[RFC,51/66] Hexagon Linux user emulation

Message ID	1581381644-13678-52-git-send-email-tsimpson@quicinc.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=O/iN=37=nongnu.org=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3F33C20661 From: Taylor Simpson <tsimpson@quicinc.com> To: qemu-devel@nongnu.org Subject: [RFC PATCH 51/66] Hexagon Linux user emulation Date: Mon, 10 Feb 2020 18:40:29 -0600 Message-Id: <1581381644-13678-52-git-send-email-tsimpson@quicinc.com> In-Reply-To: <1581381644-13678-1-git-send-email-tsimpson@quicinc.com> References: <1581381644-13678-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: list Cc: riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, Taylor Simpson <tsimpson@quicinc.com>, philmd@redhat.com, aleksandar.m.mail@gmail.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>
Series	Hexagon patch series \| expand [RFC,00/66] Hexagon patch series [RFC,01/66] Hexagon Maintainers [RFC,02/66] Hexagon ELF Machine Definition [RFC,03/66] Hexagon CPU Scalar Core Definition [RFC,04/66] Hexagon register names [RFC,05/66] Hexagon Disassembler [RFC,06/66] Hexagon CPU Scalar Core Helpers [RFC,07/66] Hexagon GDB Stub [RFC,08/66] Hexagon instruction and packet types [RFC,09/66] Hexagon architecture types [RFC,10/66] Hexagon register fields [RFC,11/66] Hexagon instruction attributes [RFC,12/66] Hexagon register map [RFC,13/66] Hexagon instruction/packet decode [RFC,14/66] Hexagon instruction printing [RFC,15/66] Hexagon arch import - instruction semantics definitions [RFC,16/66] Hexagon arch import - macro definitions [RFC,17/66] Hexagon arch import - instruction encoding [RFC,18/66] Hexagon instruction class definitions [RFC,19/66] Hexagon instruction utility functions [RFC,20/66] Hexagon generator phase 1 - C preprocessor for semantics [RFC,21/66] Hexagon generator phase 2 - qemu_def_generated.h [RFC,22/66] Hexagon generator phase 2 - qemu_wrap_generated.h [RFC,23/66] Hexagon generator phase 2 - opcodes_def_generated.h [RFC,24/66] Hexagon generator phase 2 - op_attribs_generated.h [RFC,25/66] Hexagon generator phase 2 - op_regs_generated.h [RFC,26/66] Hexagon generator phase 2 - printinsn-generated.h [RFC,27/66] Hexagon generator phase 3 - C preprocessor for decode tree [RFC,28/66] Hexagon generater phase 4 - Decode tree [RFC,29/66] Hexagon opcode data structures [RFC,30/66] Hexagon macros to interface with the generator [RFC,31/66] Hexagon macros referenced in instruction semantics [RFC,32/66] Hexagon instruction classes [RFC,33/66] Hexagon TCG generation helpers - step 1 [RFC,34/66] Hexagon TCG generation helpers - step 2 [RFC,35/66] Hexagon TCG generation helpers - step 3 [RFC,36/66] Hexagon TCG generation helpers - step 4 [RFC,37/66] Hexagon TCG generation helpers - step 5 [RFC,38/66] Hexagon TCG generation - step 01 [RFC,39/66] Hexagon TCG generation - step 02 [RFC,40/66] Hexagon TCG generation - step 03 [RFC,41/66] Hexagon TCG generation - step 04 [RFC,42/66] Hexagon TCG generation - step 05 [RFC,43/66] Hexagon TCG generation - step 06 [RFC,44/66] Hexagon TCG generation - step 07 [RFC,45/66] Hexagon TCG generation - step 08 [RFC,46/66] Hexagon TCG generation - step 09 [RFC,47/66] Hexagon TCG generation - step 10 [RFC,48/66] Hexagon TCG generation - step 11 [RFC,49/66] Hexagon TCG generation - step 12 [RFC,50/66] Hexagon translation [RFC,51/66] Hexagon Linux user emulation [RFC,52/66] Hexagon build infrastructure [RFC,53/66] Hexagon - Add Hexagon Vector eXtensions (HVX) to core definition [RFC,54/66] Hexagon HVX support in gdbstub [RFC,55/66] Hexagon HVX import instruction encodings [RFC,56/66] Hexagon HVX import semantics [RFC,57/66] Hexagon HVX import macro definitions [RFC,58/66] Hexagon HVX semantics generator [RFC,59/66] Hexagon HVX instruction decoding [RFC,60/66] Hexagon HVX instruction utility functions [RFC,61/66] Hexagon HVX macros to interface with the generator [RFC,62/66] Hexagon HVX macros referenced in instruction semantics [RFC,63/66] Hexagon HVX helper to commit vector stores (masked and scatter/gather) [RFC,64/66] Hexagon HVX TCG generation [RFC,65/66] Hexagon HVX translation [RFC,66/66] Hexagon HVX build infrastructure

diff --git a/linux-user/elfload.c b/linux-user/elfload.c index f3080a1..9899953 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1507,6 +1507,22 @@ 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 diff --git a/linux-user/hexagon/cpu_loop.c b/linux-user/hexagon/cpu_loop.c new file mode 100644 index 0000000..6582cb1 --- /dev/null +++ b/linux-user/hexagon/cpu_loop.c @@ -0,0 +1,173 @@ +/* + * qemu user cpu loop + * + * Copyright (c) 2003-2008 Fabrice Bellard + * Copyright (c) 2019 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" +#include "translate.h" + +static int do_store_exclusive(CPUHexagonState *env, bool single) +{ + target_ulong addr; + target_ulong val; + uint64_t val_i64; + int segv = 0; + int reg; + + addr = env->llsc_addr; + reg = env->llsc_reg; + + start_exclusive(); + mmap_lock(); + + env->pred[reg] = 0; + if (single) { + segv = get_user_s32(val, addr); + } else { + segv = get_user_s64(val_i64, addr); + } + if (!segv) { + if (single) { + if (val == env->llsc_val) { + segv = put_user_u32(env->llsc_newval, addr); + if (!segv) { + env->pred[reg] = 0xff; + } + } + } else { + if (val_i64 == env->llsc_val_i64) { + segv = put_user_u64(env->llsc_newval_i64, addr); + if (!segv) { + env->pred[reg] = 0xff; + } + } + } + } + env->llsc_addr = ~0; + if (!segv) { + env->next_PC += 4; + } + + mmap_unlock(); + end_exclusive(); + return segv; +} + +void cpu_loop(CPUHexagonState *env) +{ + CPUState *cs = CPU(hexagon_env_get_cpu(env)); + target_siginfo_t info; + 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; +#if COUNT_HEX_HELPERS + if (syscallnum == TARGET_NR_exit_group) { + print_helper_counts(); + } +#endif + 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_TRAP1: + EXCP_DUMP(env, "\nqemu: trap1 exception %#x - aborting\n", + trapnr); + exit(EXIT_FAILURE); + break; + case HEX_EXCP_SC4: + if (do_store_exclusive(env, true)) { + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = env->next_PC; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + } + break; + case HEX_EXCP_SC8: + if (do_store_exclusive(env, false)) { + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = env->next_PC; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + } + 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; + 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; +} diff --git a/linux-user/hexagon/signal.c b/linux-user/hexagon/signal.c new file mode 100644 index 0000000..70b6219 --- /dev/null +++ b/linux-user/hexagon/signal.c @@ -0,0 +1,276 @@ +/* + * Emulation of Linux signals + * + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2019 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; +} diff --git a/linux-user/hexagon/sockbits.h b/linux-user/hexagon/sockbits.h new file mode 100644 index 0000000..a99210e --- /dev/null +++ b/linux-user/hexagon/sockbits.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2019 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" diff --git a/linux-user/hexagon/syscall_nr.h b/linux-user/hexagon/syscall_nr.h new file mode 100644 index 0000000..ccda40f --- /dev/null +++ b/linux-user/hexagon/syscall_nr.h @@ -0,0 +1,346 @@ +/* + * Copyright (c) 2019 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/>. + */ + +/* + * Syscall numbers + */ + +#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_NR3264_fcntl 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_NR3264_statfs 43 +#define TARGET_NR_statfs TARGET_NR3264_statfs +#define TARGET_NR3264_fstatfs 44 +#define TARGET_NR3264_truncate 45 +#define TARGET_NR3264_ftruncate 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_NR3264_lseek 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_NR3264_sendfile 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_NR3264_fstatat 79 +#define TARGET_NR3264_fstat 80 +#define TARGET_NR_fstat TARGET_NR3264_fstat +#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_NR3264_mmap 222 +#define TARGET_NR3264_fadvise64 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_open 1024 +#define TARGET_NR_link 1025 +#define TARGET_NR_unlink 1026 +#define TARGET_NR_mknod 1027 +#define TARGET_NR_chmod 1028 +#define TARGET_NR_chown 1029 +#define TARGET_NR_mkdir 1030 +#define TARGET_NR_rmdir 1031 +#define TARGET_NR_lchown 1032 +#define TARGET_NR_access 1033 +#define TARGET_NR_rename 1034 +#define TARGET_NR_readlink 1035 +#define TARGET_NR_symlink 1036 +#define TARGET_NR_utimes 1037 +#define TARGET_NR3264_stat 1038 +#define TARGET_NR3264_lstat 1039 +#define TARGET_NR_pipe 1040 +#define TARGET_NR_dup2 1041 +#define TARGET_NR_epoll_create 1042 +#define TARGET_NR_inotify_init 1043 +#define TARGET_NR_eventfd 1044 +#define TARGET_NR_signalfd 1045 +#define TARGET_NR_alarm 1059 +#define TARGET_NR_getpgrp 1060 +#define TARGET_NR_pause 1061 +#define TARGET_NR_time 1062 +#define TARGET_NR_utime 1063 +#define TARGET_NR_creat 1064 +#define TARGET_NR_getdents 1065 +#define TARGET_NR_futimesat 1066 +#define TARGET_NR_select 1067 +#define TARGET_NR_poll 1068 +#define TARGET_NR_epoll_wait 1069 +#define TARGET_NR_ustat 1070 +#define TARGET_NR_vfork 1071 +#define TARGET_NR_oldwait4 1072 +#define TARGET_NR_recv 1073 +#define TARGET_NR_send 1074 +#define TARGET_NR_bdflush 1075 +#define TARGET_NR_umount 1076 +#define TARGET_NR_uselib 1077 +#define TARGET_NR__sysctl 1078 +#define TARGET_NR_fork 1079 +#define TARGET_NR_syscalls (TARGET_NR_fork + 1) +#define TARGET_NR_fstatfs TARGET_NR3264_fstatfs +#define TARGET_NR_truncate64 TARGET_NR3264_truncate +#define TARGET_NR_ftruncate64 TARGET_NR3264_ftruncate +#define TARGET_NR_sendfile TARGET_NR3264_sendfile +#define TARGET_NR_newfstatat TARGET_NR3264_fstatat +#define TARGET_NR_lstat TARGET_NR3264_lstat +#define TARGET_NR_fcntl64 TARGET_NR3264_fcntl +#define TARGET_NR__llseek TARGET_NR3264_lseek +#define TARGET_NR_mmap2 TARGET_NR3264_mmap +#define TARGET_NR_fadvise64_64 TARGET_NR3264_fadvise64 +#define TARGET_NR_stat64 TARGET_NR3264_stat + diff --git a/linux-user/hexagon/target_cpu.h b/linux-user/hexagon/target_cpu.h new file mode 100644 index 0000000..1cb0c1b --- /dev/null +++ b/linux-user/hexagon/target_cpu.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2019 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 TARGET_CPU_H +#define 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 diff --git a/linux-user/hexagon/target_elf.h b/linux-user/hexagon/target_elf.h new file mode 100644 index 0000000..15bef51 --- /dev/null +++ b/linux-user/hexagon/target_elf.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2019 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 */ + return "v67"; + } + return "unknown"; +} + +#endif diff --git a/linux-user/hexagon/target_fcntl.h b/linux-user/hexagon/target_fcntl.h new file mode 100644 index 0000000..fa9ab90 --- /dev/null +++ b/linux-user/hexagon/target_fcntl.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2019 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" diff --git a/linux-user/hexagon/target_signal.h b/linux-user/hexagon/target_signal.h new file mode 100644 index 0000000..ae52ff5 --- /dev/null +++ b/linux-user/hexagon/target_signal.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2019 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 TARGET_SIGNAL_H +#define 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 */ diff --git a/linux-user/hexagon/target_structs.h b/linux-user/hexagon/target_structs.h new file mode 100644 index 0000000..312be8e --- /dev/null +++ b/linux-user/hexagon/target_structs.h @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2019 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 TARGET_STRUCTS_H +#define TARGET_STRUCTS_H + +struct target_ipc_perm { + abi_int __key; + abi_int uid; + abi_int gid; + abi_int cuid; + abi_int cgid; + abi_ushort mode; + abi_ushort __pad1; + abi_ushort __seq; +}; + +struct target_shmid_ds { + struct target_ipc_perm shm_perm; + abi_long shm_segsz; + abi_ulong shm_atime; + abi_ulong shm_dtime; + abi_ulong shm_ctime; + abi_int shm_cpid; + abi_int shm_lpid; + abi_ulong shm_nattch; +}; + +#endif diff --git a/linux-user/hexagon/target_syscall.h b/linux-user/hexagon/target_syscall.h new file mode 100644 index 0000000..2d17a5f --- /dev/null +++ b/linux-user/hexagon/target_syscall.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2019 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 TARGET_SYSCALL_H +#define 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 + +#endif diff --git a/linux-user/hexagon/termbits.h b/linux-user/hexagon/termbits.h new file mode 100644 index 0000000..796e55d --- /dev/null +++ b/linux-user/hexagon/termbits.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2019 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 "../i386/termbits.h" diff --git a/linux-user/syscall.c b/linux-user/syscall.c index d60142f..2fcc6d9 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -512,6 +512,8 @@ 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 diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 9b61ae8..fc8d028 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -102,6 +102,14 @@ #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 @@ -2133,6 +2141,31 @@ 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

[RFC,51/66] Hexagon Linux user emulation

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