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#ifndef _TEST_TRACE_C_H_
#define _TEST_TRACE_C_H_
/* the base address of trace device */
#define TRACE_DEV_BASE_ADDR 0x21000000
/*the register addresses of the trace device */
#define TRACE_DEV_REG_SWITCH 0
#define TRACE_DEV_REG_FORK 1
#define TRACE_DEV_REG_EXECVE_PID 2
#define TRACE_DEV_REG_EXECVE_VMSTART 3
#define TRACE_DEV_REG_EXECVE_VMEND 4
#define TRACE_DEV_REG_EXECVE_OFFSET 5
#define TRACE_DEV_REG_EXECVE_EXEPATH 6
#define TRACE_DEV_REG_EXIT 7
#define TRACE_DEV_REG_CMDLINE 8
#define TRACE_DEV_REG_CMDLINE_LEN 9
#define TRACE_DEV_REG_MMAP_EXEPATH 10
#define TRACE_DEV_REG_INIT_PID 11
#define TRACE_DEV_REG_INIT_NAME 12
#define TRACE_DEV_REG_CLONE 13
#define TRACE_DEV_REG_DYN_SYM 50
#define TRACE_DEV_REG_DYN_SYM_ADDR 51
#define TRACE_DEV_REG_PRINT_STR 60
#define TRACE_DEV_REG_PRINT_NUM_DEC 61
#define TRACE_DEV_REG_PRINT_NUM_HEX 62
#define TRACE_DEV_REG_STOP_EMU 90
#define TRACE_DEV_REG_ENABLE 100
#define TRACE_DEV_REG_DISABLE 101
/* write a word to a trace device register */
#define DEV_WRITE_WORD(addr,value)\
(*(volatile unsigned long *)(TRACE_DEV_BASE_ADDR + ((addr) << 2)) = (value))
/*************************************************************/
/* generates test events */
/* context switch */
#define TRACE_SWITCH(pid) DEV_WRITE_WORD(TRACE_DEV_REG_SWITCH, (pid))
/* fork */
#define TRACE_FORK(pid) DEV_WRITE_WORD(TRACE_DEV_REG_FORK, (pid))
/* clone */
#define TRACE_CLONE(pid) DEV_WRITE_WORD(TRACE_DEV_REG_CLONE, (pid))
/* dump name and path of threads executed before trace device created */
#define TRACE_INIT_NAME(pid,path)\
do {\
DEV_WRITE_WORD(TRACE_DEV_REG_INIT_PID, (pid));\
DEV_WRITE_WORD(TRACE_DEV_REG_INIT_NAME, (unsigned long)(path));\
}while(0)
/* dump exec mapping of threads executed before trace device created */
#define TRACE_INIT_EXEC(vstart,vend,eoff,path)\
do {\
DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMSTART, (vstart));\
DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMEND, (vend));\
DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_OFFSET, (eoff));\
DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_EXEPATH, (unsigned long)(path));\
}while(0)
/* mmap */
#define TRACE_MMAP(vstart,vend,eoff,path)\
do {\
DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMSTART, (vstart));\
DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMEND, (vend));\
DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_OFFSET, (eoff));\
DEV_WRITE_WORD(TRACE_DEV_REG_MMAP_EXEPATH, (unsigned long)(path));\
}while(0)
/* execve */
#define TRACE_EXECVE(cmdlen,cmd)\
do {\
DEV_WRITE_WORD(TRACE_DEV_REG_CMDLINE_LEN, (cmdlen));\
DEV_WRITE_WORD(TRACE_DEV_REG_CMDLINE, (unsigned long)(cmd));\
}while(0)
/* exit */
#define TRACE_EXIT(retv) DEV_WRITE_WORD(TRACE_DEV_REG_EXIT, (retv))
/* other commands */
/* stop emulation */
#define TRACE_STOP_EMU() DEV_WRITE_WORD(TRACE_DEV_REG_STOP_EMU, 1)
/* enable/disable tracing */
#define TRACE_ENABLE_TRACING() DEV_WRITE_WORD(TRACE_DEV_REG_ENABLE, 1)
#define TRACE_DISABLE_TRACING() DEV_WRITE_WORD(TRACE_DEV_REG_DISABLE, 1)
/* dynamic symbols */
#define TRACE_DYN_SYM(addr,sym)\
do {\
DEV_WRITE_WORD(TRACE_DEV_REG_DYN_SYM_ADDR, (addr));\
DEV_WRITE_WORD(TRACE_DEV_REG_DYN_SYM, (unsigned long)(sym));\
}while(0)
/* prints */
#define PRINT_STR(str) DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_STR, (unsigned long)(str))
#define PRINT_NUM_DEC(num) DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_NUM_DEC, (num))
#define PRINT_NUM_HEX(num) DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_NUM_HEX, (num))
#endif
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