xtensa_fileio.c File Reference

Include dependency graph for xtensa_fileio.c:

Go to the source code of this file.

Macros
#define	XTENSA_SYSCALL(x)   XT_INS_BREAK(x, 1, 14)
#define	XTENSA_SYSCALL_LEN_MAX   255
#define	XTENSA_SYSCALL_SZ   3

Functions
int	xtensa_fileio_detect_proc (struct target *target)
	Checks for and processes an Xtensa File-IO request. More...
int	xtensa_fileio_init (struct target *target)
int	xtensa_gdb_fileio_end (struct target *target, int retcode, int fileio_errno, bool ctrl_c)
int	xtensa_get_gdb_fileio_info (struct target *target, struct gdb_fileio_info *fileio_info)

Macro Definition Documentation

XTENSA_SYSCALL

#define XTENSA_SYSCALL

(

x

)

XT_INS_BREAK(x, 1, 14)

Definition at line 16 of file xtensa_fileio.c.

XTENSA_SYSCALL_LEN_MAX

#define XTENSA_SYSCALL_LEN_MAX   255

Definition at line 18 of file xtensa_fileio.c.

XTENSA_SYSCALL_SZ

#define XTENSA_SYSCALL_SZ   3

Definition at line 17 of file xtensa_fileio.c.

Function Documentation

xtensa_fileio_detect_proc()

int xtensa_fileio_detect_proc

(

struct target *

target

)

Checks for and processes an Xtensa File-IO request.

Return ERROR_OK if request was found and handled; or return ERROR_FAIL if no request was detected.

Definition at line 41 of file xtensa_fileio.c.

References buf_get_u32(), DEBUGCAUSE_BI, DEBUGCAUSE_BN, ERROR_FAIL, ERROR_OK, xtensa::halt_request, LOG_ERROR, LOG_TARGET_DEBUG, xtensa::proc_syscall, target_read_memory(), target_to_xtensa(), XT_REG_IDX_PC, xtensa_cause_get(), xtensa_reg_get(), XTENSA_SYSCALL, and XTENSA_SYSCALL_SZ.

Referenced by xtensa_chip_poll().

xtensa_fileio_init()

int xtensa_fileio_init

(

struct target *

target

)

Definition at line 21 of file xtensa_fileio.c.

References ERROR_FAIL, ERROR_OK, target::fileio_info, gdb_fileio_info::identifier, LOG_TARGET_ERROR, and XTENSA_SYSCALL_LEN_MAX.

Referenced by xtensa_chip_target_init().

xtensa_gdb_fileio_end()

int xtensa_gdb_fileio_end	(	struct target *	target,
		int	retcode,
		int	fileio_errno,
		bool	ctrl_c
	)

Definition at line 171 of file xtensa_fileio.c.

References ERROR_FAIL, ERROR_OK, xtensa::halt_request, LOG_TARGET_DEBUG, xtensa::proc_syscall, target_to_xtensa(), XT_REG_IDX_PC, xtensa_reg_get(), xtensa_reg_set(), xtensa_reg_set_deep_relgen(), XTENSA_SYSCALL_ERRNO_REG, XTENSA_SYSCALL_RETVAL_REG, and XTENSA_SYSCALL_SZ.

xtensa_get_gdb_fileio_info()

int xtensa_get_gdb_fileio_info	(	struct target *	target,
		struct gdb_fileio_info *	fileio_info
	)

Definition at line 69 of file xtensa_fileio.c.

References ERROR_FAIL, ERROR_OK, gdb_fileio_info::identifier, LOG_ERROR, LOG_INFO, LOG_TARGET_DEBUG, gdb_fileio_info::param_1, gdb_fileio_info::param_2, gdb_fileio_info::param_3, gdb_fileio_info::param_4, xtensa::proc_syscall, target_to_xtensa(), XT_REG_IDX_A3, XT_REG_IDX_A4, XT_REG_IDX_A5, XT_REG_IDX_A6, XT_REG_IDX_PC, xtensa_reg_get(), XTENSA_SYSCALL_CLOSE, XTENSA_SYSCALL_FSTAT, XTENSA_SYSCALL_GETTIMEOFDAY, XTENSA_SYSCALL_ISATTY, XTENSA_SYSCALL_LEN_MAX, XTENSA_SYSCALL_LSEEK, XTENSA_SYSCALL_OP_REG, XTENSA_SYSCALL_OPEN, XTENSA_SYSCALL_READ, XTENSA_SYSCALL_RENAME, XTENSA_SYSCALL_STAT, XTENSA_SYSCALL_SYSTEM, XTENSA_SYSCALL_UNLINK, and XTENSA_SYSCALL_WRITE.