diff --git a/sys/arm/arm/machdep.c b/sys/arm/arm/machdep.c index e45ef9834e81..31f888313d59 100644 --- a/sys/arm/arm/machdep.c +++ b/sys/arm/arm/machdep.c @@ -1,638 +1,649 @@ /* $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 #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 #if defined(SOCDEV_PA) #if !defined(SOCDEV_VA) #error SOCDEV_PA defined, but not SOCDEV_VA #endif uintptr_t socdev_va = SOCDEV_VA; #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); 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); } } /* * 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_fpflags = 0; thread0.td_pcb->pcb_vfpcpu = -1; thread0.td_pcb->pcb_vfpstate.fpscr = VFPSCR_DN; thread0.td_pcb->pcb_vfpsaved = &thread0.td_pcb->pcb_vfpstate; 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; 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. */ dtbp = MD_FETCH(preload_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(preload_kmdp, MODINFO_METADATA | MODINFOMD_EFI_MAP); if (efihdr != NULL) { - arm_add_efi_map_entries(efihdr, mem_regions, &mem_regions_sz); + efi_map_add_entries(efihdr); + efi_map_exclude_entries(efihdr); } 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); + 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(); 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)preload_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(); + +#ifdef EFI + if (boothowto & RB_VERBOSE) { + if (efihdr != NULL) + efi_map_print_entries(efihdr); + } +#endif + return ((void *)STACKALIGN(thread0.td_pcb)); } #endif /* FDT */ diff --git a/sys/arm/arm/machdep_boot.c b/sys/arm/arm/machdep_boot.c index e2416f86ad23..8a6c63af3c92 100644 --- a/sys/arm/arm/machdep_boot.c +++ b/sys/arm/arm/machdep_boot.c @@ -1,498 +1,391 @@ /*- * Copyright (c) 2004 Olivier Houchard * Copyright (c) 1994-1998 Mark Brinicombe. * Copyright (c) 1994 Brini. * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 "opt_platform.h" #include "opt_ddb.h" #include #include #include #include #include #include #include #if defined(LINUX_BOOT_ABI) #include #endif #include #include #include #include #include /* For KERNVIRTADDR */ #ifdef FDT #include #include #endif #ifdef EFI #include #endif #ifdef DDB #include #endif #ifdef DEBUG #define debugf(fmt, args...) printf(fmt, ##args) #else #define debugf(fmt, args...) #endif #ifdef LINUX_BOOT_ABI static char static_kenv[4096]; #endif extern int *end; static uint32_t board_revision; /* hex representation of uint64_t */ static char board_serial[32]; static char *loader_envp; #if defined(LINUX_BOOT_ABI) #define LBABI_MAX_BANKS 10 #define CMDLINE_GUARD "FreeBSD:" static uint32_t board_id; static struct arm_lbabi_tag *atag_list; static char linux_command_line[LBABI_MAX_COMMAND_LINE + 1]; static char atags[LBABI_MAX_COMMAND_LINE * 2]; #endif /* defined(LINUX_BOOT_ABI) */ SYSCTL_NODE(_hw, OID_AUTO, board, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Board attributes"); SYSCTL_UINT(_hw_board, OID_AUTO, revision, CTLFLAG_RD, &board_revision, 0, "Board revision"); SYSCTL_STRING(_hw_board, OID_AUTO, serial, CTLFLAG_RD, board_serial, 0, "Board serial"); int vfp_exists; SYSCTL_INT(_hw, HW_FLOATINGPT, floatingpoint, CTLFLAG_RD, &vfp_exists, 0, "Floating point support enabled"); void board_set_serial(uint64_t serial) { snprintf(board_serial, sizeof(board_serial)-1, "%016jx", serial); } void board_set_revision(uint32_t revision) { board_revision = revision; } static char * kenv_next(char *cp) { if (cp != NULL) { while (*cp != 0) cp++; cp++; if (*cp == 0) cp = NULL; } return (cp); } void arm_print_kenv(void) { char *cp; debugf("loader passed (static) kenv:\n"); if (loader_envp == NULL) { debugf(" no env, null ptr\n"); return; } debugf(" loader_envp = 0x%08x\n", (uint32_t)loader_envp); for (cp = loader_envp; cp != NULL; cp = kenv_next(cp)) debugf(" %x %s\n", (uint32_t)cp, cp); } #if defined(LINUX_BOOT_ABI) /* Convert the U-Boot command line into FreeBSD kenv and boot options. */ static void cmdline_set_env(char *cmdline, const char *guard) { size_t guard_len; /* Skip leading spaces. */ while (isspace(*cmdline)) cmdline++; /* Test and remove guard. */ if (guard != NULL && guard[0] != '\0') { guard_len = strlen(guard); if (strncasecmp(cmdline, guard, guard_len) != 0) return; cmdline += guard_len; } boothowto |= boot_parse_cmdline(cmdline); } /* * Called for armv6 and newer. */ void arm_parse_fdt_bootargs(void) { #ifdef FDT if (loader_envp == NULL && fdt_get_chosen_bootargs(linux_command_line, LBABI_MAX_COMMAND_LINE) == 0) { init_static_kenv(static_kenv, sizeof(static_kenv)); cmdline_set_env(linux_command_line, CMDLINE_GUARD); } #endif } /* * Called for armv[45]. */ static vm_offset_t linux_parse_boot_param(struct arm_boot_params *abp) { struct arm_lbabi_tag *walker; uint32_t revision; uint64_t serial; int size; vm_offset_t lastaddr; #ifdef FDT struct fdt_header *dtb_ptr; uint32_t dtb_size; #endif /* * Linux boot ABI: r0 = 0, r1 is the board type (!= 0) and r2 * is atags or dtb pointer. If all of these aren't satisfied, * then punt. Unfortunately, it looks like DT enabled kernels * doesn't uses board type and U-Boot delivers 0 in r1 for them. */ if (abp->abp_r0 != 0 || abp->abp_r2 == 0) return (0); #ifdef FDT /* Test if r2 point to valid DTB. */ dtb_ptr = (struct fdt_header *)abp->abp_r2; if (fdt_check_header(dtb_ptr) == 0) { dtb_size = fdt_totalsize(dtb_ptr); return (fake_preload_metadata(abp, dtb_ptr, dtb_size)); } #endif board_id = abp->abp_r1; walker = (struct arm_lbabi_tag *)abp->abp_r2; if (ATAG_TAG(walker) != ATAG_CORE) return 0; atag_list = walker; while (ATAG_TAG(walker) != ATAG_NONE) { switch (ATAG_TAG(walker)) { case ATAG_CORE: break; case ATAG_MEM: physmem_hardware_region(walker->u.tag_mem.start, walker->u.tag_mem.size); break; case ATAG_INITRD2: break; case ATAG_SERIAL: serial = walker->u.tag_sn.high; serial <<= 32; serial |= walker->u.tag_sn.low; board_set_serial(serial); break; case ATAG_REVISION: revision = walker->u.tag_rev.rev; board_set_revision(revision); break; case ATAG_CMDLINE: size = ATAG_SIZE(walker) - sizeof(struct arm_lbabi_header); size = min(size, LBABI_MAX_COMMAND_LINE); strncpy(linux_command_line, walker->u.tag_cmd.command, size); linux_command_line[size] = '\0'; break; default: break; } walker = ATAG_NEXT(walker); } /* Save a copy for later */ bcopy(atag_list, atags, (char *)walker - (char *)atag_list + ATAG_SIZE(walker)); lastaddr = fake_preload_metadata(abp, NULL, 0); init_static_kenv(static_kenv, sizeof(static_kenv)); cmdline_set_env(linux_command_line, CMDLINE_GUARD); return lastaddr; } #endif #if defined(FREEBSD_BOOT_LOADER) static vm_offset_t freebsd_parse_boot_param(struct arm_boot_params *abp) { vm_offset_t lastaddr = 0; void *mdp; #ifdef DDB vm_offset_t ksym_start; vm_offset_t ksym_end; #endif /* * Mask metadata pointer: it is supposed to be on page boundary. If * the first argument (mdp) doesn't point to a valid address the * bootloader must have passed us something else than the metadata * ptr, so we give up. Also give up if we cannot find metadta section * the loader creates that we get all this data out of. */ if ((mdp = (void *)(abp->abp_r0 & ~PAGE_MASK)) == NULL) return 0; preload_metadata = mdp; /* Initialize preload_kmdp */ preload_initkmdp(false); if (preload_kmdp == NULL) return 0; boothowto = MD_FETCH(preload_kmdp, MODINFOMD_HOWTO, int); loader_envp = MD_FETCH(preload_kmdp, MODINFOMD_ENVP, char *); init_static_kenv(loader_envp, 0); lastaddr = MD_FETCH(preload_kmdp, MODINFOMD_KERNEND, vm_offset_t); #ifdef DDB ksym_start = MD_FETCH(preload_kmdp, MODINFOMD_SSYM, uintptr_t); ksym_end = MD_FETCH(preload_kmdp, MODINFOMD_ESYM, uintptr_t); db_fetch_ksymtab(ksym_start, ksym_end, 0); #endif return lastaddr; } #endif vm_offset_t default_parse_boot_param(struct arm_boot_params *abp) { vm_offset_t lastaddr; #if defined(LINUX_BOOT_ABI) if ((lastaddr = linux_parse_boot_param(abp)) != 0) return lastaddr; #endif #if defined(FREEBSD_BOOT_LOADER) if ((lastaddr = freebsd_parse_boot_param(abp)) != 0) return lastaddr; #endif /* Fall back to hardcoded metadata. */ lastaddr = fake_preload_metadata(abp, NULL, 0); return lastaddr; } /* * Stub version of the boot parameter parsing routine. We are * called early in initarm, before even VM has been initialized. * This routine needs to preserve any data that the boot loader * has passed in before the kernel starts to grow past the end * of the BSS, traditionally the place boot-loaders put this data. * * Since this is called so early, things that depend on the vm system * being setup (including access to some SoC's serial ports), about * all that can be done in this routine is to copy the arguments. * * This is the default boot parameter parsing routine. Individual * kernels/boards can override this weak function with one of their * own. We just fake metadata... */ __weak_reference(default_parse_boot_param, parse_boot_param); /* * Fake up a boot descriptor table */ vm_offset_t fake_preload_metadata(struct arm_boot_params *abp __unused, void *dtb_ptr, size_t dtb_size) { vm_offset_t lastaddr; int i = 0; static uint32_t fake_preload[35]; lastaddr = (vm_offset_t)&end; fake_preload[i++] = MODINFO_NAME; fake_preload[i++] = strlen("kernel") + 1; strcpy((char *)&fake_preload[i++], "kernel"); i += 1; fake_preload[i++] = MODINFO_TYPE; fake_preload[i++] = strlen(preload_kerntype) + 1; strcpy((char *)&fake_preload[i], preload_kerntype); i += howmany(fake_preload[i - 1], sizeof(uint32_t)); fake_preload[i++] = MODINFO_ADDR; fake_preload[i++] = sizeof(vm_offset_t); fake_preload[i++] = KERNVIRTADDR; fake_preload[i++] = MODINFO_SIZE; fake_preload[i++] = sizeof(uint32_t); fake_preload[i++] = (uint32_t)&end - KERNVIRTADDR; if (dtb_ptr != NULL) { /* Copy DTB to KVA space and insert it into module chain. */ lastaddr = roundup(lastaddr, sizeof(int)); fake_preload[i++] = MODINFO_METADATA | MODINFOMD_DTBP; fake_preload[i++] = sizeof(uint32_t); fake_preload[i++] = (uint32_t)lastaddr; memmove((void *)lastaddr, dtb_ptr, dtb_size); lastaddr += dtb_size; lastaddr = roundup(lastaddr, sizeof(int)); } fake_preload[i++] = 0; fake_preload[i] = 0; preload_metadata = (void *)fake_preload; /* Initialize preload_kmdp */ preload_initkmdp(true); init_static_kenv(NULL, 0); return (lastaddr); } - -#ifdef EFI -void -arm_add_efi_map_entries(struct efi_map_header *efihdr, struct mem_region *mr, - int *mrcnt) -{ - struct efi_md *map, *p; - const char *type; - size_t efisz; - int ndesc, i, j; - - static const char *types[] = { - "Reserved", - "LoaderCode", - "LoaderData", - "BootServicesCode", - "BootServicesData", - "RuntimeServicesCode", - "RuntimeServicesData", - "ConventionalMemory", - "UnusableMemory", - "ACPIReclaimMemory", - "ACPIMemoryNVS", - "MemoryMappedIO", - "MemoryMappedIOPortSpace", - "PalCode", - "PersistentMemory" - }; - - *mrcnt = 0; - - /* - * Memory map data provided by UEFI via the GetMemoryMap - * Boot Services API. - */ - efisz = roundup2(sizeof(struct efi_map_header), 0x10); - map = (struct efi_md *)((uint8_t *)efihdr + efisz); - - if (efihdr->descriptor_size == 0) - return; - ndesc = efihdr->memory_size / efihdr->descriptor_size; - - if (boothowto & RB_VERBOSE) - printf("%23s %12s %12s %8s %4s\n", - "Type", "Physical", "Virtual", "#Pages", "Attr"); - - for (i = 0, j = 0, p = map; i < ndesc; i++, - p = efi_next_descriptor(p, efihdr->descriptor_size)) { - if (boothowto & RB_VERBOSE) { - if (p->md_type < nitems(types)) - type = types[p->md_type]; - else - type = ""; - printf("%23s %012llx %012llx %08llx ", type, p->md_phys, - p->md_virt, p->md_pages); - if (p->md_attr & EFI_MD_ATTR_UC) - printf("UC "); - if (p->md_attr & EFI_MD_ATTR_WC) - printf("WC "); - if (p->md_attr & EFI_MD_ATTR_WT) - printf("WT "); - if (p->md_attr & EFI_MD_ATTR_WB) - printf("WB "); - if (p->md_attr & EFI_MD_ATTR_UCE) - printf("UCE "); - if (p->md_attr & EFI_MD_ATTR_WP) - printf("WP "); - if (p->md_attr & EFI_MD_ATTR_RP) - printf("RP "); - if (p->md_attr & EFI_MD_ATTR_XP) - printf("XP "); - if (p->md_attr & EFI_MD_ATTR_NV) - printf("NV "); - if (p->md_attr & EFI_MD_ATTR_MORE_RELIABLE) - printf("MORE_RELIABLE "); - if (p->md_attr & EFI_MD_ATTR_RO) - printf("RO "); - if (p->md_attr & EFI_MD_ATTR_RT) - printf("RUNTIME"); - printf("\n"); - } - - switch (p->md_type) { - case EFI_MD_TYPE_CODE: - case EFI_MD_TYPE_DATA: - case EFI_MD_TYPE_BS_CODE: - case EFI_MD_TYPE_BS_DATA: - case EFI_MD_TYPE_FREE: - /* - * We're allowed to use any entry with these types. - */ - break; - default: - continue; - } - - j++; - if (j >= FDT_MEM_REGIONS) - break; - - mr[j].mr_start = p->md_phys; - mr[j].mr_size = p->md_pages * EFI_PAGE_SIZE; - } - - *mrcnt = j; -} -#endif /* EFI */ diff --git a/sys/conf/files.arm b/sys/conf/files.arm index 5ada97ccad30..0188dda87c96 100644 --- a/sys/conf/files.arm +++ b/sys/conf/files.arm @@ -1,160 +1,161 @@ 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/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_arm.S optional inet | inet6 arm/arm/in_cksum_machdep.c 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/sdt_machdep.c optional kdtrace_hooks 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 "${NORMAL_C:N-Wmissing-prototypes}" arm/arm/support.S standard arm/arm/swtch.S standard arm/arm/swtch-v6.S standard arm/arm/sys_machdep.c standard arm/arm/syscall.c standard arm/arm/trap-v6.c standard arm/arm/uio_machdep.c standard arm/arm/undefined.c standard arm/arm/unwind.c optional ddb | kdtrace_hooks | stack arm/arm/vm_machdep.c standard arm/arm/vfp.c optional vfp cddl/dev/dtrace/arm/dtrace_asm.S optional dtrace compile-with "${DTRACE_S}" cddl/dev/dtrace/arm/dtrace_isa.c optional dtrace compile-with "${DTRACE_C}" cddl/dev/dtrace/arm/dtrace_subr.c optional dtrace compile-with "${DTRACE_C}" cddl/dev/fbt/arm/fbt_isa.c optional dtrace_fbt | dtraceall compile-with "${FBT_C}" # zfs sha2 hash support contrib/openzfs/module/icp/asm-arm/sha2/sha256-armv7.S optional zfs compile-with "${ZFS_S}" contrib/openzfs/module/icp/asm-arm/sha2/sha512-armv7.S optional zfs compile-with "${ZFS_S}" crypto/des/des_enc.c optional netsmb dev/cpufreq/cpufreq_dt.c optional cpufreq fdt dev/fb/fb.c optional sc dev/fdt/fdt_arm_platform.c optional platform fdt dev/video/crtc_if.m optional vt dev/hwpmc/hwpmc_arm.c optional hwpmc dev/hwpmc/hwpmc_armv7.c optional hwpmc dev/iicbus/controller/twsi/twsi.c optional twsi dev/ofw/ofw_pcib.c optional fdt pci dev/pci/pci_host_generic.c optional pci_host_generic pci dev/pci/pci_host_generic_fdt.c optional pci_host_generic pci fdt dev/psci/psci.c optional psci dev/psci/smccc_arm.S optional psci dev/syscons/scgfbrndr.c optional sc dev/uart/uart_cpu_fdt.c optional uart fdt dev/usb/controller/dwc3/dwc3.c optional fdt dwc3 dev/usb/controller/generic_xhci.c optional xhci dev/usb/controller/generic_xhci_fdt.c optional xhci fdt kern/msi_if.m optional intrng kern/pic_if.m optional intrng kern/subr_busdma_bufalloc.c standard kern/subr_devmap.c standard +kern/subr_efi_map.c optional efi kern/subr_physmem.c standard kern/subr_sfbuf.c standard libkern/arm/aeabi_unwind.c standard libkern/arm/divsi3.S standard libkern/arm/ldivmod.S standard libkern/arm/ldivmod_helper.c standard libkern/arm/memclr.S standard libkern/arm/memcpy.S standard libkern/arm/memset.S standard libkern/arm/muldi3.c standard libkern/ashldi3.c standard libkern/ashrdi3.c standard libkern/divdi3.c standard libkern/lshrdi3.c standard libkern/moddi3.c standard libkern/qdivrem.c standard libkern/strcmp.c standard libkern/strlen.c standard libkern/strncmp.c standard libkern/ucmpdi2.c standard libkern/udivdi3.c standard libkern/umoddi3.c standard crypto/openssl/ossl_arm.c optional ossl crypto/openssl/arm/ossl_aes_gcm.c optional ossl crypto/openssl/arm/aes-armv4.S optional ossl \ compile-with "${NORMAL_C} -I${SRCTOP}/sys/crypto/openssl" crypto/openssl/arm/bsaes-armv7.S optional ossl \ compile-with "${CC} -D__KERNEL__ -c ${CFLAGS:N-mgeneral-regs-only} -I${SRCTOP}/sys/crypto/openssl ${WERROR} ${.IMPSRC}" crypto/openssl/arm/chacha-armv4.S optional ossl \ compile-with "${NORMAL_C} -I${SRCTOP}/sys/crypto/openssl" crypto/openssl/arm/ghash-armv4.S optional ossl \ compile-with "${NORMAL_C} -I${SRCTOP}/sys/crypto/openssl" crypto/openssl/arm/poly1305-armv4.S optional ossl \ compile-with "${NORMAL_C} -I${SRCTOP}/sys/crypto/openssl" crypto/openssl/arm/sha1-armv4-large.S optional ossl \ compile-with "${NORMAL_C} -I${SRCTOP}/sys/crypto/openssl" crypto/openssl/arm/sha256-armv4.S optional ossl \ compile-with "${NORMAL_C} -I${SRCTOP}/sys/crypto/openssl" crypto/openssl/arm/sha512-armv4.S optional ossl \ compile-with "${NORMAL_C} -I${SRCTOP}/sys/crypto/openssl" # Annapurna support arm/annapurna/alpine/alpine_ccu.c optional al_ccu fdt arm/annapurna/alpine/alpine_nb_service.c optional al_nb_service fdt arm/annapurna/alpine/alpine_pci.c optional al_pci fdt arm/annapurna/alpine/alpine_pci_msix.c optional al_pci fdt arm/annapurna/alpine/alpine_serdes.c optional al_serdes fdt \ no-depend \ compile-with "${CC} -c -o ${.TARGET} ${CFLAGS} -I$S/contrib/alpine-hal -I$S/contrib/alpine-hal/eth ${.IMPSRC}" diff --git a/sys/kern/subr_efi_map.c b/sys/kern/subr_efi_map.c index 29a94858f6c1..4085d7f1cdb9 100644 --- a/sys/kern/subr_efi_map.c +++ b/sys/kern/subr_efi_map.c @@ -1,178 +1,178 @@ /* * Copyright (c) 2014 The FreeBSD Foundation * Copyright (c) 2018 Andrew Turner * * SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include #include #include #include void efi_map_foreach_entry(struct efi_map_header *efihdr, efi_map_entry_cb cb, void *argp) { struct efi_md *map, *p; size_t efisz; int ndesc, i; /* * Memory map data provided by UEFI via the GetMemoryMap * Boot Services API. */ efisz = (sizeof(struct efi_map_header) + 0xf) & ~0xf; map = (struct efi_md *)((uint8_t *)efihdr + efisz); if (efihdr->descriptor_size == 0) return; ndesc = efihdr->memory_size / efihdr->descriptor_size; for (i = 0, p = map; i < ndesc; i++, p = efi_next_descriptor(p, efihdr->descriptor_size)) { cb(p, argp); } } /* * Handle the EFI memory map list. * * We will make two passes at this, the first (exclude == false) to populate * physmem with valid physical memory ranges from recognized map entry types. * In the second pass we will exclude memory ranges from physmem which must not * be used for general allocations, either because they are used by runtime * firmware or otherwise reserved. * * Adding the runtime-reserved memory ranges to physmem and excluding them * later ensures that they are included in the DMAP, but excluded from * phys_avail[]. * * Entry types not explicitly listed here are ignored and not mapped. */ static void handle_efi_map_entry(struct efi_md *p, void *argp) { bool exclude = *(bool *)argp; switch (p->md_type) { case EFI_MD_TYPE_RECLAIM: /* * The recomended location for ACPI tables. Map into the * DMAP so we can access them from userspace via /dev/mem. */ case EFI_MD_TYPE_RT_CODE: /* * Some UEFI implementations put the system table in the * runtime code section. Include it in the DMAP, but will * be excluded from phys_avail. */ case EFI_MD_TYPE_RT_DATA: /* * Runtime data will be excluded after the DMAP * region is created to stop it from being added * to phys_avail. */ if (exclude) { physmem_exclude_region(p->md_phys, p->md_pages * EFI_PAGE_SIZE, EXFLAG_NOALLOC); break; } /* FALLTHROUGH */ case EFI_MD_TYPE_CODE: case EFI_MD_TYPE_DATA: case EFI_MD_TYPE_BS_CODE: case EFI_MD_TYPE_BS_DATA: case EFI_MD_TYPE_FREE: /* * We're allowed to use any entry with these types. */ if (!exclude) physmem_hardware_region(p->md_phys, p->md_pages * EFI_PAGE_SIZE); break; default: /* Other types shall not be handled by physmem. */ break; } } void efi_map_add_entries(struct efi_map_header *efihdr) { bool exclude = false; efi_map_foreach_entry(efihdr, handle_efi_map_entry, &exclude); } void efi_map_exclude_entries(struct efi_map_header *efihdr) { bool exclude = true; efi_map_foreach_entry(efihdr, handle_efi_map_entry, &exclude); } static void print_efi_map_entry(struct efi_md *p, void *argp __unused) { const char *type; static const char *types[] = { "Reserved", "LoaderCode", "LoaderData", "BootServicesCode", "BootServicesData", "RuntimeServicesCode", "RuntimeServicesData", "ConventionalMemory", "UnusableMemory", "ACPIReclaimMemory", "ACPIMemoryNVS", "MemoryMappedIO", "MemoryMappedIOPortSpace", "PalCode", "PersistentMemory" }; if (p->md_type < nitems(types)) type = types[p->md_type]; else type = ""; - printf("%23s %012lx %012lx %08lx ", type, p->md_phys, - p->md_virt, p->md_pages); + printf("%23s %012jx %012jx %08jx ", type, (uintmax_t)p->md_phys, + (uintmax_t)p->md_virt, (uintmax_t)p->md_pages); if (p->md_attr & EFI_MD_ATTR_UC) printf("UC "); if (p->md_attr & EFI_MD_ATTR_WC) printf("WC "); if (p->md_attr & EFI_MD_ATTR_WT) printf("WT "); if (p->md_attr & EFI_MD_ATTR_WB) printf("WB "); if (p->md_attr & EFI_MD_ATTR_UCE) printf("UCE "); if (p->md_attr & EFI_MD_ATTR_WP) printf("WP "); if (p->md_attr & EFI_MD_ATTR_RP) printf("RP "); if (p->md_attr & EFI_MD_ATTR_XP) printf("XP "); if (p->md_attr & EFI_MD_ATTR_NV) printf("NV "); if (p->md_attr & EFI_MD_ATTR_MORE_RELIABLE) printf("MORE_RELIABLE "); if (p->md_attr & EFI_MD_ATTR_RO) printf("RO "); if (p->md_attr & EFI_MD_ATTR_RT) printf("RUNTIME"); printf("\n"); } void efi_map_print_entries(struct efi_map_header *efihdr) { printf("%23s %12s %12s %8s %4s\n", "Type", "Physical", "Virtual", "#Pages", "Attr"); efi_map_foreach_entry(efihdr, print_efi_map_entry, NULL); }