15b3f39cbSRichard Henderson /* 25b3f39cbSRichard Henderson * Syscall implementations for semihosting. 35b3f39cbSRichard Henderson * 45b3f39cbSRichard Henderson * Copyright (c) 2022 Linaro 55b3f39cbSRichard Henderson * 65b3f39cbSRichard Henderson * SPDX-License-Identifier: GPL-2.0-or-later 75b3f39cbSRichard Henderson */ 85b3f39cbSRichard Henderson 95b3f39cbSRichard Henderson #ifndef SEMIHOSTING_SYSCALLS_H 105b3f39cbSRichard Henderson #define SEMIHOSTING_SYSCALLS_H 115b3f39cbSRichard Henderson 12*f961773cSPhilippe Mathieu-Daudé #include "gdbstub/syscalls.h" 13*f961773cSPhilippe Mathieu-Daudé 145b3f39cbSRichard Henderson /* 155b3f39cbSRichard Henderson * Argument loading from the guest is performed by the caller; 165b3f39cbSRichard Henderson * results are returned via the 'complete' callback. 175b3f39cbSRichard Henderson * 185b3f39cbSRichard Henderson * String operands are in address/len pairs. The len argument may be 0 195b3f39cbSRichard Henderson * (when the semihosting abi does not already provide the length), 205b3f39cbSRichard Henderson * or non-zero (where it should include the terminating zero). 215b3f39cbSRichard Henderson */ 225b3f39cbSRichard Henderson 23af0484b5SRichard Henderson typedef struct GuestFD GuestFD; 24af0484b5SRichard Henderson 255b3f39cbSRichard Henderson void semihost_sys_open(CPUState *cs, gdb_syscall_complete_cb complete, 265b3f39cbSRichard Henderson target_ulong fname, target_ulong fname_len, 275b3f39cbSRichard Henderson int gdb_flags, int mode); 285b3f39cbSRichard Henderson 295eadbbfcSRichard Henderson void semihost_sys_close(CPUState *cs, gdb_syscall_complete_cb complete, 305eadbbfcSRichard Henderson int fd); 315eadbbfcSRichard Henderson 32af0484b5SRichard Henderson void semihost_sys_read(CPUState *cs, gdb_syscall_complete_cb complete, 33af0484b5SRichard Henderson int fd, target_ulong buf, target_ulong len); 34af0484b5SRichard Henderson 35af0484b5SRichard Henderson void semihost_sys_read_gf(CPUState *cs, gdb_syscall_complete_cb complete, 36af0484b5SRichard Henderson GuestFD *gf, target_ulong buf, target_ulong len); 37af0484b5SRichard Henderson 38aa915bd0SRichard Henderson void semihost_sys_write(CPUState *cs, gdb_syscall_complete_cb complete, 39aa915bd0SRichard Henderson int fd, target_ulong buf, target_ulong len); 40aa915bd0SRichard Henderson 41aa915bd0SRichard Henderson void semihost_sys_write_gf(CPUState *cs, gdb_syscall_complete_cb complete, 42aa915bd0SRichard Henderson GuestFD *gf, target_ulong buf, target_ulong len); 43aa915bd0SRichard Henderson 449a894704SRichard Henderson void semihost_sys_lseek(CPUState *cs, gdb_syscall_complete_cb complete, 459a894704SRichard Henderson int fd, int64_t off, int gdb_whence); 469a894704SRichard Henderson 47a2212474SRichard Henderson void semihost_sys_isatty(CPUState *cs, gdb_syscall_complete_cb complete, 48a2212474SRichard Henderson int fd); 49a2212474SRichard Henderson 50a6300ed6SRichard Henderson void semihost_sys_flen(CPUState *cs, gdb_syscall_complete_cb fstat_cb, 51a6300ed6SRichard Henderson gdb_syscall_complete_cb flen_cb, 52a6300ed6SRichard Henderson int fd, target_ulong fstat_addr); 53a6300ed6SRichard Henderson 54dffeb775SRichard Henderson void semihost_sys_fstat(CPUState *cs, gdb_syscall_complete_cb complete, 55dffeb775SRichard Henderson int fd, target_ulong addr); 56dffeb775SRichard Henderson 57dffeb775SRichard Henderson void semihost_sys_stat(CPUState *cs, gdb_syscall_complete_cb complete, 58dffeb775SRichard Henderson target_ulong fname, target_ulong fname_len, 59dffeb775SRichard Henderson target_ulong addr); 60dffeb775SRichard Henderson 61d49e79b8SRichard Henderson void semihost_sys_remove(CPUState *cs, gdb_syscall_complete_cb complete, 62d49e79b8SRichard Henderson target_ulong fname, target_ulong fname_len); 63d49e79b8SRichard Henderson 6425a95da0SRichard Henderson void semihost_sys_rename(CPUState *cs, gdb_syscall_complete_cb complete, 6525a95da0SRichard Henderson target_ulong oname, target_ulong oname_len, 6625a95da0SRichard Henderson target_ulong nname, target_ulong nname_len); 6725a95da0SRichard Henderson 6890d8e0b0SRichard Henderson void semihost_sys_system(CPUState *cs, gdb_syscall_complete_cb complete, 6990d8e0b0SRichard Henderson target_ulong cmd, target_ulong cmd_len); 7090d8e0b0SRichard Henderson 711875dab0SRichard Henderson void semihost_sys_gettimeofday(CPUState *cs, gdb_syscall_complete_cb complete, 721875dab0SRichard Henderson target_ulong tv_addr, target_ulong tz_addr); 731875dab0SRichard Henderson 741b9177f7SRichard Henderson void semihost_sys_poll_one(CPUState *cs, gdb_syscall_complete_cb complete, 751b9177f7SRichard Henderson int fd, GIOCondition cond, int timeout); 761b9177f7SRichard Henderson 775b3f39cbSRichard Henderson #endif /* SEMIHOSTING_SYSCALLS_H */ 78