From 48d61510290ea3380e4987d38e512d2d8304849a Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Wed, 28 Oct 2015 11:34:36 -0700 Subject: ARM: Add support for semihosting Add semihosting API implementation and implement a filesystem driver to access debugging host filesystem using it. Tested on Freescale SabreSD board (i.MX6Q) using OpenOCD Signed-off-by: Andrey Smirnov Signed-off-by: Sascha Hauer --- arch/arm/include/asm/semihosting.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 arch/arm/include/asm/semihosting.h (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/semihosting.h b/arch/arm/include/asm/semihosting.h new file mode 100644 index 0000000000..b478dadb3a --- /dev/null +++ b/arch/arm/include/asm/semihosting.h @@ -0,0 +1,19 @@ +#ifndef __ASM_ARM_SEMIHOSTING_H +#define __ASM_ARM_SEMIHOSTING_H + +int semihosting_open(const char *fname, int flags); +int semihosting_close(int fd); +int semihosting_writec(char c); +int semihosting_write0(const char *str); +ssize_t semihosting_write(int fd, const void *buf, size_t count); +ssize_t semihosting_read(int fd, void *buf, size_t count); +int semihosting_readc(void); +int semihosting_isatty(int fd); +int semihosting_seek(int fd, loff_t pos); +int semihosting_flen(int fd); +int semihosting_remove(const char *fname); +int semihosting_rename(const char *fname1, const char *fname2); +int semihosting_errno(void); +int semihosting_system(const char *command); + +#endif -- cgit v1.2.3