Hexagon (linux-user/hexagon) Linux user emulation

Implementation of Linux user emulation for Hexagon
Some common files modified in addition to new files in linux-user/hexagon

Acked-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-31-git-send-email-tsimpson@quicinc.com>
[rth: Fix termbits.h on review by Laurent]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Taylor Simpson 2021-02-07 23:46:20 -06:00 committed by Richard Henderson
parent 8b453a2b2b
commit d2a56bd242
15 changed files with 1012 additions and 0 deletions

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@ -1514,6 +1514,22 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
#endif /* TARGET_XTENSA */
#ifdef TARGET_HEXAGON
#define ELF_START_MMAP 0x20000000
#define ELF_CLASS ELFCLASS32
#define ELF_ARCH EM_HEXAGON
static inline void init_thread(struct target_pt_regs *regs,
struct image_info *infop)
{
regs->sepc = infop->entry;
regs->sp = infop->start_stack;
}
#endif /* TARGET_HEXAGON */
#ifndef ELF_PLATFORM
#define ELF_PLATFORM (NULL)
#endif

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@ -0,0 +1,100 @@
/*
* qemu user cpu loop
*
* Copyright (c) 2003-2008 Fabrice Bellard
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu.h"
#include "cpu_loop-common.h"
#include "internal.h"
void cpu_loop(CPUHexagonState *env)
{
CPUState *cs = CPU(hexagon_env_get_cpu(env));
int trapnr, signum, sigcode;
target_ulong sigaddr;
target_ulong syscallnum;
target_ulong ret;
for (;;) {
cpu_exec_start(cs);
trapnr = cpu_exec(cs);
cpu_exec_end(cs);
process_queued_cpu_work(cs);
signum = 0;
sigcode = 0;
sigaddr = 0;
switch (trapnr) {
case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */
break;
case HEX_EXCP_TRAP0:
syscallnum = env->gpr[6];
env->gpr[HEX_REG_PC] += 4;
ret = do_syscall(env,
syscallnum,
env->gpr[0],
env->gpr[1],
env->gpr[2],
env->gpr[3],
env->gpr[4],
env->gpr[5],
0, 0);
if (ret == -TARGET_ERESTARTSYS) {
env->gpr[HEX_REG_PC] -= 4;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->gpr[0] = ret;
}
break;
case HEX_EXCP_FETCH_NO_UPAGE:
case HEX_EXCP_PRIV_NO_UREAD:
case HEX_EXCP_PRIV_NO_UWRITE:
signum = TARGET_SIGSEGV;
sigcode = TARGET_SEGV_MAPERR;
break;
case EXCP_ATOMIC:
cpu_exec_step_atomic(cs);
break;
default:
EXCP_DUMP(env, "\nqemu: unhandled CPU exception %#x - aborting\n",
trapnr);
exit(EXIT_FAILURE);
}
if (signum) {
target_siginfo_t info = {
.si_signo = signum,
.si_errno = 0,
.si_code = sigcode,
._sifields._sigfault._addr = sigaddr
};
queue_signal(env, info.si_signo, QEMU_SI_KILL, &info);
}
process_pending_signals(env);
}
}
void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
{
env->gpr[HEX_REG_PC] = regs->sepc;
env->gpr[HEX_REG_SP] = regs->sp;
env->gpr[HEX_REG_USR] = 0x56000;
}

276
linux-user/hexagon/signal.c Normal file
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@ -0,0 +1,276 @@
/*
* Emulation of Linux signals
*
* Copyright (c) 2003 Fabrice Bellard
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu.h"
#include "signal-common.h"
#include "linux-user/trace.h"
struct target_sigcontext {
target_ulong r0, r1, r2, r3;
target_ulong r4, r5, r6, r7;
target_ulong r8, r9, r10, r11;
target_ulong r12, r13, r14, r15;
target_ulong r16, r17, r18, r19;
target_ulong r20, r21, r22, r23;
target_ulong r24, r25, r26, r27;
target_ulong r28, r29, r30, r31;
target_ulong sa0;
target_ulong lc0;
target_ulong sa1;
target_ulong lc1;
target_ulong m0;
target_ulong m1;
target_ulong usr;
target_ulong p3_0;
target_ulong gp;
target_ulong ugp;
target_ulong pc;
target_ulong cause;
target_ulong badva;
target_ulong pad1;
target_ulong pad2;
target_ulong pad3;
};
struct target_ucontext {
unsigned long uc_flags;
target_ulong uc_link; /* target pointer */
target_stack_t uc_stack;
struct target_sigcontext uc_mcontext;
target_sigset_t uc_sigmask;
};
struct target_rt_sigframe {
uint32_t tramp[2];
struct target_siginfo info;
struct target_ucontext uc;
};
static abi_ulong get_sigframe(struct target_sigaction *ka,
CPUHexagonState *regs, size_t framesize)
{
abi_ulong sp = get_sp_from_cpustate(regs);
/* This is the X/Open sanctioned signal stack switching. */
sp = target_sigsp(sp, ka) - framesize;
sp = QEMU_ALIGN_DOWN(sp, 8);
return sp;
}
static void setup_sigcontext(struct target_sigcontext *sc, CPUHexagonState *env)
{
__put_user(env->gpr[HEX_REG_R00], &sc->r0);
__put_user(env->gpr[HEX_REG_R01], &sc->r1);
__put_user(env->gpr[HEX_REG_R02], &sc->r2);
__put_user(env->gpr[HEX_REG_R03], &sc->r3);
__put_user(env->gpr[HEX_REG_R04], &sc->r4);
__put_user(env->gpr[HEX_REG_R05], &sc->r5);
__put_user(env->gpr[HEX_REG_R06], &sc->r6);
__put_user(env->gpr[HEX_REG_R07], &sc->r7);
__put_user(env->gpr[HEX_REG_R08], &sc->r8);
__put_user(env->gpr[HEX_REG_R09], &sc->r9);
__put_user(env->gpr[HEX_REG_R10], &sc->r10);
__put_user(env->gpr[HEX_REG_R11], &sc->r11);
__put_user(env->gpr[HEX_REG_R12], &sc->r12);
__put_user(env->gpr[HEX_REG_R13], &sc->r13);
__put_user(env->gpr[HEX_REG_R14], &sc->r14);
__put_user(env->gpr[HEX_REG_R15], &sc->r15);
__put_user(env->gpr[HEX_REG_R16], &sc->r16);
__put_user(env->gpr[HEX_REG_R17], &sc->r17);
__put_user(env->gpr[HEX_REG_R18], &sc->r18);
__put_user(env->gpr[HEX_REG_R19], &sc->r19);
__put_user(env->gpr[HEX_REG_R20], &sc->r20);
__put_user(env->gpr[HEX_REG_R21], &sc->r21);
__put_user(env->gpr[HEX_REG_R22], &sc->r22);
__put_user(env->gpr[HEX_REG_R23], &sc->r23);
__put_user(env->gpr[HEX_REG_R24], &sc->r24);
__put_user(env->gpr[HEX_REG_R25], &sc->r25);
__put_user(env->gpr[HEX_REG_R26], &sc->r26);
__put_user(env->gpr[HEX_REG_R27], &sc->r27);
__put_user(env->gpr[HEX_REG_R28], &sc->r28);
__put_user(env->gpr[HEX_REG_R29], &sc->r29);
__put_user(env->gpr[HEX_REG_R30], &sc->r30);
__put_user(env->gpr[HEX_REG_R31], &sc->r31);
__put_user(env->gpr[HEX_REG_SA0], &sc->sa0);
__put_user(env->gpr[HEX_REG_LC0], &sc->lc0);
__put_user(env->gpr[HEX_REG_SA1], &sc->sa1);
__put_user(env->gpr[HEX_REG_LC1], &sc->lc1);
__put_user(env->gpr[HEX_REG_M0], &sc->m0);
__put_user(env->gpr[HEX_REG_M1], &sc->m1);
__put_user(env->gpr[HEX_REG_USR], &sc->usr);
__put_user(env->gpr[HEX_REG_P3_0], &sc->p3_0);
__put_user(env->gpr[HEX_REG_GP], &sc->gp);
__put_user(env->gpr[HEX_REG_UGP], &sc->ugp);
__put_user(env->gpr[HEX_REG_PC], &sc->pc);
}
static void setup_ucontext(struct target_ucontext *uc,
CPUHexagonState *env, target_sigset_t *set)
{
__put_user(0, &(uc->uc_flags));
__put_user(0, &(uc->uc_link));
target_save_altstack(&uc->uc_stack, env);
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(0x7800d166, tramp + 0); /* { r6=#__NR_rt_sigreturn } */
__put_user(0x5400c004, tramp + 1); /* { trap0(#1) } */
}
void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
target_sigset_t *set, CPUHexagonState *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->gpr[HEX_REG_PC] = ka->_sa_handler;
env->gpr[HEX_REG_SP] = frame_addr;
env->gpr[HEX_REG_R00] = sig;
env->gpr[HEX_REG_R01] =
frame_addr + offsetof(struct target_rt_sigframe, info);
env->gpr[HEX_REG_R02] =
frame_addr + offsetof(struct target_rt_sigframe, uc);
env->gpr[HEX_REG_LR] =
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(CPUHexagonState *env,
struct target_sigcontext *sc)
{
__get_user(env->gpr[HEX_REG_R00], &sc->r0);
__get_user(env->gpr[HEX_REG_R01], &sc->r1);
__get_user(env->gpr[HEX_REG_R02], &sc->r2);
__get_user(env->gpr[HEX_REG_R03], &sc->r3);
__get_user(env->gpr[HEX_REG_R04], &sc->r4);
__get_user(env->gpr[HEX_REG_R05], &sc->r5);
__get_user(env->gpr[HEX_REG_R06], &sc->r6);
__get_user(env->gpr[HEX_REG_R07], &sc->r7);
__get_user(env->gpr[HEX_REG_R08], &sc->r8);
__get_user(env->gpr[HEX_REG_R09], &sc->r9);
__get_user(env->gpr[HEX_REG_R10], &sc->r10);
__get_user(env->gpr[HEX_REG_R11], &sc->r11);
__get_user(env->gpr[HEX_REG_R12], &sc->r12);
__get_user(env->gpr[HEX_REG_R13], &sc->r13);
__get_user(env->gpr[HEX_REG_R14], &sc->r14);
__get_user(env->gpr[HEX_REG_R15], &sc->r15);
__get_user(env->gpr[HEX_REG_R16], &sc->r16);
__get_user(env->gpr[HEX_REG_R17], &sc->r17);
__get_user(env->gpr[HEX_REG_R18], &sc->r18);
__get_user(env->gpr[HEX_REG_R19], &sc->r19);
__get_user(env->gpr[HEX_REG_R20], &sc->r20);
__get_user(env->gpr[HEX_REG_R21], &sc->r21);
__get_user(env->gpr[HEX_REG_R22], &sc->r22);
__get_user(env->gpr[HEX_REG_R23], &sc->r23);
__get_user(env->gpr[HEX_REG_R24], &sc->r24);
__get_user(env->gpr[HEX_REG_R25], &sc->r25);
__get_user(env->gpr[HEX_REG_R26], &sc->r26);
__get_user(env->gpr[HEX_REG_R27], &sc->r27);
__get_user(env->gpr[HEX_REG_R28], &sc->r28);
__get_user(env->gpr[HEX_REG_R29], &sc->r29);
__get_user(env->gpr[HEX_REG_R30], &sc->r30);
__get_user(env->gpr[HEX_REG_R31], &sc->r31);
__get_user(env->gpr[HEX_REG_SA0], &sc->sa0);
__get_user(env->gpr[HEX_REG_LC0], &sc->lc0);
__get_user(env->gpr[HEX_REG_SA1], &sc->sa1);
__get_user(env->gpr[HEX_REG_LC1], &sc->lc1);
__get_user(env->gpr[HEX_REG_M0], &sc->m0);
__get_user(env->gpr[HEX_REG_M1], &sc->m1);
__get_user(env->gpr[HEX_REG_USR], &sc->usr);
__get_user(env->gpr[HEX_REG_P3_0], &sc->p3_0);
__get_user(env->gpr[HEX_REG_GP], &sc->gp);
__get_user(env->gpr[HEX_REG_UGP], &sc->ugp);
__get_user(env->gpr[HEX_REG_PC], &sc->pc);
}
static void restore_ucontext(CPUHexagonState *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(CPUHexagonState *env)
{
struct target_rt_sigframe *frame;
abi_ulong frame_addr;
frame_addr = env->gpr[HEX_REG_SP];
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;
}

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@ -0,0 +1,18 @@
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "../generic/sockbits.h"

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@ -0,0 +1,322 @@
/*
* This file contains the system call numbers.
* Do not modify.
* This file is generated by scripts/gensyscalls.sh
*/
#ifndef LINUX_USER_HEXAGON_SYSCALL_NR_H
#define LINUX_USER_HEXAGON_SYSCALL_NR_H
#define TARGET_NR_io_setup 0
#define TARGET_NR_io_destroy 1
#define TARGET_NR_io_submit 2
#define TARGET_NR_io_cancel 3
#define TARGET_NR_io_getevents 4
#define TARGET_NR_setxattr 5
#define TARGET_NR_lsetxattr 6
#define TARGET_NR_fsetxattr 7
#define TARGET_NR_getxattr 8
#define TARGET_NR_lgetxattr 9
#define TARGET_NR_fgetxattr 10
#define TARGET_NR_listxattr 11
#define TARGET_NR_llistxattr 12
#define TARGET_NR_flistxattr 13
#define TARGET_NR_removexattr 14
#define TARGET_NR_lremovexattr 15
#define TARGET_NR_fremovexattr 16
#define TARGET_NR_getcwd 17
#define TARGET_NR_lookup_dcookie 18
#define TARGET_NR_eventfd2 19
#define TARGET_NR_epoll_create1 20
#define TARGET_NR_epoll_ctl 21
#define TARGET_NR_epoll_pwait 22
#define TARGET_NR_dup 23
#define TARGET_NR_dup3 24
#define TARGET_NR_fcntl64 25
#define TARGET_NR_inotify_init1 26
#define TARGET_NR_inotify_add_watch 27
#define TARGET_NR_inotify_rm_watch 28
#define TARGET_NR_ioctl 29
#define TARGET_NR_ioprio_set 30
#define TARGET_NR_ioprio_get 31
#define TARGET_NR_flock 32
#define TARGET_NR_mknodat 33
#define TARGET_NR_mkdirat 34
#define TARGET_NR_unlinkat 35
#define TARGET_NR_symlinkat 36
#define TARGET_NR_linkat 37
#define TARGET_NR_renameat 38
#define TARGET_NR_umount2 39
#define TARGET_NR_mount 40
#define TARGET_NR_pivot_root 41
#define TARGET_NR_nfsservctl 42
#define TARGET_NR_statfs64 43
#define TARGET_NR_fstatfs64 44
#define TARGET_NR_truncate64 45
#define TARGET_NR_ftruncate64 46
#define TARGET_NR_fallocate 47
#define TARGET_NR_faccessat 48
#define TARGET_NR_chdir 49
#define TARGET_NR_fchdir 50
#define TARGET_NR_chroot 51
#define TARGET_NR_fchmod 52
#define TARGET_NR_fchmodat 53
#define TARGET_NR_fchownat 54
#define TARGET_NR_fchown 55
#define TARGET_NR_openat 56
#define TARGET_NR_close 57
#define TARGET_NR_vhangup 58
#define TARGET_NR_pipe2 59
#define TARGET_NR_quotactl 60
#define TARGET_NR_getdents64 61
#define TARGET_NR_llseek 62
#define TARGET_NR_read 63
#define TARGET_NR_write 64
#define TARGET_NR_readv 65
#define TARGET_NR_writev 66
#define TARGET_NR_pread64 67
#define TARGET_NR_pwrite64 68
#define TARGET_NR_preadv 69
#define TARGET_NR_pwritev 70
#define TARGET_NR_sendfile64 71
#define TARGET_NR_pselect6 72
#define TARGET_NR_ppoll 73
#define TARGET_NR_signalfd4 74
#define TARGET_NR_vmsplice 75
#define TARGET_NR_splice 76
#define TARGET_NR_tee 77
#define TARGET_NR_readlinkat 78
#define TARGET_NR_fstatat64 79
#define TARGET_NR_fstat64 80
#define TARGET_NR_sync 81
#define TARGET_NR_fsync 82
#define TARGET_NR_fdatasync 83
#define TARGET_NR_sync_file_range 84
#define TARGET_NR_timerfd_create 85
#define TARGET_NR_timerfd_settime 86
#define TARGET_NR_timerfd_gettime 87
#define TARGET_NR_utimensat 88
#define TARGET_NR_acct 89
#define TARGET_NR_capget 90
#define TARGET_NR_capset 91
#define TARGET_NR_personality 92
#define TARGET_NR_exit 93
#define TARGET_NR_exit_group 94
#define TARGET_NR_waitid 95
#define TARGET_NR_set_tid_address 96
#define TARGET_NR_unshare 97
#define TARGET_NR_futex 98
#define TARGET_NR_set_robust_list 99
#define TARGET_NR_get_robust_list 100
#define TARGET_NR_nanosleep 101
#define TARGET_NR_getitimer 102
#define TARGET_NR_setitimer 103
#define TARGET_NR_kexec_load 104
#define TARGET_NR_init_module 105
#define TARGET_NR_delete_module 106
#define TARGET_NR_timer_create 107
#define TARGET_NR_timer_gettime 108
#define TARGET_NR_timer_getoverrun 109
#define TARGET_NR_timer_settime 110
#define TARGET_NR_timer_delete 111
#define TARGET_NR_clock_settime 112
#define TARGET_NR_clock_gettime 113
#define TARGET_NR_clock_getres 114
#define TARGET_NR_clock_nanosleep 115
#define TARGET_NR_syslog 116
#define TARGET_NR_ptrace 117
#define TARGET_NR_sched_setparam 118
#define TARGET_NR_sched_setscheduler 119
#define TARGET_NR_sched_getscheduler 120
#define TARGET_NR_sched_getparam 121
#define TARGET_NR_sched_setaffinity 122
#define TARGET_NR_sched_getaffinity 123
#define TARGET_NR_sched_yield 124
#define TARGET_NR_sched_get_priority_max 125
#define TARGET_NR_sched_get_priority_min 126
#define TARGET_NR_sched_rr_get_interval 127
#define TARGET_NR_restart_syscall 128
#define TARGET_NR_kill 129
#define TARGET_NR_tkill 130
#define TARGET_NR_tgkill 131
#define TARGET_NR_sigaltstack 132
#define TARGET_NR_rt_sigsuspend 133
#define TARGET_NR_rt_sigaction 134
#define TARGET_NR_rt_sigprocmask 135
#define TARGET_NR_rt_sigpending 136
#define TARGET_NR_rt_sigtimedwait 137
#define TARGET_NR_rt_sigqueueinfo 138
#define TARGET_NR_rt_sigreturn 139
#define TARGET_NR_setpriority 140
#define TARGET_NR_getpriority 141
#define TARGET_NR_reboot 142
#define TARGET_NR_setregid 143
#define TARGET_NR_setgid 144
#define TARGET_NR_setreuid 145
#define TARGET_NR_setuid 146
#define TARGET_NR_setresuid 147
#define TARGET_NR_getresuid 148
#define TARGET_NR_setresgid 149
#define TARGET_NR_getresgid 150
#define TARGET_NR_setfsuid 151
#define TARGET_NR_setfsgid 152
#define TARGET_NR_times 153
#define TARGET_NR_setpgid 154
#define TARGET_NR_getpgid 155
#define TARGET_NR_getsid 156
#define TARGET_NR_setsid 157
#define TARGET_NR_getgroups 158
#define TARGET_NR_setgroups 159
#define TARGET_NR_uname 160
#define TARGET_NR_sethostname 161
#define TARGET_NR_setdomainname 162
#define TARGET_NR_getrlimit 163
#define TARGET_NR_setrlimit 164
#define TARGET_NR_getrusage 165
#define TARGET_NR_umask 166
#define TARGET_NR_prctl 167
#define TARGET_NR_getcpu 168
#define TARGET_NR_gettimeofday 169
#define TARGET_NR_settimeofday 170
#define TARGET_NR_adjtimex 171
#define TARGET_NR_getpid 172
#define TARGET_NR_getppid 173
#define TARGET_NR_getuid 174
#define TARGET_NR_geteuid 175
#define TARGET_NR_getgid 176
#define TARGET_NR_getegid 177
#define TARGET_NR_gettid 178
#define TARGET_NR_sysinfo 179
#define TARGET_NR_mq_open 180
#define TARGET_NR_mq_unlink 181
#define TARGET_NR_mq_timedsend 182
#define TARGET_NR_mq_timedreceive 183
#define TARGET_NR_mq_notify 184
#define TARGET_NR_mq_getsetattr 185
#define TARGET_NR_msgget 186
#define TARGET_NR_msgctl 187
#define TARGET_NR_msgrcv 188
#define TARGET_NR_msgsnd 189
#define TARGET_NR_semget 190
#define TARGET_NR_semctl 191
#define TARGET_NR_semtimedop 192
#define TARGET_NR_semop 193
#define TARGET_NR_shmget 194
#define TARGET_NR_shmctl 195
#define TARGET_NR_shmat 196
#define TARGET_NR_shmdt 197
#define TARGET_NR_socket 198
#define TARGET_NR_socketpair 199
#define TARGET_NR_bind 200
#define TARGET_NR_listen 201
#define TARGET_NR_accept 202
#define TARGET_NR_connect 203
#define TARGET_NR_getsockname 204
#define TARGET_NR_getpeername 205
#define TARGET_NR_sendto 206
#define TARGET_NR_recvfrom 207
#define TARGET_NR_setsockopt 208
#define TARGET_NR_getsockopt 209
#define TARGET_NR_shutdown 210
#define TARGET_NR_sendmsg 211
#define TARGET_NR_recvmsg 212
#define TARGET_NR_readahead 213
#define TARGET_NR_brk 214
#define TARGET_NR_munmap 215
#define TARGET_NR_mremap 216
#define TARGET_NR_add_key 217
#define TARGET_NR_request_key 218
#define TARGET_NR_keyctl 219
#define TARGET_NR_clone 220
#define TARGET_NR_execve 221
#define TARGET_NR_mmap2 222
#define TARGET_NR_fadvise64_64 223
#define TARGET_NR_swapon 224
#define TARGET_NR_swapoff 225
#define TARGET_NR_mprotect 226
#define TARGET_NR_msync 227
#define TARGET_NR_mlock 228
#define TARGET_NR_munlock 229
#define TARGET_NR_mlockall 230
#define TARGET_NR_munlockall 231
#define TARGET_NR_mincore 232
#define TARGET_NR_madvise 233
#define TARGET_NR_remap_file_pages 234
#define TARGET_NR_mbind 235
#define TARGET_NR_get_mempolicy 236
#define TARGET_NR_set_mempolicy 237
#define TARGET_NR_migrate_pages 238
#define TARGET_NR_move_pages 239
#define TARGET_NR_rt_tgsigqueueinfo 240
#define TARGET_NR_perf_event_open 241
#define TARGET_NR_accept4 242
#define TARGET_NR_recvmmsg 243
#define TARGET_NR_arch_specific_syscall 244
#define TARGET_NR_wait4 260
#define TARGET_NR_prlimit64 261
#define TARGET_NR_fanotify_init 262
#define TARGET_NR_fanotify_mark 263
#define TARGET_NR_name_to_handle_at 264
#define TARGET_NR_open_by_handle_at 265
#define TARGET_NR_clock_adjtime 266
#define TARGET_NR_syncfs 267
#define TARGET_NR_setns 268
#define TARGET_NR_sendmmsg 269
#define TARGET_NR_process_vm_readv 270
#define TARGET_NR_process_vm_writev 271
#define TARGET_NR_kcmp 272
#define TARGET_NR_finit_module 273
#define TARGET_NR_sched_setattr 274
#define TARGET_NR_sched_getattr 275
#define TARGET_NR_renameat2 276
#define TARGET_NR_seccomp 277
#define TARGET_NR_getrandom 278
#define TARGET_NR_memfd_create 279
#define TARGET_NR_bpf 280
#define TARGET_NR_execveat 281
#define TARGET_NR_userfaultfd 282
#define TARGET_NR_membarrier 283
#define TARGET_NR_mlock2 284
#define TARGET_NR_copy_file_range 285
#define TARGET_NR_preadv2 286
#define TARGET_NR_pwritev2 287
#define TARGET_NR_pkey_mprotect 288
#define TARGET_NR_pkey_alloc 289
#define TARGET_NR_pkey_free 290
#define TARGET_NR_statx 291
#define TARGET_NR_io_pgetevents 292
#define TARGET_NR_rseq 293
#define TARGET_NR_kexec_file_load 294
#define TARGET_NR_clock_gettime64 403
#define TARGET_NR_clock_settime64 404
#define TARGET_NR_clock_adjtime64 405
#define TARGET_NR_clock_getres_time64 406
#define TARGET_NR_clock_nanosleep_time64 407
#define TARGET_NR_timer_gettime64 408
#define TARGET_NR_timer_settime64 409
#define TARGET_NR_timerfd_gettime64 410
#define TARGET_NR_timerfd_settime64 411
#define TARGET_NR_utimensat_time64 412
#define TARGET_NR_pselect6_time64 413
#define TARGET_NR_ppoll_time64 414
#define TARGET_NR_io_pgetevents_time64 416
#define TARGET_NR_recvmmsg_time64 417
#define TARGET_NR_mq_timedsend_time64 418
#define TARGET_NR_mq_timedreceive_time64 419
#define TARGET_NR_semtimedop_time64 420
#define TARGET_NR_rt_sigtimedwait_time64 421
#define TARGET_NR_futex_time64 422
#define TARGET_NR_sched_rr_get_interval_time64 423
#define TARGET_NR_pidfd_send_signal 424
#define TARGET_NR_io_uring_setup 425
#define TARGET_NR_io_uring_enter 426
#define TARGET_NR_io_uring_register 427
#define TARGET_NR_open_tree 428
#define TARGET_NR_move_mount 429
#define TARGET_NR_fsopen 430
#define TARGET_NR_fsconfig 431
#define TARGET_NR_fsmount 432
#define TARGET_NR_fspick 433
#define TARGET_NR_pidfd_open 434
#define TARGET_NR_syscalls 436
#endif /* LINUX_USER_HEXAGON_SYSCALL_NR_H */

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@ -0,0 +1,44 @@
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HEXAGON_TARGET_CPU_H
#define HEXAGON_TARGET_CPU_H
static inline void cpu_clone_regs_child(CPUHexagonState *env,
target_ulong newsp, unsigned flags)
{
if (newsp) {
env->gpr[HEX_REG_SP] = newsp;
}
env->gpr[0] = 0;
}
static inline void cpu_clone_regs_parent(CPUHexagonState *env, unsigned flags)
{
}
static inline void cpu_set_tls(CPUHexagonState *env, target_ulong newtls)
{
env->gpr[HEX_REG_UGP] = newtls;
}
static inline abi_ulong get_sp_from_cpustate(CPUHexagonState *state)
{
return state->gpr[HEX_REG_SP];
}
#endif

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@ -0,0 +1,40 @@
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HEXAGON_TARGET_ELF_H
#define HEXAGON_TARGET_ELF_H
static inline const char *cpu_get_model(uint32_t eflags)
{
/* For now, treat anything newer than v5 as a v67 */
/* FIXME - Disable instructions that are newer than the specified arch */
if (eflags == 0x04 || /* v5 */
eflags == 0x05 || /* v55 */
eflags == 0x60 || /* v60 */
eflags == 0x61 || /* v61 */
eflags == 0x62 || /* v62 */
eflags == 0x65 || /* v65 */
eflags == 0x66 || /* v66 */
eflags == 0x67 || /* v67 */
eflags == 0x8067 /* v67t */
) {
return "v67";
}
return "unknown";
}
#endif

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@ -0,0 +1,18 @@
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "../generic/fcntl.h"

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@ -0,0 +1,34 @@
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HEXAGON_TARGET_SIGNAL_H
#define HEXAGON_TARGET_SIGNAL_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
#include "../generic/signal.h"
#endif /* TARGET_SIGNAL_H */

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@ -0,0 +1,54 @@
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* Hexagon specific structures for linux-user
*/
#ifndef HEXAGON_TARGET_STRUCTS_H
#define HEXAGON_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() */
abi_ulong __unused1;
abi_ulong shm_dtime; /* time of last shmdt() */
abi_ulong __unused2;
abi_ulong shm_ctime; /* time of last change by shmctl() */
abi_ulong __unused3;
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

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@ -0,0 +1,36 @@
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HEXAGON_TARGET_SYSCALL_H
#define HEXAGON_TARGET_SYSCALL_H
struct target_pt_regs {
abi_long sepc;
abi_long sp;
};
#define UNAME_MACHINE "hexagon"
#define UNAME_MINIMUM_RELEASE "4.15.0"
#define TARGET_MLOCKALL_MCL_CURRENT 1
#define TARGET_MLOCKALL_MCL_FUTURE 2
#define TARGET_MCL_CURRENT 1
#define TARGET_MCL_FUTURE 2
#define TARGET_MCL_ONFAULT 4
#endif

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@ -0,0 +1,18 @@
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "../generic/termbits.h"

View File

@ -718,6 +718,8 @@ static inline int regpairs_aligned(void *cpu_env, int num)
}
#elif defined(TARGET_XTENSA)
static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
#elif defined(TARGET_HEXAGON)
static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
#else
static inline int regpairs_aligned(void *cpu_env, int num) { return 0; }
#endif

View File

@ -104,6 +104,14 @@
#define TARGET_IOC_WRITE 2U
#define TARGET_IOC_READ 1U
#elif defined(TARGET_HEXAGON)
#define TARGET_IOC_SIZEBITS 14
#define TARGET_IOC_NONE 0U
#define TARGET_IOC_WRITE 1U
#define TARGET_IOC_READ 2U
#else
#error unsupported CPU
#endif
@ -2253,6 +2261,31 @@ struct target_stat64 {
uint64_t st_ino;
};
#elif defined(TARGET_HEXAGON)
struct target_stat {
unsigned long long st_dev;
unsigned long long st_ino;
unsigned int st_mode;
unsigned int st_nlink;
unsigned int st_uid;
unsigned int st_gid;
unsigned long long st_rdev;
target_ulong __pad1;
long long st_size;
target_long st_blksize;
int __pad2;
long long st_blocks;
target_long target_st_atime;
target_long target_st_atime_nsec;
target_long target_st_mtime;
target_long target_st_mtime_nsec;
target_long target_st_ctime;
target_long target_st_ctime_nsec;
int __unused[2];
};
#else
#error unsupported CPU
#endif

View File

@ -98,4 +98,5 @@ generate_syscall_nr openrisc 32 "$output/linux-user/openrisc/syscall_nr.h"
generate_syscall_nr riscv 32 "$output/linux-user/riscv/syscall32_nr.h"
generate_syscall_nr riscv 64 "$output/linux-user/riscv/syscall64_nr.h"
generate_syscall_nr hexagon 32 "$output/linux-user/hexagon/syscall_nr.h"
rm -fr "$TMP"