routine print characters
28 #define DEBUG_VBE 0x20
29 #define DEBUG_PMM 0x40
30 #define DEBUG_DISK 0x80
31 #define DEBUG_PNP 0x100
33 #define DEBUG_TRACE_X86EMU 0x1000
34 // set to enable tracing of JMPs in x86emu
35 #define DEBUG_JMP 0x2000
40 #define CHECK_DBG(_flag) if (debug_flags & _flag)
42 #define DEBUG_PRINTF(_x...) printf(_x);
43 // prints the CS:IP before the printout, NOTE: actually its CS:IP of the _next_ instruction
44 // to be executed, since the x86emu advances CS:IP _before_ actually executing an instruction
45 #define DEBUG_PRINTF_CS_IP(_x...) DEBUG_PRINTF("%x:%x ", M.x86.R_CS, M.x86.R_IP); DEBUG_PRINTF(_x);
47 #define DEBUG_PRINTF_IO(_x...) CHECK_DBG(DEBUG_IO) { DEBUG_PRINTF_CS_IP(_x) }
48 #define DEBUG_PRINTF_MEM(_x...) CHECK_DBG(DEBUG_MEM) { DEBUG_PRINTF_CS_IP(_x) }
49 #define DEBUG_PRINTF_INTR(_x...) CHECK_DBG(DEBUG_INTR) { DEBUG_PRINTF_CS_IP(_x) }
50 #define DEBUG_PRINTF_VBE(_x...) CHECK_DBG(DEBUG_VBE) { DEBUG_PRINTF_CS_IP(_x) }
51 #define DEBUG_PRINTF_PMM(_x...) CHECK_DBG(DEBUG_PMM) { DEBUG_PRINTF_CS_IP(_x) }
52 #define DEBUG_PRINTF_DISK(_x...) CHECK_DBG(DEBUG_DISK) { DEBUG_PRINTF_CS_IP(_x) }
53 #define DEBUG_PRINTF_PNP(_x...) CHECK_DBG(DEBUG_PNP) { DEBUG_PRINTF_CS_IP(_x) }
57 #define CHECK_DBG(_flag) if (0)
59 #define DEBUG_PRINTF(_x...)
60 #define DEBUG_PRINTF_CS_IP(_x...)
62 #define DEBUG_PRINTF_IO(_x...)
63 #define DEBUG_PRINTF_MEM(_x...)
64 #define DEBUG_PRINTF_INTR(_x...)
65 #define DEBUG_PRINTF_VBE(_x...)
66 #define DEBUG_PRINTF_PMM(_x...)
67 #define DEBUG_PRINTF_DISK(_x...)
68 #define DEBUG_PRINTF_PNP(_x...)
72 void dump(uint8_t * addr, uint32_t len);