diff options
Diffstat (limited to 'arch/xtensa/platforms/iss/include/platform/simcall.h')
-rw-r--r-- | arch/xtensa/platforms/iss/include/platform/simcall.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/arch/xtensa/platforms/iss/include/platform/simcall.h b/arch/xtensa/platforms/iss/include/platform/simcall.h new file mode 100644 index 0000000000..e1ec50ce39 --- /dev/null +++ b/arch/xtensa/platforms/iss/include/platform/simcall.h @@ -0,0 +1,110 @@ +/* + * include/asm-xtensa/platform-iss/simcall.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 Tensilica Inc. + * Copyright (C) 2017 - 2021 Cadence Design Systems Inc. + */ + +#ifndef _XTENSA_PLATFORM_ISS_SIMCALL_H +#define _XTENSA_PLATFORM_ISS_SIMCALL_H + +#include <linux/bug.h> + +#ifdef CONFIG_XTENSA_SIMCALL_ISS +#include <platform/simcall-iss.h> +#endif +#ifdef CONFIG_XTENSA_SIMCALL_GDBIO +#include <platform/simcall-gdbio.h> +#endif + +static inline int simc_exit(int exit_code) +{ +#ifdef SYS_exit + return __simc(SYS_exit, exit_code, 0, 0); +#else + WARN_ONCE(1, "%s: not implemented\n", __func__); + return -1; +#endif +} + +static inline int simc_open(const char *file, int flags, int mode) +{ + return __simc(SYS_open, (int) file, flags, mode); +} + +static inline int simc_close(int fd) +{ + return __simc(SYS_close, fd, 0, 0); +} + +static inline int simc_ioctl(int fd, int request, void *arg) +{ +#ifdef SYS_ioctl + return __simc(SYS_ioctl, fd, request, (int) arg); +#else + WARN_ONCE(1, "%s: not implemented\n", __func__); + return -1; +#endif +} + +static inline int simc_read(int fd, void *buf, size_t count) +{ + return __simc(SYS_read, fd, (int) buf, count); +} + +static inline int simc_write(int fd, const void *buf, size_t count) +{ + return __simc(SYS_write, fd, (int) buf, count); +} + +static inline int simc_poll(int fd) +{ +#ifdef SYS_select_one + long timeval[2] = { 0, 0 }; + + return __simc(SYS_select_one, fd, XTISS_SELECT_ONE_READ, (int)&timeval); +#else + WARN_ONCE(1, "%s: not implemented\n", __func__); + return -1; +#endif +} + +static inline int simc_lseek(int fd, uint32_t off, int whence) +{ + return __simc(SYS_lseek, fd, off, whence); +} + +static inline int simc_argc(void) +{ +#ifdef SYS_iss_argc + return __simc(SYS_iss_argc, 0, 0, 0); +#else + WARN_ONCE(1, "%s: not implemented\n", __func__); + return 0; +#endif +} + +static inline int simc_argv_size(void) +{ +#ifdef SYS_iss_argv_size + return __simc(SYS_iss_argv_size, 0, 0, 0); +#else + WARN_ONCE(1, "%s: not implemented\n", __func__); + return 0; +#endif +} + +static inline void simc_argv(void *buf) +{ +#ifdef SYS_iss_set_argv + __simc(SYS_iss_set_argv, (int)buf, 0, 0); +#else + WARN_ONCE(1, "%s: not implemented\n", __func__); +#endif +} + +#endif /* _XTENSA_PLATFORM_ISS_SIMCALL_H */ |