mirror of https://github.com/xemu-project/xemu.git
RISC-V Linux User Emulation
Implementation of linux user emulation for RISC-V. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Michael Clark <mjc@sifive.com>
This commit is contained in:
Michael Clark
parent
65c5b75c38
commit
47ae93cdfe
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@ -1295,6 +1295,28 @@ static inline void init_thread(struct target_pt_regs *regs,
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#endif /* TARGET_TILEGX */
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#ifdef TARGET_RISCV
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#define ELF_START_MMAP 0x80000000
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#define ELF_ARCH EM_RISCV
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#ifdef TARGET_RISCV32
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#define ELF_CLASS ELFCLASS32
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#else
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#define ELF_CLASS ELFCLASS64
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#endif
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static inline void init_thread(struct target_pt_regs *regs,
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struct image_info *infop)
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{
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regs->sepc = infop->entry;
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regs->sp = infop->start_stack;
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}
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#define ELF_EXEC_PAGESIZE 4096
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#endif /* TARGET_RISCV */
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#ifdef TARGET_HPPA
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#define ELF_START_MMAP 0x80000000
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@ -3653,6 +3653,100 @@ void cpu_loop(CPUTLGState *env)
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#endif
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#ifdef TARGET_RISCV
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void cpu_loop(CPURISCVState *env)
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{
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CPUState *cs = CPU(riscv_env_get_cpu(env));
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int trapnr, signum, sigcode;
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target_ulong sigaddr;
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target_ulong ret;
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for (;;) {
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cpu_exec_start(cs);
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trapnr = cpu_exec(cs);
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cpu_exec_end(cs);
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process_queued_cpu_work(cs);
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signum = 0;
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sigcode = 0;
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sigaddr = 0;
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switch (trapnr) {
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case EXCP_INTERRUPT:
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/* just indicate that signals should be handled asap */
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break;
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case EXCP_ATOMIC:
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cpu_exec_step_atomic(cs);
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break;
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case RISCV_EXCP_U_ECALL:
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env->pc += 4;
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if (env->gpr[xA7] == TARGET_NR_arch_specific_syscall + 15) {
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/* riscv_flush_icache_syscall is a no-op in QEMU as
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self-modifying code is automatically detected */
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ret = 0;
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} else {
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ret = do_syscall(env,
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env->gpr[xA7],
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env->gpr[xA0],
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env->gpr[xA1],
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env->gpr[xA2],
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env->gpr[xA3],
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env->gpr[xA4],
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env->gpr[xA5],
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0, 0);
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}
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if (ret == -TARGET_ERESTARTSYS) {
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env->pc -= 4;
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} else if (ret != -TARGET_QEMU_ESIGRETURN) {
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env->gpr[xA0] = ret;
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}
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if (cs->singlestep_enabled) {
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goto gdbstep;
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}
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break;
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case RISCV_EXCP_ILLEGAL_INST:
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signum = TARGET_SIGILL;
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sigcode = TARGET_ILL_ILLOPC;
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break;
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case RISCV_EXCP_BREAKPOINT:
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signum = TARGET_SIGTRAP;
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sigcode = TARGET_TRAP_BRKPT;
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sigaddr = env->pc;
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break;
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case RISCV_EXCP_INST_PAGE_FAULT:
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case RISCV_EXCP_LOAD_PAGE_FAULT:
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case RISCV_EXCP_STORE_PAGE_FAULT:
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signum = TARGET_SIGSEGV;
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sigcode = TARGET_SEGV_MAPERR;
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break;
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case EXCP_DEBUG:
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gdbstep:
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signum = gdb_handlesig(cs, TARGET_SIGTRAP);
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sigcode = TARGET_TRAP_BRKPT;
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break;
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default:
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EXCP_DUMP(env, "\nqemu: unhandled CPU exception %#x - aborting\n",
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trapnr);
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exit(EXIT_FAILURE);
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}
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if (signum) {
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target_siginfo_t info = {
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.si_signo = signum,
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.si_errno = 0,
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.si_code = sigcode,
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._sifields._sigfault._addr = sigaddr
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};
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queue_signal(env, info.si_signo, QEMU_SI_KILL, &info);
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}
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process_pending_signals(env);
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}
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}
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#endif /* TARGET_RISCV */
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#ifdef TARGET_HPPA
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static abi_ulong hppa_lws(CPUHPPAState *env)
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@ -4803,6 +4897,11 @@ int main(int argc, char **argv, char **envp)
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env->pc = regs->pc;
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cpu_set_sr(env, regs->sr);
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}
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#elif defined(TARGET_RISCV)
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{
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env->pc = regs->sepc;
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env->gpr[xSP] = regs->sp;
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}
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#elif defined(TARGET_SH4)
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{
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int i;
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@ -0,0 +1,287 @@
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/*
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* Syscall numbers from asm-generic, common for most
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* of recently-added arches including RISC-V.
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*/
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#define TARGET_NR_io_setup 0
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#define TARGET_NR_io_destroy 1
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#define TARGET_NR_io_submit 2
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#define TARGET_NR_io_cancel 3
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#define TARGET_NR_io_getevents 4
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#define TARGET_NR_setxattr 5
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#define TARGET_NR_lsetxattr 6
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#define TARGET_NR_fsetxattr 7
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#define TARGET_NR_getxattr 8
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#define TARGET_NR_lgetxattr 9
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#define TARGET_NR_fgetxattr 10
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#define TARGET_NR_listxattr 11
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#define TARGET_NR_llistxattr 12
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#define TARGET_NR_flistxattr 13
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#define TARGET_NR_removexattr 14
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#define TARGET_NR_lremovexattr 15
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#define TARGET_NR_fremovexattr 16
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#define TARGET_NR_getcwd 17
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#define TARGET_NR_lookup_dcookie 18
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#define TARGET_NR_eventfd2 19
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#define TARGET_NR_epoll_create1 20
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#define TARGET_NR_epoll_ctl 21
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#define TARGET_NR_epoll_pwait 22
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#define TARGET_NR_dup 23
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#define TARGET_NR_dup3 24
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#ifdef TARGET_RISCV32
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#define TARGET_NR_fcntl64 25
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#else
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#define TARGET_NR_fcntl 25
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#endif
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#define TARGET_NR_inotify_init1 26
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#define TARGET_NR_inotify_add_watch 27
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#define TARGET_NR_inotify_rm_watch 28
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#define TARGET_NR_ioctl 29
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#define TARGET_NR_ioprio_set 30
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#define TARGET_NR_ioprio_get 31
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#define TARGET_NR_flock 32
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#define TARGET_NR_mknodat 33
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#define TARGET_NR_mkdirat 34
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#define TARGET_NR_unlinkat 35
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#define TARGET_NR_symlinkat 36
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#define TARGET_NR_linkat 37
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#define TARGET_NR_renameat 38
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#define TARGET_NR_umount2 39
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#define TARGET_NR_mount 40
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#define TARGET_NR_pivot_root 41
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#define TARGET_NR_nfsservctl 42
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#define TARGET_NR_statfs 43
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#define TARGET_NR_fstatfs 44
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#define TARGET_NR_truncate 45
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#define TARGET_NR_ftruncate 46
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#define TARGET_NR_fallocate 47
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#define TARGET_NR_faccessat 48
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#define TARGET_NR_chdir 49
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#define TARGET_NR_fchdir 50
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#define TARGET_NR_chroot 51
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#define TARGET_NR_fchmod 52
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#define TARGET_NR_fchmodat 53
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#define TARGET_NR_fchownat 54
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#define TARGET_NR_fchown 55
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#define TARGET_NR_openat 56
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#define TARGET_NR_close 57
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#define TARGET_NR_vhangup 58
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#define TARGET_NR_pipe2 59
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#define TARGET_NR_quotactl 60
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#define TARGET_NR_getdents64 61
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#define TARGET_NR_lseek 62
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#define TARGET_NR_read 63
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#define TARGET_NR_write 64
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#define TARGET_NR_readv 65
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#define TARGET_NR_writev 66
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#define TARGET_NR_pread64 67
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#define TARGET_NR_pwrite64 68
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#define TARGET_NR_preadv 69
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#define TARGET_NR_pwritev 70
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#define TARGET_NR_sendfile 71
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#define TARGET_NR_pselect6 72
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#define TARGET_NR_ppoll 73
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#define TARGET_NR_signalfd4 74
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#define TARGET_NR_vmsplice 75
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#define TARGET_NR_splice 76
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#define TARGET_NR_tee 77
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#define TARGET_NR_readlinkat 78
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#define TARGET_NR_newfstatat 79
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#define TARGET_NR_fstat 80
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#define TARGET_NR_sync 81
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#define TARGET_NR_fsync 82
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#define TARGET_NR_fdatasync 83
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#define TARGET_NR_sync_file_range 84
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#define TARGET_NR_timerfd_create 85
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#define TARGET_NR_timerfd_settime 86
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#define TARGET_NR_timerfd_gettime 87
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#define TARGET_NR_utimensat 88
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#define TARGET_NR_acct 89
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#define TARGET_NR_capget 90
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#define TARGET_NR_capset 91
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#define TARGET_NR_personality 92
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#define TARGET_NR_exit 93
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#define TARGET_NR_exit_group 94
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#define TARGET_NR_waitid 95
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#define TARGET_NR_set_tid_address 96
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#define TARGET_NR_unshare 97
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#define TARGET_NR_futex 98
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#define TARGET_NR_set_robust_list 99
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#define TARGET_NR_get_robust_list 100
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#define TARGET_NR_nanosleep 101
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#define TARGET_NR_getitimer 102
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#define TARGET_NR_setitimer 103
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#define TARGET_NR_kexec_load 104
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#define TARGET_NR_init_module 105
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#define TARGET_NR_delete_module 106
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#define TARGET_NR_timer_create 107
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#define TARGET_NR_timer_gettime 108
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#define TARGET_NR_timer_getoverrun 109
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#define TARGET_NR_timer_settime 110
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#define TARGET_NR_timer_delete 111
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#define TARGET_NR_clock_settime 112
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#define TARGET_NR_clock_gettime 113
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#define TARGET_NR_clock_getres 114
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#define TARGET_NR_clock_nanosleep 115
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#define TARGET_NR_syslog 116
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#define TARGET_NR_ptrace 117
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#define TARGET_NR_sched_setparam 118
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#define TARGET_NR_sched_setscheduler 119
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#define TARGET_NR_sched_getscheduler 120
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#define TARGET_NR_sched_getparam 121
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#define TARGET_NR_sched_setaffinity 122
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#define TARGET_NR_sched_getaffinity 123
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#define TARGET_NR_sched_yield 124
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#define TARGET_NR_sched_get_priority_max 125
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#define TARGET_NR_sched_get_priority_min 126
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#define TARGET_NR_sched_rr_get_interval 127
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#define TARGET_NR_restart_syscall 128
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#define TARGET_NR_kill 129
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#define TARGET_NR_tkill 130
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#define TARGET_NR_tgkill 131
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#define TARGET_NR_sigaltstack 132
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#define TARGET_NR_rt_sigsuspend 133
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#define TARGET_NR_rt_sigaction 134
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#define TARGET_NR_rt_sigprocmask 135
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#define TARGET_NR_rt_sigpending 136
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#define TARGET_NR_rt_sigtimedwait 137
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#define TARGET_NR_rt_sigqueueinfo 138
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#define TARGET_NR_rt_sigreturn 139
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#define TARGET_NR_setpriority 140
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#define TARGET_NR_getpriority 141
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#define TARGET_NR_reboot 142
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#define TARGET_NR_setregid 143
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#define TARGET_NR_setgid 144
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#define TARGET_NR_setreuid 145
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#define TARGET_NR_setuid 146
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#define TARGET_NR_setresuid 147
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#define TARGET_NR_getresuid 148
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#define TARGET_NR_setresgid 149
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#define TARGET_NR_getresgid 150
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#define TARGET_NR_setfsuid 151
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#define TARGET_NR_setfsgid 152
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#define TARGET_NR_times 153
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#define TARGET_NR_setpgid 154
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#define TARGET_NR_getpgid 155
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#define TARGET_NR_getsid 156
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#define TARGET_NR_setsid 157
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#define TARGET_NR_getgroups 158
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#define TARGET_NR_setgroups 159
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#define TARGET_NR_uname 160
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#define TARGET_NR_sethostname 161
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#define TARGET_NR_setdomainname 162
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#define TARGET_NR_getrlimit 163
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#define TARGET_NR_setrlimit 164
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#define TARGET_NR_getrusage 165
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#define TARGET_NR_umask 166
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#define TARGET_NR_prctl 167
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#define TARGET_NR_getcpu 168
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#define TARGET_NR_gettimeofday 169
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#define TARGET_NR_settimeofday 170
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#define TARGET_NR_adjtimex 171
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#define TARGET_NR_getpid 172
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#define TARGET_NR_getppid 173
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#define TARGET_NR_getuid 174
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#define TARGET_NR_geteuid 175
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#define TARGET_NR_getgid 176
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#define TARGET_NR_getegid 177
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#define TARGET_NR_gettid 178
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#define TARGET_NR_sysinfo 179
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#define TARGET_NR_mq_open 180
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#define TARGET_NR_mq_unlink 181
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#define TARGET_NR_mq_timedsend 182
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#define TARGET_NR_mq_timedreceive 183
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#define TARGET_NR_mq_notify 184
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#define TARGET_NR_mq_getsetattr 185
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#define TARGET_NR_msgget 186
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#define TARGET_NR_msgctl 187
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#define TARGET_NR_msgrcv 188
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#define TARGET_NR_msgsnd 189
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#define TARGET_NR_semget 190
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#define TARGET_NR_semctl 191
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#define TARGET_NR_semtimedop 192
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#define TARGET_NR_semop 193
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#define TARGET_NR_shmget 194
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#define TARGET_NR_shmctl 195
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#define TARGET_NR_shmat 196
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#define TARGET_NR_shmdt 197
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#define TARGET_NR_socket 198
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#define TARGET_NR_socketpair 199
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#define TARGET_NR_bind 200
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#define TARGET_NR_listen 201
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#define TARGET_NR_accept 202
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#define TARGET_NR_connect 203
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#define TARGET_NR_getsockname 204
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#define TARGET_NR_getpeername 205
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#define TARGET_NR_sendto 206
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#define TARGET_NR_recvfrom 207
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#define TARGET_NR_setsockopt 208
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#define TARGET_NR_getsockopt 209
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#define TARGET_NR_shutdown 210
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#define TARGET_NR_sendmsg 211
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#define TARGET_NR_recvmsg 212
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#define TARGET_NR_readahead 213
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#define TARGET_NR_brk 214
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#define TARGET_NR_munmap 215
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#define TARGET_NR_mremap 216
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#define TARGET_NR_add_key 217
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#define TARGET_NR_request_key 218
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#define TARGET_NR_keyctl 219
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#define TARGET_NR_clone 220
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#define TARGET_NR_execve 221
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#ifdef TARGET_RISCV32
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#define TARGET_NR_mmap2 222
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#define TARGET_NR_fadvise64_64 223
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#else
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#define TARGET_NR_mmap 222
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#define TARGET_NR_fadvise64 223
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#endif
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#define TARGET_NR_swapon 224
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#define TARGET_NR_swapoff 225
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#define TARGET_NR_mprotect 226
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#define TARGET_NR_msync 227
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#define TARGET_NR_mlock 228
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#define TARGET_NR_munlock 229
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#define TARGET_NR_mlockall 230
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#define TARGET_NR_munlockall 231
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#define TARGET_NR_mincore 232
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#define TARGET_NR_madvise 233
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#define TARGET_NR_remap_file_pages 234
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#define TARGET_NR_mbind 235
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#define TARGET_NR_get_mempolicy 236
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#define TARGET_NR_set_mempolicy 237
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#define TARGET_NR_migrate_pages 238
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#define TARGET_NR_move_pages 239
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#define TARGET_NR_rt_tgsigqueueinfo 240
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#define TARGET_NR_perf_event_open 241
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#define TARGET_NR_accept4 242
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#define TARGET_NR_recvmmsg 243
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#define TARGET_NR_arch_specific_syscall 244
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#define TARGET_NR_wait4 260
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#define TARGET_NR_prlimit64 261
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#define TARGET_NR_fanotify_init 262
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#define TARGET_NR_fanotify_mark 263
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#define TARGET_NR_name_to_handle_at 264
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#define TARGET_NR_open_by_handle_at 265
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#define TARGET_NR_clock_adjtime 266
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#define TARGET_NR_syncfs 267
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#define TARGET_NR_setns 268
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#define TARGET_NR_sendmmsg 269
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#define TARGET_NR_process_vm_readv 270
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#define TARGET_NR_process_vm_writev 271
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#define TARGET_NR_kcmp 272
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#define TARGET_NR_finit_module 273
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#define TARGET_NR_sched_setattr 274
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#define TARGET_NR_sched_getattr 275
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#define TARGET_NR_renameat2 276
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#define TARGET_NR_seccomp 277
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#define TARGET_NR_getrandom 278
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#define TARGET_NR_memfd_create 279
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#define TARGET_NR_bpf 280
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#define TARGET_NR_execveat 281
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#define TARGET_NR_userfaultfd 282
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#define TARGET_NR_membarrier 283
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#define TARGET_NR_mlock2 284
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#define TARGET_NR_copy_file_range 285
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||||
|
||||
#define TARGET_NR_syscalls (TARGET_NR_copy_file_range + 1)
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
#ifndef TARGET_CPU_H
|
||||
#define TARGET_CPU_H
|
||||
|
||||
static inline void cpu_clone_regs(CPURISCVState *env, target_ulong newsp)
|
||||
{
|
||||
if (newsp) {
|
||||
env->gpr[xSP] = newsp;
|
||||
}
|
||||
|
||||
env->gpr[xA0] = 0;
|
||||
}
|
||||
|
||||
static inline void cpu_set_tls(CPURISCVState *env, target_ulong newtls)
|
||||
{
|
||||
env->gpr[xTP] = newtls;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
/*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation, or (at your option) any
|
||||
* later version. See the COPYING file in the top-level directory.
|
||||
*/
|
||||
|
||||
#ifndef RISCV_TARGET_ELF_H
|
||||
#define RISCV_TARGET_ELF_H
|
||||
static inline const char *cpu_get_model(uint32_t eflags)
|
||||
{
|
||||
return "any";
|
||||
}
|
||||
#endif
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
#ifndef TARGET_SIGNAL_H
|
||||
#define TARGET_SIGNAL_H
|
||||
|
||||
#include "cpu.h"
|
||||
|
||||
typedef struct target_sigaltstack {
|
||||
abi_ulong ss_sp;
|
||||
abi_int ss_flags;
|
||||
abi_ulong ss_size;
|
||||
} target_stack_t;
|
||||
|
||||
#define TARGET_SS_ONSTACK 1
|
||||
#define TARGET_SS_DISABLE 2
|
||||
|
||||
#define TARGET_MINSIGSTKSZ 2048
|
||||
#define TARGET_SIGSTKSZ 8192
|
||||
|
||||
static inline abi_ulong get_sp_from_cpustate(CPURISCVState *state)
|
||||
{
|
||||
return state->gpr[xSP];
|
||||
}
|
||||
|
||||
#endif /* TARGET_SIGNAL_H */
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
/*
|
||||
* RISC-V specific structures for linux-user
|
||||
*
|
||||
* This is a copy of ../aarch64/target_structs.h atm.
|
||||
*
|
||||
*/
|
||||
#ifndef TARGET_STRUCTS_H
|
||||
#define TARGET_STRUCTS_H
|
||||
|
||||
struct target_ipc_perm {
|
||||
abi_int __key; /* Key. */
|
||||
abi_uint uid; /* Owner's user ID. */
|
||||
abi_uint gid; /* Owner's group ID. */
|
||||
abi_uint cuid; /* Creator's user ID. */
|
||||
abi_uint cgid; /* Creator's group ID. */
|
||||
abi_ushort mode; /* Read/write permission. */
|
||||
abi_ushort __pad1;
|
||||
abi_ushort __seq; /* Sequence number. */
|
||||
abi_ushort __pad2;
|
||||
abi_ulong __unused1;
|
||||
abi_ulong __unused2;
|
||||
};
|
||||
|
||||
struct target_shmid_ds {
|
||||
struct target_ipc_perm shm_perm; /* operation permission struct */
|
||||
abi_long shm_segsz; /* size of segment in bytes */
|
||||
abi_ulong shm_atime; /* time of last shmat() */
|
||||
#if TARGET_ABI_BITS == 32
|
||||
abi_ulong __unused1;
|
||||
#endif
|
||||
abi_ulong shm_dtime; /* time of last shmdt() */
|
||||
#if TARGET_ABI_BITS == 32
|
||||
abi_ulong __unused2;
|
||||
#endif
|
||||
abi_ulong shm_ctime; /* time of last change by shmctl() */
|
||||
#if TARGET_ABI_BITS == 32
|
||||
abi_ulong __unused3;
|
||||
#endif
|
||||
abi_int shm_cpid; /* pid of creator */
|
||||
abi_int shm_lpid; /* pid of last shmop */
|
||||
abi_ulong shm_nattch; /* number of current attaches */
|
||||
abi_ulong __unused4;
|
||||
abi_ulong __unused5;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
/*
|
||||
* This struct defines the way the registers are stored on the
|
||||
* stack during a system call.
|
||||
*
|
||||
* Reference: linux/arch/riscv/include/uapi/asm/ptrace.h
|
||||
*/
|
||||
|
||||
struct target_pt_regs {
|
||||
abi_long sepc;
|
||||
abi_long ra;
|
||||
abi_long sp;
|
||||
abi_long gp;
|
||||
abi_long tp;
|
||||
abi_long t0;
|
||||
abi_long t1;
|
||||
abi_long t2;
|
||||
abi_long s0;
|
||||
abi_long s1;
|
||||
abi_long a0;
|
||||
abi_long a1;
|
||||
abi_long a2;
|
||||
abi_long a3;
|
||||
abi_long a4;
|
||||
abi_long a5;
|
||||
abi_long a6;
|
||||
abi_long a7;
|
||||
abi_long s2;
|
||||
abi_long s3;
|
||||
abi_long s4;
|
||||
abi_long s5;
|
||||
abi_long s6;
|
||||
abi_long s7;
|
||||
abi_long s8;
|
||||
abi_long s9;
|
||||
abi_long s10;
|
||||
abi_long s11;
|
||||
abi_long t3;
|
||||
abi_long t4;
|
||||
abi_long t5;
|
||||
abi_long t6;
|
||||
};
|
||||
|
||||
#ifdef TARGET_RISCV32
|
||||
#define UNAME_MACHINE "riscv32"
|
||||
#else
|
||||
#define UNAME_MACHINE "riscv64"
|
||||
#endif
|
||||
#define UNAME_MINIMUM_RELEASE "3.8.0"
|
||||
|
||||
#define TARGET_MINSIGSTKSZ 2048
|
||||
#define TARGET_MLOCKALL_MCL_CURRENT 1
|
||||
#define TARGET_MLOCKALL_MCL_FUTURE 2
|
||||
|
||||
/* clone(flags, newsp, ptidptr, tls, ctidptr) for RISC-V */
|
||||
/* This comes from linux/kernel/fork.c, CONFIG_CLONE_BACKWARDS */
|
||||
#define TARGET_CLONE_BACKWARDS
|
||||
|
|
@ -0,0 +1,222 @@
|
|||
/* from asm/termbits.h */
|
||||
/* NOTE: exactly the same as i386 */
|
||||
|
||||
#define TARGET_NCCS 19
|
||||
|
||||
struct target_termios {
|
||||
unsigned int c_iflag; /* input mode flags */
|
||||
unsigned int c_oflag; /* output mode flags */
|
||||
unsigned int c_cflag; /* control mode flags */
|
||||
unsigned int c_lflag; /* local mode flags */
|
||||
unsigned char c_line; /* line discipline */
|
||||
unsigned char c_cc[TARGET_NCCS]; /* control characters */
|
||||
};
|
||||
|
||||
/* c_iflag bits */
|
||||
#define TARGET_IGNBRK 0000001
|
||||
#define TARGET_BRKINT 0000002
|
||||
#define TARGET_IGNPAR 0000004
|
||||
#define TARGET_PARMRK 0000010
|
||||
#define TARGET_INPCK 0000020
|
||||
#define TARGET_ISTRIP 0000040
|
||||
#define TARGET_INLCR 0000100
|
||||
#define TARGET_IGNCR 0000200
|
||||
#define TARGET_ICRNL 0000400
|
||||
#define TARGET_IUCLC 0001000
|
||||
#define TARGET_IXON 0002000
|
||||
#define TARGET_IXANY 0004000
|
||||
#define TARGET_IXOFF 0010000
|
||||
#define TARGET_IMAXBEL 0020000
|
||||
#define TARGET_IUTF8 0040000
|
||||
|
||||
/* c_oflag bits */
|
||||
#define TARGET_OPOST 0000001
|
||||
#define TARGET_OLCUC 0000002
|
||||
#define TARGET_ONLCR 0000004
|
||||
#define TARGET_OCRNL 0000010
|
||||
#define TARGET_ONOCR 0000020
|
||||
#define TARGET_ONLRET 0000040
|
||||
#define TARGET_OFILL 0000100
|
||||
#define TARGET_OFDEL 0000200
|
||||
#define TARGET_NLDLY 0000400
|
||||
#define TARGET_NL0 0000000
|
||||
#define TARGET_NL1 0000400
|
||||
#define TARGET_CRDLY 0003000
|
||||
#define TARGET_CR0 0000000
|
||||
#define TARGET_CR1 0001000
|
||||
#define TARGET_CR2 0002000
|
||||
#define TARGET_CR3 0003000
|
||||
#define TARGET_TABDLY 0014000
|
||||
#define TARGET_TAB0 0000000
|
||||
#define TARGET_TAB1 0004000
|
||||
#define TARGET_TAB2 0010000
|
||||
#define TARGET_TAB3 0014000
|
||||
#define TARGET_XTABS 0014000
|
||||
#define TARGET_BSDLY 0020000
|
||||
#define TARGET_BS0 0000000
|
||||
#define TARGET_BS1 0020000
|
||||
#define TARGET_VTDLY 0040000
|
||||
#define TARGET_VT0 0000000
|
||||
#define TARGET_VT1 0040000
|
||||
#define TARGET_FFDLY 0100000
|
||||
#define TARGET_FF0 0000000
|
||||
#define TARGET_FF1 0100000
|
||||
|
||||
/* c_cflag bit meaning */
|
||||
#define TARGET_CBAUD 0010017
|
||||
#define TARGET_B0 0000000 /* hang up */
|
||||
#define TARGET_B50 0000001
|
||||
#define TARGET_B75 0000002
|
||||
#define TARGET_B110 0000003
|
||||
#define TARGET_B134 0000004
|
||||
#define TARGET_B150 0000005
|
||||
#define TARGET_B200 0000006
|
||||
#define TARGET_B300 0000007
|
||||
#define TARGET_B600 0000010
|
||||
#define TARGET_B1200 0000011
|
||||
#define TARGET_B1800 0000012
|
||||
#define TARGET_B2400 0000013
|
||||
#define TARGET_B4800 0000014
|
||||
#define TARGET_B9600 0000015
|
||||
#define TARGET_B19200 0000016
|
||||
#define TARGET_B38400 0000017
|
||||
#define TARGET_EXTA B19200
|
||||
#define TARGET_EXTB B38400
|
||||
#define TARGET_CSIZE 0000060
|
||||
#define TARGET_CS5 0000000
|
||||
#define TARGET_CS6 0000020
|
||||
#define TARGET_CS7 0000040
|
||||
#define TARGET_CS8 0000060
|
||||
#define TARGET_CSTOPB 0000100
|
||||
#define TARGET_CREAD 0000200
|
||||
#define TARGET_PARENB 0000400
|
||||
#define TARGET_PARODD 0001000
|
||||
#define TARGET_HUPCL 0002000
|
||||
#define TARGET_CLOCAL 0004000
|
||||
#define TARGET_CBAUDEX 0010000
|
||||
#define TARGET_B57600 0010001
|
||||
#define TARGET_B115200 0010002
|
||||
#define TARGET_B230400 0010003
|
||||
#define TARGET_B460800 0010004
|
||||
#define TARGET_CIBAUD 002003600000 /* input baud rate (not used) */
|
||||
#define TARGET_CMSPAR 010000000000 /* mark or space (stick) parity */
|
||||
#define TARGET_CRTSCTS 020000000000 /* flow control */
|
||||
|
||||
/* c_lflag bits */
|
||||
#define TARGET_ISIG 0000001
|
||||
#define TARGET_ICANON 0000002
|
||||
#define TARGET_XCASE 0000004
|
||||
#define TARGET_ECHO 0000010
|
||||
#define TARGET_ECHOE 0000020
|
||||
#define TARGET_ECHOK 0000040
|
||||
#define TARGET_ECHONL 0000100
|
||||
#define TARGET_NOFLSH 0000200
|
||||
#define TARGET_TOSTOP 0000400
|
||||
#define TARGET_ECHOCTL 0001000
|
||||
#define TARGET_ECHOPRT 0002000
|
||||
#define TARGET_ECHOKE 0004000
|
||||
#define TARGET_FLUSHO 0010000
|
||||
#define TARGET_PENDIN 0040000
|
||||
#define TARGET_IEXTEN 0100000
|
||||
|
||||
/* c_cc character offsets */
|
||||
#define TARGET_VINTR 0
|
||||
#define TARGET_VQUIT 1
|
||||
#define TARGET_VERASE 2
|
||||
#define TARGET_VKILL 3
|
||||
#define TARGET_VEOF 4
|
||||
#define TARGET_VTIME 5
|
||||
#define TARGET_VMIN 6
|
||||
#define TARGET_VSWTC 7
|
||||
#define TARGET_VSTART 8
|
||||
#define TARGET_VSTOP 9
|
||||
#define TARGET_VSUSP 10
|
||||
#define TARGET_VEOL 11
|
||||
#define TARGET_VREPRINT 12
|
||||
#define TARGET_VDISCARD 13
|
||||
#define TARGET_VWERASE 14
|
||||
#define TARGET_VLNEXT 15
|
||||
#define TARGET_VEOL2 16
|
||||
|
||||
/* ioctls */
|
||||
|
||||
#define TARGET_TCGETS 0x5401
|
||||
#define TARGET_TCSETS 0x5402
|
||||
#define TARGET_TCSETSW 0x5403
|
||||
#define TARGET_TCSETSF 0x5404
|
||||
#define TARGET_TCGETA 0x5405
|
||||
#define TARGET_TCSETA 0x5406
|
||||
#define TARGET_TCSETAW 0x5407
|
||||
#define TARGET_TCSETAF 0x5408
|
||||
#define TARGET_TCSBRK 0x5409
|
||||
#define TARGET_TCXONC 0x540A
|
||||
#define TARGET_TCFLSH 0x540B
|
||||
|
||||
#define TARGET_TIOCEXCL 0x540C
|
||||
#define TARGET_TIOCNXCL 0x540D
|
||||
#define TARGET_TIOCSCTTY 0x540E
|
||||
#define TARGET_TIOCGPGRP 0x540F
|
||||
#define TARGET_TIOCSPGRP 0x5410
|
||||
#define TARGET_TIOCOUTQ 0x5411
|
||||
#define TARGET_TIOCSTI 0x5412
|
||||
#define TARGET_TIOCGWINSZ 0x5413
|
||||
#define TARGET_TIOCSWINSZ 0x5414
|
||||
#define TARGET_TIOCMGET 0x5415
|
||||
#define TARGET_TIOCMBIS 0x5416
|
||||
#define TARGET_TIOCMBIC 0x5417
|
||||
#define TARGET_TIOCMSET 0x5418
|
||||
#define TARGET_TIOCGSOFTCAR 0x5419
|
||||
#define TARGET_TIOCSSOFTCAR 0x541A
|
||||
#define TARGET_FIONREAD 0x541B
|
||||
#define TARGET_TIOCINQ TARGET_FIONREAD
|
||||
#define TARGET_TIOCLINUX 0x541C
|
||||
#define TARGET_TIOCCONS 0x541D
|
||||
#define TARGET_TIOCGSERIAL 0x541E
|
||||
#define TARGET_TIOCSSERIAL 0x541F
|
||||
#define TARGET_TIOCPKT 0x5420
|
||||
#define TARGET_FIONBIO 0x5421
|
||||
#define TARGET_TIOCNOTTY 0x5422
|
||||
#define TARGET_TIOCSETD 0x5423
|
||||
#define TARGET_TIOCGETD 0x5424
|
||||
#define TARGET_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */
|
||||
#define TARGET_TIOCTTYGSTRUCT 0x5426 /* For debugging only */
|
||||
#define TARGET_TIOCSBRK 0x5427 /* BSD compatibility */
|
||||
#define TARGET_TIOCCBRK 0x5428 /* BSD compatibility */
|
||||
#define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */
|
||||
#define TARGET_TIOCGPTN TARGET_IOR('T', 0x30, unsigned int)
|
||||
/* Get Pty Number (of pty-mux device) */
|
||||
#define TARGET_TIOCSPTLCK TARGET_IOW('T', 0x31, int)
|
||||
/* Lock/unlock Pty */
|
||||
#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41)
|
||||
/* Safely open the slave */
|
||||
|
||||
#define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */
|
||||
#define TARGET_FIOCLEX 0x5451
|
||||
#define TARGET_FIOASYNC 0x5452
|
||||
#define TARGET_TIOCSERCONFIG 0x5453
|
||||
#define TARGET_TIOCSERGWILD 0x5454
|
||||
#define TARGET_TIOCSERSWILD 0x5455
|
||||
#define TARGET_TIOCGLCKTRMIOS 0x5456
|
||||
#define TARGET_TIOCSLCKTRMIOS 0x5457
|
||||
#define TARGET_TIOCSERGSTRUCT 0x5458 /* For debugging only */
|
||||
#define TARGET_TIOCSERGETLSR 0x5459 /* Get line status register */
|
||||
#define TARGET_TIOCSERGETMULTI 0x545A /* Get multiport config */
|
||||
#define TARGET_TIOCSERSETMULTI 0x545B /* Set multiport config */
|
||||
|
||||
#define TARGET_TIOCMIWAIT 0x545C
|
||||
/* wait for a change on serial input line(s) */
|
||||
#define TARGET_TIOCGICOUNT 0x545D
|
||||
/* read serial port inline interrupt counts */
|
||||
#define TARGET_TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */
|
||||
#define TARGET_TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */
|
||||
|
||||
/* Used for packet mode */
|
||||
#define TARGET_TIOCPKT_DATA 0
|
||||
#define TARGET_TIOCPKT_FLUSHREAD 1
|
||||
#define TARGET_TIOCPKT_FLUSHWRITE 2
|
||||
#define TARGET_TIOCPKT_STOP 4
|
||||
#define TARGET_TIOCPKT_START 8
|
||||
#define TARGET_TIOCPKT_NOSTOP 16
|
||||
#define TARGET_TIOCPKT_DOSTOP 32
|
||||
|
||||
#define TARGET_TIOCSER_TEMT 0x01 /* Transmitter physically empty */
|
||||
|
|
@ -535,6 +535,7 @@ static void force_sig(int sig)
|
|||
* up the signal frame. oldsig is the signal we were trying to handle
|
||||
* at the point of failure.
|
||||
*/
|
||||
#if !defined(TARGET_RISCV)
|
||||
static void force_sigsegv(int oldsig)
|
||||
{
|
||||
if (oldsig == SIGSEGV) {
|
||||
|
|
@ -547,6 +548,8 @@ static void force_sigsegv(int oldsig)
|
|||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
/* abort execution with signal */
|
||||
static void QEMU_NORETURN dump_core_and_abort(int target_sig)
|
||||
{
|
||||
|
|
@ -6385,6 +6388,203 @@ long do_rt_sigreturn(CPUTLGState *env)
|
|||
return -TARGET_QEMU_ESIGRETURN;
|
||||
}
|
||||
|
||||
#elif defined(TARGET_RISCV)
|
||||
|
||||
/* Signal handler invocation must be transparent for the code being
|
||||
interrupted. Complete CPU (hart) state is saved on entry and restored
|
||||
before returning from the handler. Process sigmask is also saved to block
|
||||
signals while the handler is running. The handler gets its own stack,
|
||||
which also doubles as storage for the CPU state and sigmask.
|
||||
|
||||
The code below is qemu re-implementation of arch/riscv/kernel/signal.c */
|
||||
|
||||
struct target_sigcontext {
|
||||
abi_long pc;
|
||||
abi_long gpr[31]; /* x0 is not present, so all offsets must be -1 */
|
||||
uint64_t fpr[32];
|
||||
uint32_t fcsr;
|
||||
}; /* cf. riscv-linux:arch/riscv/include/uapi/asm/ptrace.h */
|
||||
|
||||
struct target_ucontext {
|
||||
unsigned long uc_flags;
|
||||
struct target_ucontext *uc_link;
|
||||
target_stack_t uc_stack;
|
||||
struct target_sigcontext uc_mcontext;
|
||||
target_sigset_t uc_sigmask;
|
||||
};
|
||||
|
||||
struct target_rt_sigframe {
|
||||
uint32_t tramp[2]; /* not in kernel, which uses VDSO instead */
|
||||
struct target_siginfo info;
|
||||
struct target_ucontext uc;
|
||||
};
|
||||
|
||||
static abi_ulong get_sigframe(struct target_sigaction *ka,
|
||||
CPURISCVState *regs, size_t framesize)
|
||||
{
|
||||
abi_ulong sp = regs->gpr[xSP];
|
||||
int onsigstack = on_sig_stack(sp);
|
||||
|
||||
/* redzone */
|
||||
/* This is the X/Open sanctioned signal stack switching. */
|
||||
if ((ka->sa_flags & TARGET_SA_ONSTACK) != 0 && !onsigstack) {
|
||||
sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
|
||||
}
|
||||
|
||||
sp -= framesize;
|
||||
sp &= ~3UL; /* align sp on 4-byte boundary */
|
||||
|
||||
/* If we are on the alternate signal stack and would overflow it, don't.
|
||||
Return an always-bogus address instead so we will die with SIGSEGV. */
|
||||
if (onsigstack && !likely(on_sig_stack(sp))) {
|
||||
return -1L;
|
||||
}
|
||||
|
||||
return sp;
|
||||
}
|
||||
|
||||
static void setup_sigcontext(struct target_sigcontext *sc, CPURISCVState *env)
|
||||
{
|
||||
int i;
|
||||
|
||||
__put_user(env->pc, &sc->pc);
|
||||
|
||||
for (i = 1; i < 32; i++) {
|
||||
__put_user(env->gpr[i], &sc->gpr[i - 1]);
|
||||
}
|
||||
for (i = 0; i < 32; i++) {
|
||||
__put_user(env->fpr[i], &sc->fpr[i]);
|
||||
}
|
||||
|
||||
uint32_t fcsr = csr_read_helper(env, CSR_FCSR); /*riscv_get_fcsr(env);*/
|
||||
__put_user(fcsr, &sc->fcsr);
|
||||
}
|
||||
|
||||
static void setup_ucontext(struct target_ucontext *uc,
|
||||
CPURISCVState *env, target_sigset_t *set)
|
||||
{
|
||||
abi_ulong ss_sp = (target_ulong)target_sigaltstack_used.ss_sp;
|
||||
abi_ulong ss_flags = sas_ss_flags(env->gpr[xSP]);
|
||||
abi_ulong ss_size = target_sigaltstack_used.ss_size;
|
||||
|
||||
__put_user(0, &(uc->uc_flags));
|
||||
__put_user(0, &(uc->uc_link));
|
||||
|
||||
__put_user(ss_sp, &(uc->uc_stack.ss_sp));
|
||||
__put_user(ss_flags, &(uc->uc_stack.ss_flags));
|
||||
__put_user(ss_size, &(uc->uc_stack.ss_size));
|
||||
|
||||
int i;
|
||||
for (i = 0; i < TARGET_NSIG_WORDS; i++) {
|
||||
__put_user(set->sig[i], &(uc->uc_sigmask.sig[i]));
|
||||
}
|
||||
|
||||
setup_sigcontext(&uc->uc_mcontext, env);
|
||||
}
|
||||
|
||||
static inline void install_sigtramp(uint32_t *tramp)
|
||||
{
|
||||
__put_user(0x08b00893, tramp + 0); /* li a7, 139 = __NR_rt_sigreturn */
|
||||
__put_user(0x00000073, tramp + 1); /* ecall */
|
||||
}
|
||||
|
||||
static void setup_rt_frame(int sig, struct target_sigaction *ka,
|
||||
target_siginfo_t *info,
|
||||
target_sigset_t *set, CPURISCVState *env)
|
||||
{
|
||||
abi_ulong frame_addr;
|
||||
struct target_rt_sigframe *frame;
|
||||
|
||||
frame_addr = get_sigframe(ka, env, sizeof(*frame));
|
||||
trace_user_setup_rt_frame(env, frame_addr);
|
||||
|
||||
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {
|
||||
goto badframe;
|
||||
}
|
||||
|
||||
setup_ucontext(&frame->uc, env, set);
|
||||
tswap_siginfo(&frame->info, info);
|
||||
install_sigtramp(frame->tramp);
|
||||
|
||||
env->pc = ka->_sa_handler;
|
||||
env->gpr[xSP] = frame_addr;
|
||||
env->gpr[xA0] = sig;
|
||||
env->gpr[xA1] = frame_addr + offsetof(struct target_rt_sigframe, info);
|
||||
env->gpr[xA2] = frame_addr + offsetof(struct target_rt_sigframe, uc);
|
||||
env->gpr[xRA] = frame_addr + offsetof(struct target_rt_sigframe, tramp);
|
||||
|
||||
return;
|
||||
|
||||
badframe:
|
||||
unlock_user_struct(frame, frame_addr, 1);
|
||||
if (sig == TARGET_SIGSEGV) {
|
||||
ka->_sa_handler = TARGET_SIG_DFL;
|
||||
}
|
||||
force_sig(TARGET_SIGSEGV);
|
||||
}
|
||||
|
||||
static void restore_sigcontext(CPURISCVState *env, struct target_sigcontext *sc)
|
||||
{
|
||||
int i;
|
||||
|
||||
__get_user(env->pc, &sc->pc);
|
||||
|
||||
for (i = 1; i < 32; ++i) {
|
||||
__get_user(env->gpr[i], &sc->gpr[i - 1]);
|
||||
}
|
||||
for (i = 0; i < 32; ++i) {
|
||||
__get_user(env->fpr[i], &sc->fpr[i]);
|
||||
}
|
||||
|
||||
uint32_t fcsr;
|
||||
__get_user(fcsr, &sc->fcsr);
|
||||
csr_write_helper(env, fcsr, CSR_FCSR);
|
||||
}
|
||||
|
||||
static void restore_ucontext(CPURISCVState *env, struct target_ucontext *uc)
|
||||
{
|
||||
sigset_t blocked;
|
||||
target_sigset_t target_set;
|
||||
int i;
|
||||
|
||||
target_sigemptyset(&target_set);
|
||||
for (i = 0; i < TARGET_NSIG_WORDS; i++) {
|
||||
__get_user(target_set.sig[i], &(uc->uc_sigmask.sig[i]));
|
||||
}
|
||||
|
||||
target_to_host_sigset_internal(&blocked, &target_set);
|
||||
set_sigmask(&blocked);
|
||||
|
||||
restore_sigcontext(env, &uc->uc_mcontext);
|
||||
}
|
||||
|
||||
long do_rt_sigreturn(CPURISCVState *env)
|
||||
{
|
||||
struct target_rt_sigframe *frame;
|
||||
abi_ulong frame_addr;
|
||||
|
||||
frame_addr = env->gpr[xSP];
|
||||
trace_user_do_sigreturn(env, frame_addr);
|
||||
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {
|
||||
goto badframe;
|
||||
}
|
||||
|
||||
restore_ucontext(env, &frame->uc);
|
||||
|
||||
if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe,
|
||||
uc.uc_stack), 0, get_sp_from_cpustate(env)) == -EFAULT) {
|
||||
goto badframe;
|
||||
}
|
||||
|
||||
unlock_user_struct(frame, frame_addr, 0);
|
||||
return -TARGET_QEMU_ESIGRETURN;
|
||||
|
||||
badframe:
|
||||
unlock_user_struct(frame, frame_addr, 0);
|
||||
force_sig(TARGET_SIGSEGV);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#elif defined(TARGET_HPPA)
|
||||
|
||||
struct target_sigcontext {
|
||||
|
|
@ -6676,7 +6876,8 @@ static void handle_pending_signal(CPUArchState *cpu_env, int sig,
|
|||
#if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64) \
|
||||
|| defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) \
|
||||
|| defined(TARGET_PPC64) || defined(TARGET_HPPA) \
|
||||
|| defined(TARGET_NIOS2) || defined(TARGET_X86_64)
|
||||
|| defined(TARGET_NIOS2) || defined(TARGET_X86_64) \
|
||||
|| defined(TARGET_RISCV)
|
||||
/* These targets do not have traditional signals. */
|
||||
setup_rt_frame(sig, sa, &k->info, &target_old_set, cpu_env);
|
||||
#else
|
||||
|
|
|
|||
|
|
@ -8555,9 +8555,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
|
|||
case TARGET_NR_ioctl:
|
||||
ret = do_ioctl(arg1, arg2, arg3);
|
||||
break;
|
||||
#ifdef TARGET_NR_fcntl
|
||||
case TARGET_NR_fcntl:
|
||||
ret = do_fcntl(arg1, arg2, arg3);
|
||||
break;
|
||||
#endif
|
||||
#ifdef TARGET_NR_mpx
|
||||
case TARGET_NR_mpx:
|
||||
goto unimplemented;
|
||||
|
|
|
|||
|
|
@ -71,7 +71,7 @@
|
|||
|| defined(TARGET_M68K) || defined(TARGET_CRIS) \
|
||||
|| defined(TARGET_UNICORE32) || defined(TARGET_S390X) \
|
||||
|| defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) \
|
||||
|| defined(TARGET_NIOS2)
|
||||
|| defined(TARGET_NIOS2) || defined(TARGET_RISCV)
|
||||
|
||||
#define TARGET_IOC_SIZEBITS 14
|
||||
#define TARGET_IOC_DIRBITS 2
|
||||
|
|
@ -435,7 +435,8 @@ int do_sigaction(int sig, const struct target_sigaction *act,
|
|||
|| defined(TARGET_M68K) || defined(TARGET_ALPHA) || defined(TARGET_CRIS) \
|
||||
|| defined(TARGET_MICROBLAZE) || defined(TARGET_UNICORE32) \
|
||||
|| defined(TARGET_S390X) || defined(TARGET_OPENRISC) \
|
||||
|| defined(TARGET_TILEGX) || defined(TARGET_HPPA) || defined(TARGET_NIOS2)
|
||||
|| defined(TARGET_TILEGX) || defined(TARGET_HPPA) || defined(TARGET_NIOS2) \
|
||||
|| defined(TARGET_RISCV)
|
||||
|
||||
#if defined(TARGET_SPARC)
|
||||
#define TARGET_SA_NOCLDSTOP 8u
|
||||
|
|
@ -2093,7 +2094,7 @@ struct target_stat {
|
|||
unsigned int __unused[2];
|
||||
};
|
||||
#elif defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) || \
|
||||
defined(TARGET_NIOS2)
|
||||
defined(TARGET_NIOS2) || defined(TARGET_RISCV)
|
||||
|
||||
/* These are the asm-generic versions of the stat and stat64 structures */
|
||||
|
||||
|
|
@ -2120,6 +2121,7 @@ struct target_stat {
|
|||
unsigned int __unused5;
|
||||
};
|
||||
|
||||
#if !defined(TARGET_RISCV64)
|
||||
#define TARGET_HAS_STRUCT_STAT64
|
||||
struct target_stat64 {
|
||||
uint64_t st_dev;
|
||||
|
|
@ -2143,6 +2145,7 @@ struct target_stat64 {
|
|||
unsigned int __unused4;
|
||||
unsigned int __unused5;
|
||||
};
|
||||
#endif
|
||||
|
||||
#elif defined(TARGET_HPPA)
|
||||
|
||||
|
|
@ -2258,8 +2261,8 @@ struct target_statfs64 {
|
|||
uint32_t f_spare[6];
|
||||
};
|
||||
#elif (defined(TARGET_PPC64) || defined(TARGET_X86_64) || \
|
||||
defined(TARGET_SPARC64) || defined(TARGET_AARCH64)) && \
|
||||
!defined(TARGET_ABI32)
|
||||
defined(TARGET_SPARC64) || defined(TARGET_AARCH64) || \
|
||||
defined(TARGET_RISCV)) && !defined(TARGET_ABI32)
|
||||
struct target_statfs {
|
||||
abi_long f_type;
|
||||
abi_long f_bsize;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,13 @@
|
|||
#define xRA 1 /* return address (aka link register) */
|
||||
#define xSP 2 /* stack pointer */
|
||||
#define xGP 3 /* global pointer */
|
||||
#define xTP 4 /* thread pointer */
|
||||
|
||||
#define xA0 10 /* gpr[10-17] are syscall arguments */
|
||||
#define xA1 11
|
||||
#define xA2 12
|
||||
#define xA3 13
|
||||
#define xA4 14
|
||||
#define xA5 15
|
||||
#define xA6 16
|
||||
#define xA7 17 /* syscall number goes here */
|
||||
Loading…
Reference in New Issue