diff --git a/sys/arm/arm/exec_machdep.c b/sys/arm/arm/exec_machdep.c new file mode 100644 index 000000000000..3b952463b1ad --- /dev/null +++ b/sys/arm/arm/exec_machdep.c @@ -0,0 +1,379 @@ +/* $NetBSD: arm32_machdep.c,v 1.44 2004/03/24 15:34:47 atatat Exp $ */ + +/*- + * SPDX-License-Identifier: BSD-4-Clause + * + * Copyright (c) 2004 Olivier Houchard + * Copyright (c) 1994-1998 Mark Brinicombe. + * Copyright (c) 1994 Brini. + * All rights reserved. + * + * This code is derived from software written for Brini by Mark Brinicombe + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Mark Brinicombe + * for the NetBSD Project. + * 4. The name of the company nor the name of the author may be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +/* + * Clear registers on exec + */ +void +exec_setregs(struct thread *td, struct image_params *imgp, uintptr_t stack) +{ + struct trapframe *tf = td->td_frame; + + memset(tf, 0, sizeof(*tf)); + tf->tf_usr_sp = stack; + tf->tf_usr_lr = imgp->entry_addr; + tf->tf_svc_lr = 0x77777777; + tf->tf_pc = imgp->entry_addr; + tf->tf_spsr = PSR_USR32_MODE; + if ((register_t)imgp->entry_addr & 1) + tf->tf_spsr |= PSR_T; +} + +#ifdef VFP +/* + * Get machine VFP context. + */ +void +get_vfpcontext(struct thread *td, mcontext_vfp_t *vfp) +{ + struct pcb *pcb; + + pcb = td->td_pcb; + if (td == curthread) { + critical_enter(); + vfp_store(&pcb->pcb_vfpstate, false); + critical_exit(); + } else + MPASS(TD_IS_SUSPENDED(td)); + memcpy(vfp->mcv_reg, pcb->pcb_vfpstate.reg, + sizeof(vfp->mcv_reg)); + vfp->mcv_fpscr = pcb->pcb_vfpstate.fpscr; +} + +/* + * Set machine VFP context. + */ +void +set_vfpcontext(struct thread *td, mcontext_vfp_t *vfp) +{ + struct pcb *pcb; + + pcb = td->td_pcb; + if (td == curthread) { + critical_enter(); + vfp_discard(td); + critical_exit(); + } else + MPASS(TD_IS_SUSPENDED(td)); + memcpy(pcb->pcb_vfpstate.reg, vfp->mcv_reg, + sizeof(pcb->pcb_vfpstate.reg)); + pcb->pcb_vfpstate.fpscr = vfp->mcv_fpscr; +} +#endif + +int +arm_get_vfpstate(struct thread *td, void *args) +{ + int rv; + struct arm_get_vfpstate_args ua; + mcontext_vfp_t mcontext_vfp; + + rv = copyin(args, &ua, sizeof(ua)); + if (rv != 0) + return (rv); + if (ua.mc_vfp_size != sizeof(mcontext_vfp_t)) + return (EINVAL); +#ifdef VFP + get_vfpcontext(td, &mcontext_vfp); +#else + bzero(&mcontext_vfp, sizeof(mcontext_vfp)); +#endif + + rv = copyout(&mcontext_vfp, ua.mc_vfp, sizeof(mcontext_vfp)); + if (rv != 0) + return (rv); + return (0); +} + +/* + * Get machine context. + */ +int +get_mcontext(struct thread *td, mcontext_t *mcp, int clear_ret) +{ + struct trapframe *tf = td->td_frame; + __greg_t *gr = mcp->__gregs; + + if (clear_ret & GET_MC_CLEAR_RET) { + gr[_REG_R0] = 0; + gr[_REG_CPSR] = tf->tf_spsr & ~PSR_C; + } else { + gr[_REG_R0] = tf->tf_r0; + gr[_REG_CPSR] = tf->tf_spsr; + } + gr[_REG_R1] = tf->tf_r1; + gr[_REG_R2] = tf->tf_r2; + gr[_REG_R3] = tf->tf_r3; + gr[_REG_R4] = tf->tf_r4; + gr[_REG_R5] = tf->tf_r5; + gr[_REG_R6] = tf->tf_r6; + gr[_REG_R7] = tf->tf_r7; + gr[_REG_R8] = tf->tf_r8; + gr[_REG_R9] = tf->tf_r9; + gr[_REG_R10] = tf->tf_r10; + gr[_REG_R11] = tf->tf_r11; + gr[_REG_R12] = tf->tf_r12; + gr[_REG_SP] = tf->tf_usr_sp; + gr[_REG_LR] = tf->tf_usr_lr; + gr[_REG_PC] = tf->tf_pc; + + mcp->mc_vfp_size = 0; + mcp->mc_vfp_ptr = NULL; + memset(&mcp->mc_spare, 0, sizeof(mcp->mc_spare)); + + return (0); +} + +/* + * Set machine context. + * + * However, we don't set any but the user modifiable flags, and we won't + * touch the cs selector. + */ +int +set_mcontext(struct thread *td, mcontext_t *mcp) +{ + mcontext_vfp_t mc_vfp, *vfp; + struct trapframe *tf = td->td_frame; + const __greg_t *gr = mcp->__gregs; + int spsr; + + /* + * Make sure the processor mode has not been tampered with and + * interrupts have not been disabled. + */ + spsr = gr[_REG_CPSR]; + if ((spsr & PSR_MODE) != PSR_USR32_MODE || + (spsr & (PSR_I | PSR_F)) != 0) + return (EINVAL); + +#ifdef WITNESS + if (mcp->mc_vfp_size != 0 && mcp->mc_vfp_size != sizeof(mc_vfp)) { + printf("%s: %s: Malformed mc_vfp_size: %d (0x%08X)\n", + td->td_proc->p_comm, __func__, + mcp->mc_vfp_size, mcp->mc_vfp_size); + } else if (mcp->mc_vfp_size != 0 && mcp->mc_vfp_ptr == NULL) { + printf("%s: %s: c_vfp_size != 0 but mc_vfp_ptr == NULL\n", + td->td_proc->p_comm, __func__); + } +#endif + + if (mcp->mc_vfp_size == sizeof(mc_vfp) && mcp->mc_vfp_ptr != NULL) { + if (copyin(mcp->mc_vfp_ptr, &mc_vfp, sizeof(mc_vfp)) != 0) + return (EFAULT); + vfp = &mc_vfp; + } else { + vfp = NULL; + } + + tf->tf_r0 = gr[_REG_R0]; + tf->tf_r1 = gr[_REG_R1]; + tf->tf_r2 = gr[_REG_R2]; + tf->tf_r3 = gr[_REG_R3]; + tf->tf_r4 = gr[_REG_R4]; + tf->tf_r5 = gr[_REG_R5]; + tf->tf_r6 = gr[_REG_R6]; + tf->tf_r7 = gr[_REG_R7]; + tf->tf_r8 = gr[_REG_R8]; + tf->tf_r9 = gr[_REG_R9]; + tf->tf_r10 = gr[_REG_R10]; + tf->tf_r11 = gr[_REG_R11]; + tf->tf_r12 = gr[_REG_R12]; + tf->tf_usr_sp = gr[_REG_SP]; + tf->tf_usr_lr = gr[_REG_LR]; + tf->tf_pc = gr[_REG_PC]; + tf->tf_spsr = gr[_REG_CPSR]; +#ifdef VFP + if (vfp != NULL) + set_vfpcontext(td, vfp); +#endif + return (0); +} + +void +sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) +{ + struct thread *td; + struct proc *p; + struct trapframe *tf; + struct sigframe *fp, frame; + struct sigacts *psp; + struct sysentvec *sysent; + int onstack; + int sig; + int code; + + td = curthread; + p = td->td_proc; + PROC_LOCK_ASSERT(p, MA_OWNED); + sig = ksi->ksi_signo; + code = ksi->ksi_code; + psp = p->p_sigacts; + mtx_assert(&psp->ps_mtx, MA_OWNED); + tf = td->td_frame; + onstack = sigonstack(tf->tf_usr_sp); + + CTR4(KTR_SIG, "sendsig: td=%p (%s) catcher=%p sig=%d", td, p->p_comm, + catcher, sig); + + /* Allocate and validate space for the signal handler context. */ + if ((td->td_pflags & TDP_ALTSTACK) != 0 && !(onstack) && + SIGISMEMBER(psp->ps_sigonstack, sig)) { + fp = (struct sigframe *)((uintptr_t)td->td_sigstk.ss_sp + + td->td_sigstk.ss_size); +#if defined(COMPAT_43) + td->td_sigstk.ss_flags |= SS_ONSTACK; +#endif + } else + fp = (struct sigframe *)td->td_frame->tf_usr_sp; + + /* make room on the stack */ + fp--; + + /* make the stack aligned */ + fp = (struct sigframe *)STACKALIGN(fp); + /* Populate the siginfo frame. */ + bzero(&frame, sizeof(frame)); + get_mcontext(td, &frame.sf_uc.uc_mcontext, 0); +#ifdef VFP + get_vfpcontext(td, &frame.sf_vfp); + frame.sf_uc.uc_mcontext.mc_vfp_size = sizeof(fp->sf_vfp); + frame.sf_uc.uc_mcontext.mc_vfp_ptr = &fp->sf_vfp; +#else + frame.sf_uc.uc_mcontext.mc_vfp_size = 0; + frame.sf_uc.uc_mcontext.mc_vfp_ptr = NULL; +#endif + frame.sf_si = ksi->ksi_info; + frame.sf_uc.uc_sigmask = *mask; + frame.sf_uc.uc_stack = td->td_sigstk; + frame.sf_uc.uc_stack.ss_flags = (td->td_pflags & TDP_ALTSTACK) != 0 ? + (onstack ? SS_ONSTACK : 0) : SS_DISABLE; + mtx_unlock(&psp->ps_mtx); + PROC_UNLOCK(td->td_proc); + + /* Copy the sigframe out to the user's stack. */ + if (copyout(&frame, fp, sizeof(*fp)) != 0) { + /* Process has trashed its stack. Kill it. */ + CTR2(KTR_SIG, "sendsig: sigexit td=%p fp=%p", td, fp); + PROC_LOCK(p); + sigexit(td, SIGILL); + } + + /* + * Build context to run handler in. We invoke the handler + * directly, only returning via the trampoline. Note the + * trampoline version numbers are coordinated with machine- + * dependent code in libc. + */ + + tf->tf_r0 = sig; + tf->tf_r1 = (register_t)&fp->sf_si; + tf->tf_r2 = (register_t)&fp->sf_uc; + + /* the trampoline uses r5 as the uc address */ + tf->tf_r5 = (register_t)&fp->sf_uc; + tf->tf_pc = (register_t)catcher; + tf->tf_usr_sp = (register_t)fp; + sysent = p->p_sysent; + if (sysent->sv_sigcode_base != 0) + tf->tf_usr_lr = (register_t)sysent->sv_sigcode_base; + else + tf->tf_usr_lr = (register_t)(sysent->sv_psstrings - + *(sysent->sv_szsigcode)); + /* Set the mode to enter in the signal handler */ +#if __ARM_ARCH >= 7 + if ((register_t)catcher & 1) + tf->tf_spsr |= PSR_T; + else + tf->tf_spsr &= ~PSR_T; +#endif + + CTR3(KTR_SIG, "sendsig: return td=%p pc=%#x sp=%#x", td, tf->tf_usr_lr, + tf->tf_usr_sp); + + PROC_LOCK(p); + mtx_lock(&psp->ps_mtx); +} + +int +sys_sigreturn(struct thread *td, struct sigreturn_args *uap) +{ + ucontext_t uc; + int error; + + if (uap == NULL) + return (EFAULT); + if (copyin(uap->sigcntxp, &uc, sizeof(uc))) + return (EFAULT); + /* Restore register context. */ + error = set_mcontext(td, &uc.uc_mcontext); + if (error != 0) + return (error); + + /* Restore signal mask. */ + kern_sigprocmask(td, SIG_SETMASK, &uc.uc_sigmask, NULL, 0); + + return (EJUSTRETURN); +} diff --git a/sys/arm/arm/machdep.c b/sys/arm/arm/machdep.c index c852187087b3..933edfb0dc84 100644 --- a/sys/arm/arm/machdep.c +++ b/sys/arm/arm/machdep.c @@ -1,955 +1,633 @@ /* $NetBSD: arm32_machdep.c,v 1.44 2004/03/24 15:34:47 atatat Exp $ */ /*- * SPDX-License-Identifier: BSD-4-Clause * * Copyright (c) 2004 Olivier Houchard * Copyright (c) 1994-1998 Mark Brinicombe. * Copyright (c) 1994 Brini. * All rights reserved. * * This code is derived from software written for Brini by Mark Brinicombe * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Mark Brinicombe * for the NetBSD Project. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Machine dependent functions for kernel setup * * Created : 17/09/94 * Updated : 18/04/01 updated for new wscons */ #include "opt_ddb.h" #include "opt_kstack_pages.h" #include "opt_platform.h" #include "opt_sched.h" #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef FDT #include #include #endif #ifdef DEBUG #define debugf(fmt, args...) printf(fmt, ##args) #else #define debugf(fmt, args...) #endif #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) || \ defined(COMPAT_FREEBSD9) #error FreeBSD/arm doesn't provide compatibility with releases prior to 10 #endif #if __ARM_ARCH < 6 #error FreeBSD requires ARMv6 or later #endif struct pcpu __pcpu[MAXCPU]; struct pcpu *pcpup = &__pcpu[0]; static struct trapframe proc0_tf; uint32_t cpu_reset_address = 0; int cold = 1; vm_offset_t vector_page; /* The address at which the kernel was loaded. Set early in initarm(). */ vm_paddr_t arm_physmem_kernaddr; extern int *end; #ifdef FDT vm_paddr_t pmap_pa; vm_offset_t systempage; vm_offset_t irqstack; vm_offset_t undstack; vm_offset_t abtstack; #endif /* FDT */ #ifdef PLATFORM static delay_func *delay_impl; static void *delay_arg; #endif struct kva_md_info kmi; /* * arm32_vector_init: * * Initialize the vector page, and select whether or not to * relocate the vectors. * * NOTE: We expect the vector page to be mapped at its expected * destination. */ extern unsigned int page0[], page0_data[]; void arm_vector_init(vm_offset_t va, int which) { unsigned int *vectors = (int *) va; unsigned int *vectors_data = vectors + (page0_data - page0); int vec; /* * Loop through the vectors we're taking over, and copy the * vector's insn and data word. */ for (vec = 0; vec < ARM_NVEC; vec++) { if ((which & (1 << vec)) == 0) { /* Don't want to take over this vector. */ continue; } vectors[vec] = page0[vec]; vectors_data[vec] = page0_data[vec]; } /* Now sync the vectors. */ icache_sync(va, (ARM_NVEC * 2) * sizeof(u_int)); vector_page = va; } static void cpu_startup(void *dummy) { struct pcb *pcb = thread0.td_pcb; const unsigned int mbyte = 1024 * 1024; identify_arm_cpu(); vm_ksubmap_init(&kmi); /* * Display the RAM layout. */ printf("real memory = %ju (%ju MB)\n", (uintmax_t)arm32_ptob(realmem), (uintmax_t)arm32_ptob(realmem) / mbyte); printf("avail memory = %ju (%ju MB)\n", (uintmax_t)arm32_ptob(vm_free_count()), (uintmax_t)arm32_ptob(vm_free_count()) / mbyte); if (bootverbose) { physmem_print_tables(); devmap_print_table(); } bufinit(); vm_pager_bufferinit(); pcb->pcb_regs.sf_sp = (u_int)thread0.td_kstack + USPACE_SVC_STACK_TOP; pmap_set_pcb_pagedir(kernel_pmap, pcb); } SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_startup, NULL); /* * Flush the D-cache for non-DMA I/O so that the I-cache can * be made coherent later. */ void cpu_flush_dcache(void *ptr, size_t len) { dcache_wb_poc((vm_offset_t)ptr, (vm_paddr_t)vtophys(ptr), len); } /* Get current clock frequency for the given cpu id. */ int cpu_est_clockrate(int cpu_id, uint64_t *rate) { struct pcpu *pc; pc = pcpu_find(cpu_id); if (pc == NULL || rate == NULL) return (EINVAL); if (pc->pc_clock == 0) return (EOPNOTSUPP); *rate = pc->pc_clock; return (0); } void cpu_idle(int busy) { CTR2(KTR_SPARE2, "cpu_idle(%d) at %d", busy, curcpu); spinlock_enter(); if (!busy) cpu_idleclock(); if (!sched_runnable()) cpu_sleep(0); if (!busy) cpu_activeclock(); spinlock_exit(); CTR2(KTR_SPARE2, "cpu_idle(%d) at %d done", busy, curcpu); } int cpu_idle_wakeup(int cpu) { return (0); } void cpu_initclocks(void) { #ifdef SMP if (PCPU_GET(cpuid) == 0) cpu_initclocks_bsp(); else cpu_initclocks_ap(); #else cpu_initclocks_bsp(); #endif } #ifdef PLATFORM void arm_set_delay(delay_func *impl, void *arg) { KASSERT(impl != NULL, ("No DELAY implementation")); delay_impl = impl; delay_arg = arg; } void DELAY(int usec) { TSENTER(); delay_impl(usec, delay_arg); TSEXIT(); } #endif void cpu_pcpu_init(struct pcpu *pcpu, int cpuid, size_t size) { pcpu->pc_mpidr = 0xffffffff; } void spinlock_enter(void) { struct thread *td; register_t cspr; td = curthread; if (td->td_md.md_spinlock_count == 0) { cspr = disable_interrupts(PSR_I | PSR_F); td->td_md.md_spinlock_count = 1; td->td_md.md_saved_cspr = cspr; critical_enter(); } else td->td_md.md_spinlock_count++; } void spinlock_exit(void) { struct thread *td; register_t cspr; td = curthread; cspr = td->td_md.md_saved_cspr; td->td_md.md_spinlock_count--; if (td->td_md.md_spinlock_count == 0) { critical_exit(); restore_interrupts(cspr); } } -/* - * Clear registers on exec - */ -void -exec_setregs(struct thread *td, struct image_params *imgp, uintptr_t stack) -{ - struct trapframe *tf = td->td_frame; - - memset(tf, 0, sizeof(*tf)); - tf->tf_usr_sp = stack; - tf->tf_usr_lr = imgp->entry_addr; - tf->tf_svc_lr = 0x77777777; - tf->tf_pc = imgp->entry_addr; - tf->tf_spsr = PSR_USR32_MODE; - if ((register_t)imgp->entry_addr & 1) - tf->tf_spsr |= PSR_T; -} - -#ifdef VFP -/* - * Get machine VFP context. - */ -void -get_vfpcontext(struct thread *td, mcontext_vfp_t *vfp) -{ - struct pcb *pcb; - - pcb = td->td_pcb; - if (td == curthread) { - critical_enter(); - vfp_store(&pcb->pcb_vfpstate, false); - critical_exit(); - } else - MPASS(TD_IS_SUSPENDED(td)); - memcpy(vfp->mcv_reg, pcb->pcb_vfpstate.reg, - sizeof(vfp->mcv_reg)); - vfp->mcv_fpscr = pcb->pcb_vfpstate.fpscr; -} - -/* - * Set machine VFP context. - */ -void -set_vfpcontext(struct thread *td, mcontext_vfp_t *vfp) -{ - struct pcb *pcb; - - pcb = td->td_pcb; - if (td == curthread) { - critical_enter(); - vfp_discard(td); - critical_exit(); - } else - MPASS(TD_IS_SUSPENDED(td)); - memcpy(pcb->pcb_vfpstate.reg, vfp->mcv_reg, - sizeof(pcb->pcb_vfpstate.reg)); - pcb->pcb_vfpstate.fpscr = vfp->mcv_fpscr; -} -#endif - -int -arm_get_vfpstate(struct thread *td, void *args) -{ - int rv; - struct arm_get_vfpstate_args ua; - mcontext_vfp_t mcontext_vfp; - - rv = copyin(args, &ua, sizeof(ua)); - if (rv != 0) - return (rv); - if (ua.mc_vfp_size != sizeof(mcontext_vfp_t)) - return (EINVAL); -#ifdef VFP - get_vfpcontext(td, &mcontext_vfp); -#else - bzero(&mcontext_vfp, sizeof(mcontext_vfp)); -#endif - - rv = copyout(&mcontext_vfp, ua.mc_vfp, sizeof(mcontext_vfp)); - if (rv != 0) - return (rv); - return (0); -} - -/* - * Get machine context. - */ -int -get_mcontext(struct thread *td, mcontext_t *mcp, int clear_ret) -{ - struct trapframe *tf = td->td_frame; - __greg_t *gr = mcp->__gregs; - - if (clear_ret & GET_MC_CLEAR_RET) { - gr[_REG_R0] = 0; - gr[_REG_CPSR] = tf->tf_spsr & ~PSR_C; - } else { - gr[_REG_R0] = tf->tf_r0; - gr[_REG_CPSR] = tf->tf_spsr; - } - gr[_REG_R1] = tf->tf_r1; - gr[_REG_R2] = tf->tf_r2; - gr[_REG_R3] = tf->tf_r3; - gr[_REG_R4] = tf->tf_r4; - gr[_REG_R5] = tf->tf_r5; - gr[_REG_R6] = tf->tf_r6; - gr[_REG_R7] = tf->tf_r7; - gr[_REG_R8] = tf->tf_r8; - gr[_REG_R9] = tf->tf_r9; - gr[_REG_R10] = tf->tf_r10; - gr[_REG_R11] = tf->tf_r11; - gr[_REG_R12] = tf->tf_r12; - gr[_REG_SP] = tf->tf_usr_sp; - gr[_REG_LR] = tf->tf_usr_lr; - gr[_REG_PC] = tf->tf_pc; - - mcp->mc_vfp_size = 0; - mcp->mc_vfp_ptr = NULL; - memset(&mcp->mc_spare, 0, sizeof(mcp->mc_spare)); - - return (0); -} - -/* - * Set machine context. - * - * However, we don't set any but the user modifiable flags, and we won't - * touch the cs selector. - */ -int -set_mcontext(struct thread *td, mcontext_t *mcp) -{ - mcontext_vfp_t mc_vfp, *vfp; - struct trapframe *tf = td->td_frame; - const __greg_t *gr = mcp->__gregs; - int spsr; - - /* - * Make sure the processor mode has not been tampered with and - * interrupts have not been disabled. - */ - spsr = gr[_REG_CPSR]; - if ((spsr & PSR_MODE) != PSR_USR32_MODE || - (spsr & (PSR_I | PSR_F)) != 0) - return (EINVAL); - -#ifdef WITNESS - if (mcp->mc_vfp_size != 0 && mcp->mc_vfp_size != sizeof(mc_vfp)) { - printf("%s: %s: Malformed mc_vfp_size: %d (0x%08X)\n", - td->td_proc->p_comm, __func__, - mcp->mc_vfp_size, mcp->mc_vfp_size); - } else if (mcp->mc_vfp_size != 0 && mcp->mc_vfp_ptr == NULL) { - printf("%s: %s: c_vfp_size != 0 but mc_vfp_ptr == NULL\n", - td->td_proc->p_comm, __func__); - } -#endif - - if (mcp->mc_vfp_size == sizeof(mc_vfp) && mcp->mc_vfp_ptr != NULL) { - if (copyin(mcp->mc_vfp_ptr, &mc_vfp, sizeof(mc_vfp)) != 0) - return (EFAULT); - vfp = &mc_vfp; - } else { - vfp = NULL; - } - - tf->tf_r0 = gr[_REG_R0]; - tf->tf_r1 = gr[_REG_R1]; - tf->tf_r2 = gr[_REG_R2]; - tf->tf_r3 = gr[_REG_R3]; - tf->tf_r4 = gr[_REG_R4]; - tf->tf_r5 = gr[_REG_R5]; - tf->tf_r6 = gr[_REG_R6]; - tf->tf_r7 = gr[_REG_R7]; - tf->tf_r8 = gr[_REG_R8]; - tf->tf_r9 = gr[_REG_R9]; - tf->tf_r10 = gr[_REG_R10]; - tf->tf_r11 = gr[_REG_R11]; - tf->tf_r12 = gr[_REG_R12]; - tf->tf_usr_sp = gr[_REG_SP]; - tf->tf_usr_lr = gr[_REG_LR]; - tf->tf_pc = gr[_REG_PC]; - tf->tf_spsr = gr[_REG_CPSR]; -#ifdef VFP - if (vfp != NULL) - set_vfpcontext(td, vfp); -#endif - return (0); -} - -void -sendsig(catcher, ksi, mask) - sig_t catcher; - ksiginfo_t *ksi; - sigset_t *mask; -{ - struct thread *td; - struct proc *p; - struct trapframe *tf; - struct sigframe *fp, frame; - struct sigacts *psp; - struct sysentvec *sysent; - int onstack; - int sig; - int code; - - td = curthread; - p = td->td_proc; - PROC_LOCK_ASSERT(p, MA_OWNED); - sig = ksi->ksi_signo; - code = ksi->ksi_code; - psp = p->p_sigacts; - mtx_assert(&psp->ps_mtx, MA_OWNED); - tf = td->td_frame; - onstack = sigonstack(tf->tf_usr_sp); - - CTR4(KTR_SIG, "sendsig: td=%p (%s) catcher=%p sig=%d", td, p->p_comm, - catcher, sig); - - /* Allocate and validate space for the signal handler context. */ - if ((td->td_pflags & TDP_ALTSTACK) != 0 && !(onstack) && - SIGISMEMBER(psp->ps_sigonstack, sig)) { - fp = (struct sigframe *)((uintptr_t)td->td_sigstk.ss_sp + - td->td_sigstk.ss_size); -#if defined(COMPAT_43) - td->td_sigstk.ss_flags |= SS_ONSTACK; -#endif - } else - fp = (struct sigframe *)td->td_frame->tf_usr_sp; - - /* make room on the stack */ - fp--; - - /* make the stack aligned */ - fp = (struct sigframe *)STACKALIGN(fp); - /* Populate the siginfo frame. */ - bzero(&frame, sizeof(frame)); - get_mcontext(td, &frame.sf_uc.uc_mcontext, 0); -#ifdef VFP - get_vfpcontext(td, &frame.sf_vfp); - frame.sf_uc.uc_mcontext.mc_vfp_size = sizeof(fp->sf_vfp); - frame.sf_uc.uc_mcontext.mc_vfp_ptr = &fp->sf_vfp; -#else - frame.sf_uc.uc_mcontext.mc_vfp_size = 0; - frame.sf_uc.uc_mcontext.mc_vfp_ptr = NULL; -#endif - frame.sf_si = ksi->ksi_info; - frame.sf_uc.uc_sigmask = *mask; - frame.sf_uc.uc_stack = td->td_sigstk; - frame.sf_uc.uc_stack.ss_flags = (td->td_pflags & TDP_ALTSTACK) != 0 ? - (onstack ? SS_ONSTACK : 0) : SS_DISABLE; - mtx_unlock(&psp->ps_mtx); - PROC_UNLOCK(td->td_proc); - - /* Copy the sigframe out to the user's stack. */ - if (copyout(&frame, fp, sizeof(*fp)) != 0) { - /* Process has trashed its stack. Kill it. */ - CTR2(KTR_SIG, "sendsig: sigexit td=%p fp=%p", td, fp); - PROC_LOCK(p); - sigexit(td, SIGILL); - } - - /* - * Build context to run handler in. We invoke the handler - * directly, only returning via the trampoline. Note the - * trampoline version numbers are coordinated with machine- - * dependent code in libc. - */ - - tf->tf_r0 = sig; - tf->tf_r1 = (register_t)&fp->sf_si; - tf->tf_r2 = (register_t)&fp->sf_uc; - - /* the trampoline uses r5 as the uc address */ - tf->tf_r5 = (register_t)&fp->sf_uc; - tf->tf_pc = (register_t)catcher; - tf->tf_usr_sp = (register_t)fp; - sysent = p->p_sysent; - if (sysent->sv_sigcode_base != 0) - tf->tf_usr_lr = (register_t)sysent->sv_sigcode_base; - else - tf->tf_usr_lr = (register_t)(sysent->sv_psstrings - - *(sysent->sv_szsigcode)); - /* Set the mode to enter in the signal handler */ -#if __ARM_ARCH >= 7 - if ((register_t)catcher & 1) - tf->tf_spsr |= PSR_T; - else - tf->tf_spsr &= ~PSR_T; -#endif - - CTR3(KTR_SIG, "sendsig: return td=%p pc=%#x sp=%#x", td, tf->tf_usr_lr, - tf->tf_usr_sp); - - PROC_LOCK(p); - mtx_lock(&psp->ps_mtx); -} - -int -sys_sigreturn(td, uap) - struct thread *td; - struct sigreturn_args /* { - const struct __ucontext *sigcntxp; - } */ *uap; -{ - ucontext_t uc; - int error; - - if (uap == NULL) - return (EFAULT); - if (copyin(uap->sigcntxp, &uc, sizeof(uc))) - return (EFAULT); - /* Restore register context. */ - error = set_mcontext(td, &uc.uc_mcontext); - if (error != 0) - return (error); - - /* Restore signal mask. */ - kern_sigprocmask(td, SIG_SETMASK, &uc.uc_sigmask, NULL, 0); - - return (EJUSTRETURN); -} - /* * Construct a PCB from a trapframe. This is called from kdb_trap() where * we want to start a backtrace from the function that caused us to enter * the debugger. We have the context in the trapframe, but base the trace * on the PCB. The PCB doesn't have to be perfect, as long as it contains * enough for a backtrace. */ void makectx(struct trapframe *tf, struct pcb *pcb) { pcb->pcb_regs.sf_r4 = tf->tf_r4; pcb->pcb_regs.sf_r5 = tf->tf_r5; pcb->pcb_regs.sf_r6 = tf->tf_r6; pcb->pcb_regs.sf_r7 = tf->tf_r7; pcb->pcb_regs.sf_r8 = tf->tf_r8; pcb->pcb_regs.sf_r9 = tf->tf_r9; pcb->pcb_regs.sf_r10 = tf->tf_r10; pcb->pcb_regs.sf_r11 = tf->tf_r11; pcb->pcb_regs.sf_r12 = tf->tf_r12; pcb->pcb_regs.sf_pc = tf->tf_pc; pcb->pcb_regs.sf_lr = tf->tf_usr_lr; pcb->pcb_regs.sf_sp = tf->tf_usr_sp; } void pcpu0_init(void) { set_curthread(&thread0); pcpu_init(pcpup, 0, sizeof(struct pcpu)); pcpup->pc_mpidr = cp15_mpidr_get() & 0xFFFFFF; PCPU_SET(curthread, &thread0); } /* * Initialize proc0 */ void init_proc0(vm_offset_t kstack) { proc_linkup0(&proc0, &thread0); thread0.td_kstack = kstack; thread0.td_kstack_pages = kstack_pages; thread0.td_pcb = (struct pcb *)(thread0.td_kstack + thread0.td_kstack_pages * PAGE_SIZE) - 1; thread0.td_pcb->pcb_flags = 0; thread0.td_pcb->pcb_vfpcpu = -1; thread0.td_pcb->pcb_vfpstate.fpscr = VFPSCR_DN; thread0.td_frame = &proc0_tf; pcpup->pc_curpcb = thread0.td_pcb; } void set_stackptrs(int cpu) { set_stackptr(PSR_IRQ32_MODE, irqstack + ((IRQ_STACK_SIZE * PAGE_SIZE) * (cpu + 1))); set_stackptr(PSR_ABT32_MODE, abtstack + ((ABT_STACK_SIZE * PAGE_SIZE) * (cpu + 1))); set_stackptr(PSR_UND32_MODE, undstack + ((UND_STACK_SIZE * PAGE_SIZE) * (cpu + 1))); } static void arm_kdb_init(void) { kdb_init(); #ifdef KDB if (boothowto & RB_KDB) kdb_enter(KDB_WHY_BOOTFLAGS, "Boot flags requested debugger"); #endif } #ifdef FDT void * initarm(struct arm_boot_params *abp) { struct mem_region mem_regions[FDT_MEM_REGIONS]; vm_paddr_t lastaddr; vm_offset_t dtbp, kernelstack, dpcpu; char *env; void *kmdp; int err_devmap, mem_regions_sz; phandle_t root; char dts_version[255]; #ifdef EFI struct efi_map_header *efihdr; #endif /* get last allocated physical address */ arm_physmem_kernaddr = abp->abp_physaddr; lastaddr = parse_boot_param(abp) - KERNVIRTADDR + arm_physmem_kernaddr; set_cpufuncs(); cpuinfo_init(); /* * Find the dtb passed in by the boot loader. */ kmdp = preload_search_by_type("elf kernel"); dtbp = MD_FETCH(kmdp, MODINFOMD_DTBP, vm_offset_t); #if defined(FDT_DTB_STATIC) /* * In case the device tree blob was not retrieved (from metadata) try * to use the statically embedded one. */ if (dtbp == (vm_offset_t)NULL) dtbp = (vm_offset_t)&fdt_static_dtb; #endif if (OF_install(OFW_FDT, 0) == FALSE) panic("Cannot install FDT"); if (OF_init((void *)dtbp) != 0) panic("OF_init failed with the found device tree"); #if defined(LINUX_BOOT_ABI) arm_parse_fdt_bootargs(); #endif #ifdef EFI efihdr = (struct efi_map_header *)preload_search_info(kmdp, MODINFO_METADATA | MODINFOMD_EFI_MAP); if (efihdr != NULL) { arm_add_efi_map_entries(efihdr, mem_regions, &mem_regions_sz); } else #endif { /* Grab physical memory regions information from device tree. */ if (fdt_get_mem_regions(mem_regions, &mem_regions_sz,NULL) != 0) panic("Cannot get physical memory regions"); } physmem_hardware_regions(mem_regions, mem_regions_sz); /* Grab reserved memory regions information from device tree. */ if (fdt_get_reserved_regions(mem_regions, &mem_regions_sz) == 0) physmem_exclude_regions(mem_regions, mem_regions_sz, EXFLAG_NODUMP | EXFLAG_NOALLOC); /* * Set TEX remapping registers. * Setup kernel page tables and switch to kernel L1 page table. */ pmap_set_tex(); pmap_bootstrap_prepare(lastaddr); /* * If EARLY_PRINTF support is enabled, we need to re-establish the * mapping after pmap_bootstrap_prepare() switches to new page tables. * Note that we can only do the remapping if the VA is outside the * kernel, now that we have real virtual (not VA=PA) mappings in effect. * Early printf does not work between the time pmap_set_tex() does * cp15_prrr_set() and this code remaps the VA. */ #if defined(EARLY_PRINTF) && defined(SOCDEV_PA) && defined(SOCDEV_VA) && SOCDEV_VA < KERNBASE pmap_preboot_map_attr(SOCDEV_PA, SOCDEV_VA, 1024 * 1024, VM_PROT_READ | VM_PROT_WRITE, VM_MEMATTR_DEVICE); #endif /* * Now that proper page tables are installed, call cpu_setup() to enable * instruction and data caches and other chip-specific features. */ cpu_setup(); /* Platform-specific initialisation */ platform_probe_and_attach(); pcpu0_init(); /* Do basic tuning, hz etc */ init_param1(); /* * Allocate a page for the system page mapped to 0xffff0000 * This page will just contain the system vectors and can be * shared by all processes. */ systempage = pmap_preboot_get_pages(1); /* Map the vector page. */ pmap_preboot_map_pages(systempage, ARM_VECTORS_HIGH, 1); if (virtual_end >= ARM_VECTORS_HIGH) virtual_end = ARM_VECTORS_HIGH - 1; /* Allocate dynamic per-cpu area. */ dpcpu = pmap_preboot_get_vpages(DPCPU_SIZE / PAGE_SIZE); dpcpu_init((void *)dpcpu, 0); /* Allocate stacks for all modes */ irqstack = pmap_preboot_get_vpages(IRQ_STACK_SIZE * MAXCPU); abtstack = pmap_preboot_get_vpages(ABT_STACK_SIZE * MAXCPU); undstack = pmap_preboot_get_vpages(UND_STACK_SIZE * MAXCPU ); kernelstack = pmap_preboot_get_vpages(kstack_pages); /* Allocate message buffer. */ msgbufp = (void *)pmap_preboot_get_vpages( round_page(msgbufsize) / PAGE_SIZE); /* * Pages were allocated during the secondary bootstrap for the * stacks for different CPU modes. * We must now set the r13 registers in the different CPU modes to * point to these stacks. * Since the ARM stacks use STMFD etc. we must set r13 to the top end * of the stack memory. */ set_stackptrs(0); mutex_init(); /* Establish static device mappings. */ err_devmap = platform_devmap_init(); devmap_bootstrap(0, NULL); vm_max_kernel_address = platform_lastaddr(); /* * Only after the SOC registers block is mapped we can perform device * tree fixups, as they may attempt to read parameters from hardware. */ OF_interpret("perform-fixup", 0); platform_gpio_init(); cninit(); /* * If we made a mapping for EARLY_PRINTF after pmap_bootstrap_prepare(), * undo it now that the normal console printf works. */ #if defined(EARLY_PRINTF) && defined(SOCDEV_PA) && defined(SOCDEV_VA) && SOCDEV_VA < KERNBASE pmap_kremove(SOCDEV_VA); #endif debugf("initarm: console initialized\n"); debugf(" arg1 kmdp = 0x%08x\n", (uint32_t)kmdp); debugf(" boothowto = 0x%08x\n", boothowto); debugf(" dtbp = 0x%08x\n", (uint32_t)dtbp); debugf(" lastaddr1: 0x%08x\n", lastaddr); arm_print_kenv(); env = kern_getenv("kernelname"); if (env != NULL) strlcpy(kernelname, env, sizeof(kernelname)); if (err_devmap != 0) printf("WARNING: could not fully configure devmap, error=%d\n", err_devmap); platform_late_init(); root = OF_finddevice("/"); if (OF_getprop(root, "freebsd,dts-version", dts_version, sizeof(dts_version)) > 0) { if (strcmp(LINUX_DTS_VERSION, dts_version) != 0) printf("WARNING: DTB version is %s while kernel expects %s, " "please update the DTB in the ESP\n", dts_version, LINUX_DTS_VERSION); } else { printf("WARNING: Cannot find freebsd,dts-version property, " "cannot check DTB compliance\n"); } /* * We must now clean the cache again.... * Cleaning may be done by reading new data to displace any * dirty data in the cache. This will have happened in cpu_setttb() * but since we are boot strapping the addresses used for the read * may have just been remapped and thus the cache could be out * of sync. A re-clean after the switch will cure this. * After booting there are no gross relocations of the kernel thus * this problem will not occur after initarm(). */ /* Set stack for exception handlers */ undefined_init(); init_proc0(kernelstack); arm_vector_init(ARM_VECTORS_HIGH, ARM_VEC_ALL); enable_interrupts(PSR_A); pmap_bootstrap(0); /* Exclude the kernel (and all the things we allocated which immediately * follow the kernel) from the VM allocation pool but not from crash * dumps. virtual_avail is a global variable which tracks the kva we've * "allocated" while setting up pmaps. * * Prepare the list of physical memory available to the vm subsystem. */ physmem_exclude_region(abp->abp_physaddr, pmap_preboot_get_pages(0) - abp->abp_physaddr, EXFLAG_NOALLOC); physmem_init_kernel_globals(); init_param2(physmem); /* Init message buffer. */ msgbufinit(msgbufp, msgbufsize); dbg_monitor_init(); arm_kdb_init(); /* Apply possible BP hardening. */ cpuinfo_init_bp_hardening(); return ((void *)STACKALIGN(thread0.td_pcb)); } #endif /* FDT */ diff --git a/sys/conf/files.arm b/sys/conf/files.arm index 76f62eb2e14e..ce9c4933a024 100644 --- a/sys/conf/files.arm +++ b/sys/conf/files.arm @@ -1,140 +1,141 @@ # $FreeBSD$ arm/arm/autoconf.c standard arm/arm/bcopy_page.S standard arm/arm/bcopyinout.S standard arm/arm/blockio.S standard arm/arm/bus_space_asm_generic.S standard arm/arm/bus_space_base.c optional fdt arm/arm/bus_space_generic.c standard arm/arm/busdma_machdep.c standard arm/arm/copystr.S standard arm/arm/cpufunc.c standard arm/arm/cpufunc_asm.S standard arm/arm/cpufunc_asm_arm11x6.S optional cpu_arm1176 arm/arm/cpufunc_asm_armv7.S optional cpu_cortexa | cpu_krait | cpu_mv_pj4b arm/arm/cpufunc_asm_pj4b.S optional cpu_mv_pj4b arm/arm/cpuinfo.c standard arm/arm/cpu_asm-v6.S standard arm/arm/db_disasm.c optional ddb arm/arm/db_interface.c optional ddb arm/arm/db_trace.c optional ddb arm/arm/debug_monitor.c optional ddb | gdb arm/arm/disassem.c optional ddb arm/arm/dump_machdep.c standard arm/arm/elf_machdep.c standard arm/arm/elf_note.S standard arm/arm/exception.S standard +arm/arm/exec_machdep.c standard arm/arm/fiq.c standard arm/arm/fiq_subr.S standard arm/arm/fusu.S standard arm/arm/gdb_machdep.c optional gdb arm/arm/generic_timer.c optional generic_timer arm/arm/gic.c optional gic arm/arm/gic_fdt.c optional gic fdt arm/arm/gic_if.m optional gic arm/arm/identcpu-v6.c standard arm/arm/in_cksum.c optional inet | inet6 arm/arm/in_cksum_arm.S optional inet | inet6 kern/subr_intr.c standard arm/arm/locore.S standard no-obj arm/arm/hypervisor-stub.S standard arm/arm/machdep.c standard arm/arm/machdep_boot.c standard arm/arm/machdep_kdb.c standard arm/arm/machdep_intr.c standard arm/arm/machdep_ptrace.c standard arm/arm/mem.c optional mem arm/arm/minidump_machdep.c standard arm/arm/mp_machdep.c optional smp arm/arm/mpcore_timer.c optional mpcore_timer arm/arm/nexus.c standard arm/arm/ofw_machdep.c optional fdt arm/arm/pl190.c optional pl190 arm/arm/pl310.c optional pl310 arm/arm/platform.c optional platform arm/arm/platform_if.m optional platform arm/arm/platform_pl310_if.m optional platform pl310 arm/arm/pmap-v6.c standard arm/arm/pmu.c optional pmu | hwpmc arm/arm/pmu_fdt.c optional fdt pmu | fdt hwpmc arm/arm/ptrace_machdep.c standard arm/arm/sc_machdep.c optional sc arm/arm/setcpsr.S standard arm/arm/setstack.s standard arm/arm/stack_machdep.c optional ddb | stack arm/arm/stdatomic.c standard \ compile-with "${NORMAL_C:N-Wmissing-prototypes}" arm/arm/support.S standard arm/arm/swtch.S standard arm/arm/swtch-v6.S standard arm/arm/sys_machdep.c standard arm/arm/syscall.c standard arm/arm/trap-v6.c standard arm/arm/uio_machdep.c standard arm/arm/undefined.c standard arm/arm/unwind.c optional ddb | kdtrace_hooks | stack arm/arm/vm_machdep.c standard arm/arm/vfp.c standard cddl/compat/opensolaris/kern/opensolaris_atomic.c optional !armv7 !armv6 zfs | !armv7 !armv6 dtrace compile-with "${CDDL_C}" cddl/dev/dtrace/arm/dtrace_asm.S optional dtrace compile-with "${DTRACE_S}" cddl/dev/dtrace/arm/dtrace_subr.c optional dtrace compile-with "${DTRACE_C}" cddl/dev/fbt/arm/fbt_isa.c optional dtrace_fbt | dtraceall compile-with "${FBT_C}" crypto/des/des_enc.c optional netsmb dev/cpufreq/cpufreq_dt.c optional cpufreq fdt dev/dwc/if_dwc.c optional dwc dev/dwc/if_dwc_if.m optional dwc dev/fb/fb.c optional sc dev/fdt/fdt_arm_platform.c optional platform fdt dev/hdmi/hdmi_if.m optional hdmi dev/hwpmc/hwpmc_arm.c optional hwpmc dev/hwpmc/hwpmc_armv7.c optional hwpmc armv6 dev/hwpmc/hwpmc_armv7.c optional hwpmc armv7 dev/iicbus/twsi/twsi.c optional twsi dev/ofw/ofw_pcib.c optional fdt pci dev/pci/pci_host_generic.c optional pci_host_generic pci dev/pci/pci_host_generic_fdt.c optional pci_host_generic pci fdt dev/psci/psci.c optional psci dev/psci/smccc_arm.S optional psci dev/syscons/scgfbrndr.c optional sc dev/uart/uart_cpu_fdt.c optional uart fdt kern/msi_if.m optional intrng kern/pic_if.m optional intrng kern/subr_busdma_bufalloc.c standard kern/subr_devmap.c standard kern/subr_physmem.c standard kern/subr_sfbuf.c standard libkern/arm/aeabi_unwind.c standard libkern/arm/divsi3.S standard libkern/arm/ffs.S optional !armv7 !armv6 libkern/arm/ldivmod.S standard libkern/arm/ldivmod_helper.c standard libkern/arm/memclr.S standard libkern/arm/memcpy.S standard libkern/arm/memset.S standard libkern/arm/muldi3.c standard libkern/ashldi3.c standard libkern/ashrdi3.c standard libkern/divdi3.c standard libkern/ffsl.c optional !armv7 !armv6 libkern/ffsll.c optional !armv7 !armv6 libkern/fls.c optional !armv7 !armv6 libkern/flsl.c optional !armv7 !armv6 libkern/flsll.c optional !armv7 !armv6 libkern/lshrdi3.c standard libkern/moddi3.c standard libkern/qdivrem.c standard libkern/strlen.c standard libkern/ucmpdi2.c standard libkern/udivdi3.c standard libkern/umoddi3.c standard # Annapurna support arm/annapurna/alpine/alpine_ccu.c optional al_ccu fdt arm/annapurna/alpine/alpine_nb_service.c optional al_nb_service fdt arm/annapurna/alpine/alpine_pci.c optional al_pci fdt arm/annapurna/alpine/alpine_pci_msix.c optional al_pci fdt arm/annapurna/alpine/alpine_serdes.c optional al_serdes fdt \ no-depend \ compile-with "${CC} -c -o ${.TARGET} ${CFLAGS} -I$S/contrib/alpine-hal -I$S/contrib/alpine-hal/eth ${.IMPSRC}"