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