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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /* * 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 */ |