? sys/arch/cats/conf/SMALL ? sys/arch/cats/include/netbsd32_machdep.h Index: sys/arch/cats/cats/cats_machdep.c =================================================================== RCS file: /cvsroot/src/sys/arch/cats/cats/cats_machdep.c,v retrieving revision 1.78 diff -u -p -u -r1.78 cats_machdep.c --- sys/arch/cats/cats/cats_machdep.c 2 Apr 2014 11:36:50 -0000 1.78 +++ sys/arch/cats/cats/cats_machdep.c 2 Apr 2014 16:11:34 -0000 @@ -74,6 +74,8 @@ __KERNEL_RCSID(0, "$NetBSD: cats_machdep #include #include #include + +#include #include #include @@ -116,30 +118,11 @@ static char bootargs[MAX_BOOT_STRING + 1 char *boot_args = NULL; char *boot_file = NULL; -vm_offset_t physical_start; -vm_offset_t physical_freestart; -vm_offset_t physical_freeend; -vm_offset_t physical_end; -u_int free_pages; -vm_offset_t pagetables_start; - -vm_offset_t msgbufphys; #ifdef PMAP_DEBUG extern int pmap_debug_level; #endif -#define KERNEL_PT_SYS 0 /* L2 table for mapping zero page */ -#define KERNEL_PT_KERNEL 1 /* L2 table for mapping kernel */ -#define KERNEL_PT_KERNEL_NUM 2 - -/* now this could move into something more generic */ - /* L2 tables for mapping kernel VM */ -#define KERNEL_PT_VMDATA (KERNEL_PT_KERNEL + KERNEL_PT_KERNEL_NUM) -#define KERNEL_PT_VMDATA_NUM 4 /* 16MB kernel VM !*/ -#define NUM_KERNEL_PTS (KERNEL_PT_VMDATA + KERNEL_PT_VMDATA_NUM) - -pv_addr_t kernel_pt_table[NUM_KERNEL_PTS]; /* Prototypes */ @@ -190,88 +173,7 @@ extern void configure(void); int comcnspeed = CONSPEED; int comcnmode = CONMODE; - -/* - * void cpu_reboot(int howto, char *bootstr) - * - * Reboots the system - * - * Deal with any syncing, unmounting, dumping and shutdown hooks, - * then reset the CPU. - */ - -void -cpu_reboot(int howto, char *bootstr) -{ -#ifdef DIAGNOSTIC - /* info */ - printf("boot: howto=%08x curlwp=%p\n", howto, curlwp); -#endif - - /* - * If we are still cold then hit the air brakes - * and crash to earth fast - */ - if (cold) { - doshutdownhooks(); - pmf_system_shutdown(boothowto); - printf("The operating system has halted.\n"); - printf("Please press any key to reboot.\n\n"); - cngetc(); - printf("rebooting...\n"); - cpu_reset(); - /*NOTREACHED*/ - } - - /* Disable console buffering */ -/* cnpollc(1);*/ - - /* - * If RB_NOSYNC was not specified sync the discs. - * Note: Unless cold is set to 1 here, syslogd will die during the unmount. - * It looks like syslogd is getting woken up only to find that it cannot - * page part of the binary in as the filesystem has been unmounted. - */ - if (!(howto & RB_NOSYNC)) - bootsync(); - - /* Say NO to interrupts */ - splhigh(); - - /* Do a dump if requested. */ - if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP) - dumpsys(); - - /* Run any shutdown hooks */ - doshutdownhooks(); - - pmf_system_shutdown(boothowto); - - /* Make sure IRQ's are disabled */ - IRQdisable; - - if (howto & RB_HALT) { - printf("The operating system has halted.\n"); - printf("Please press any key to reboot.\n\n"); - cngetc(); - } - - printf("rebooting...\n"); - cpu_reset(); - /*NOTREACHED*/ -} - -/* - * Mapping table for core kernel memory. This memory is mapped at init - * time with section mappings. - */ -struct l1_sec_map { - vm_offset_t va; - vm_offset_t pa; - vm_size_t size; - vm_prot_t prot; - int cache; -} l1_sec_table[] = { +static const struct pmap_devmap cats_devmap[] = { /* Map 1MB for CSR space */ { DC21285_ARMCSR_VBASE, DC21285_ARMCSR_BASE, DC21285_ARMCSR_VSIZE, VM_PROT_READ|VM_PROT_WRITE, @@ -310,6 +212,14 @@ struct l1_sec_map { { 0, 0, 0, 0, 0 } }; +#define MAX_PHYSMEM 4 +static struct boot_physmem cats_physmem[MAX_PHYSMEM]; +int ncats_physmem = 0; + +extern struct bus_space footbridge_pci_io_bs_tag; +extern struct bus_space footbridge_pci_mem_bs_tag; +void footbridge_pci_bs_tag_init(void); + /* * u_int initarm(struct ebsaboot *bootinfo) * @@ -328,9 +238,6 @@ u_int initarm(void *arm_bootargs) { struct ebsaboot *bootinfo = arm_bootargs; - int loop; - int loop1; - u_int l1pagetable; extern u_int cpu_get_control(void); /* @@ -358,8 +265,10 @@ initarm(void *arm_bootargs) * Once all the memory map changes are complete we can call consinit() * and not have to worry about things moving. */ + pmap_devmap_bootstrap((vaddr_t)ebsabootinfo.bt_l1, cats_devmap); + #ifdef FCOM_INIT_ARM - fcomcnattach(DC21285_ARMCSR_BASE, comcnspeed, comcnmode); + fcomcnattach(DC21285_ARMCSR_VBASE, comcnspeed, comcnmode); #endif /* Talk to the user */ @@ -387,37 +296,6 @@ initarm(void *arm_bootargs) printf("bt_vers = 0x%08x\n", ebsabootinfo.bt_vers); printf("bt_features = 0x%08x\n", ebsabootinfo.bt_features); #endif -/* { - int loop; - for (loop = 0; loop < 8; ++loop) { - printf("%08x\n", *(((int *)bootinfo)+loop)); - } - }*/ - - /* - * Ok we have the following memory map - * - * virtual address == physical address apart from the areas: - * 0x00000000 -> 0x000fffff which is mapped to - * top 1MB of physical memory - * 0x00100000 -> 0x0fffffff which is mapped to - * physical addresses 0x00100000 -> 0x0fffffff - * 0x10000000 -> 0x1fffffff which is mapped to - * physical addresses 0x00000000 -> 0x0fffffff - * 0x20000000 -> 0xefffffff which is mapped to - * physical addresses 0x20000000 -> 0xefffffff - * 0xf0000000 -> 0xf03fffff which is mapped to - * physical addresses 0x00000000 -> 0x003fffff - * - * This means that the kernel is mapped suitably for continuing - * execution, all I/O is mapped 1:1 virtual to physical and - * physical memory is accessible. - * - * The initarm() has the responsibility for creating the kernel - * page tables. - * It must also set up various memory pointers that are used - * by pmap etc. - */ /* * Examine the boot args string for options we need to know about @@ -425,186 +303,17 @@ initarm(void *arm_bootargs) */ process_kernel_args(ebsabootinfo.bt_args); - printf("initarm: Configuring system ...\n"); + arm32_bootmem_init(ebsabootinfo.bt_memstart, + ebsabootinfo.bt_memend - ebsabootinfo.bt_memstart, + ebsabootinfo.bt_memstart); - /* - * Set up the variables that define the availablilty of - * physical memory - */ - physical_start = ebsabootinfo.bt_memstart; - physical_freestart = physical_start; - physical_end = ebsabootinfo.bt_memend; - physical_freeend = physical_end; - free_pages = (physical_end - physical_start) / PAGE_SIZE; - - physmem = (physical_end - physical_start) / PAGE_SIZE; - - /* Tell the user about the memory */ - printf("physmemory: %d pages at 0x%08lx -> 0x%08lx\n", physmem, - physical_start, physical_end - 1); - - /* - * Ok the kernel occupies the bottom of physical memory. - * The first free page after the kernel can be found in - * ebsabootinfo->bt_memavail - * We now need to allocate some fixed page tables to get the kernel - * going. - * We allocate one page directory and a number page tables and store - * the physical addresses in the kernel_pt_table array. - * - * Ok the next bit of physical allocation may look complex but it is - * simple really. I have done it like this so that no memory gets - * wasted during the allocation of various pages and tables that are - * all different sizes. - * The start addresses will be page aligned. - * We allocate the kernel page directory on the first free 16KB boundry - * we find. - * We allocate the kernel page tables on the first 4KB boundry we find. - * Since we allocate at least 3 L2 pagetables we know that we must - * encounter at least one 16KB aligned address. - */ + arm32_kernel_vm_init(KERNEL_VM_BASE, ARM_VECTORS_LOW, 0, cats_devmap, + false); -#ifdef VERBOSE_INIT_ARM - printf("Allocating page tables"); -#endif - - /* Update the address of the first free page of physical memory */ - physical_freestart = ebsabootinfo.bt_memavail; - free_pages -= (physical_freestart - physical_start) / PAGE_SIZE; - -#ifdef VERBOSE_INIT_ARM - printf(" above %p\n", (void *)physical_freestart); -#endif - /* Define a macro to simplify memory allocation */ -#define valloc_pages(var, np) \ - alloc_pages((var).pv_pa, (np)); \ - (var).pv_va = KERNEL_BASE + (var).pv_pa - physical_start; - -#define alloc_pages(var, np) \ - (var) = physical_freestart; \ - physical_freestart += ((np) * PAGE_SIZE);\ - free_pages -= (np); \ - memset((char *)(var), 0, ((np) * PAGE_SIZE)); - - loop1 = 0; - for (loop = 0; loop <= NUM_KERNEL_PTS; ++loop) { - /* Are we 16KB aligned for an L1 ? */ - if ((physical_freestart & (L1_TABLE_SIZE - 1)) == 0 - && kernel_l1pt.pv_pa == 0) { - valloc_pages(kernel_l1pt, L1_TABLE_SIZE / PAGE_SIZE); - } else { - valloc_pages(kernel_pt_table[loop1], - L2_TABLE_SIZE / PAGE_SIZE); - ++loop1; - } - } - -#ifdef DIAGNOSTIC - /* This should never be able to happen but better confirm that. */ - if (!kernel_l1pt.pv_pa || (kernel_l1pt.pv_pa & (L1_TABLE_SIZE-1)) != 0) - panic("initarm: Failed to align the kernel page directory"); -#endif - - /* - * Allocate a page for the system page mapped to V0x00000000 - * This page will just contain the system vectors and can be - * shared by all processes. - */ - alloc_pages(systempage.pv_pa, 1); - - /* Allocate stacks for all modes */ - valloc_pages(irqstack, IRQ_STACK_SIZE); - valloc_pages(abtstack, ABT_STACK_SIZE); - valloc_pages(undstack, UND_STACK_SIZE); - valloc_pages(kernelstack, UPAGES); - -#ifdef VERBOSE_INIT_ARM - printf("IRQ stack: p0x%08lx v0x%08lx\n", irqstack.pv_pa, irqstack.pv_va); - printf("ABT stack: p0x%08lx v0x%08lx\n", abtstack.pv_pa, abtstack.pv_va); - printf("UND stack: p0x%08lx v0x%08lx\n", undstack.pv_pa, undstack.pv_va); - printf("SVC stack: p0x%08lx v0x%08lx\n", kernelstack.pv_pa, kernelstack.pv_va); -#endif - - alloc_pages(msgbufphys, round_page(MSGBUFSIZE) / PAGE_SIZE); - - /* - * Ok we have allocated physical pages for the primary kernel - * page tables - */ - -#ifdef VERBOSE_INIT_ARM - printf("Creating L1 page table\n"); -#endif - - /* - * Now we start consturction of the L1 page table - * We start by mapping the L2 page tables into the L1. - * This means that we can replace L1 mappings later on if necessary - */ - l1pagetable = kernel_l1pt.pv_pa; - - /* Map the L2 pages tables in the L1 page table */ - pmap_link_l2pt(l1pagetable, 0x00000000, - &kernel_pt_table[KERNEL_PT_SYS]); - - for (loop = 0; loop < KERNEL_PT_KERNEL_NUM; loop++) - pmap_link_l2pt(l1pagetable, KERNEL_BASE + loop * 0x00400000, - &kernel_pt_table[KERNEL_PT_KERNEL + loop]); - - for (loop = 0; loop < KERNEL_PT_VMDATA_NUM; ++loop) - pmap_link_l2pt(l1pagetable, KERNEL_VM_BASE + loop * 0x00400000, - &kernel_pt_table[KERNEL_PT_VMDATA + loop]); - - /* update the top of the kernel VM */ - pmap_curmaxkvaddr = - KERNEL_VM_BASE + (KERNEL_PT_VMDATA_NUM * 0x00400000); - -#ifdef VERBOSE_INIT_ARM - printf("Mapping kernel\n"); -#endif - - /* Now we fill in the L2 pagetable for the kernel static code/data */ struct exec *kernexec = (struct exec *)KERNEL_TEXT_BASE; - if (N_GETMAGIC(kernexec[0]) != ZMAGIC) { - /* - * If it's not a.out, assume ELF. - */ - extern char etext[], _end[]; - size_t textsize = (uintptr_t) etext - KERNEL_BASE; - size_t totalsize = (uintptr_t) _end - KERNEL_BASE; - u_int logical; - - textsize = round_page(textsize); - totalsize = round_page(totalsize); - - logical = pmap_map_chunk(l1pagetable, KERNEL_BASE, - physical_start, textsize, - VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - - (void) pmap_map_chunk(l1pagetable, KERNEL_BASE + logical, - physical_start + logical, totalsize - textsize, - VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - } else { - extern int end; - u_int logical; - - logical = pmap_map_chunk(l1pagetable, KERNEL_TEXT_BASE, - physical_start, kernexec->a_text, - VM_PROT_READ, PTE_CACHE); - logical += pmap_map_chunk(l1pagetable, - KERNEL_TEXT_BASE + logical, - physical_start + logical, kernexec->a_data, - VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - logical += pmap_map_chunk(l1pagetable, - KERNEL_TEXT_BASE + logical, - physical_start + logical, kernexec->a_bss, - VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - logical += pmap_map_chunk(l1pagetable, - KERNEL_TEXT_BASE + logical, - physical_start + logical, kernexec->a_syms + sizeof(int) - + *(u_int *)((int)&end + kernexec->a_syms + sizeof(int)), - VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - } + bool isaout = (N_GETMAGIC(kernexec[0]) == ZMAGIC); + + printf("init subsystems: patch "); /* * PATCH PATCH ... @@ -811,9 +520,11 @@ initarm(void *arm_bootargs) printf(" ISADMA 0x%lx -> 0x%lx\n", istart, istart + isize - 1); #endif - uvm_page_physload(atop(istart), - atop(istart + isize), atop(istart), - atop(istart + isize), VM_FREELIST_ISADMA); + bp = &cats_physmem[ncats_physmem++]; + KASSERT(ncats_physmem < MAX_PHYSMEM); + bp->bp_start = atop(istart); + bp->bp_pages = atop(isize); + bp->bp_freelist = VM_FREELIST_ISADMA; /* * Load the pieces that come before the @@ -824,9 +535,11 @@ initarm(void *arm_bootargs) printf(" BEFORE 0x%lx -> 0x%lx\n", start, istart - 1); #endif - uvm_page_physload(atop(start), - atop(istart), atop(start), - atop(istart), VM_FREELIST_DEFAULT); + bp = &cats_physmem[ncats_physmem++]; + KASSERT(ncats_physmem < MAX_PHYSMEM); + bp->bp_start = atop(start); + bp->bp_pages = atop(istart - start); + bp->bp_freelist = VM_FREELIST_DEFAULT; } /* @@ -838,50 +551,57 @@ initarm(void *arm_bootargs) printf(" AFTER 0x%lx -> 0x%lx\n", (istart + isize), end - 1); #endif - uvm_page_physload(atop(istart + isize), - atop(end), atop(istart + isize), - atop(end), VM_FREELIST_DEFAULT); + bp = &cats_physmem[ncats_physmem++]; + KASSERT(ncats_physmem < MAX_PHYSMEM); + bp->bp_start = atop(istart + isize); + bp->bp_pages = atop(end - (istart + isize)); + bp->bp_freelist = VM_FREELIST_DEFAULT; } } else { - uvm_page_physload(atop(start), atop(end), - atop(start), atop(end), VM_FREELIST_DEFAULT); + bp = &cats_physmem[ncats_physmem++]; + KASSERT(ncats_physmem < MAX_PHYSMEM); + bp->bp_start = atop(start); + bp->bp_pages = atop(end - start); + bp->bp_freelist = VM_FREELIST_DEFAULT; } #else /* NISADMA > 0 */ - uvm_page_physload(atop(start), atop(end), - atop(start), atop(end), VM_FREELIST_DEFAULT); + bp = &cats_physmem[ncats_physmem++]; + KASSERT(ncats_physmem < MAX_PHYSMEM); + bp->bp_start = atop(start); + bp->bp_pages = atop(end - start); + bp->bp_freelist = VM_FREELIST_DEFAULT; #endif /* NISADMA > 0 */ } - /* Boot strap pmap telling it where the kernel page table is */ - printf("pmap "); - pmap_bootstrap(KERNEL_VM_BASE, KERNEL_VM_BASE + KERNEL_VM_SIZE); - cpu_reset_address_paddr = DC21285_ROM_BASE; + /* initarm_common returns the new stack pointer address */ + u_int sp; + sp = initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, cats_physmem, + ncats_physmem); + /* Setup the IRQ system */ - printf("irq "); + printf("init subsystems: irq "); footbridge_intr_init(); printf("done.\n"); -#if NKSYMS || defined(DDB) || defined(MODULAR) -#ifndef __ELF__ /* XXX */ - { +#ifdef FCOM_INIT_ARM + fcomcndetach(); +#endif + if (isaout) { extern int end; - extern int *esym; + extern int esym[]; ksyms_addsyms_elf(*(int *)&end, ((int *)&end) + 1, esym); } -#endif /* __ELF__ */ -#endif -#ifdef DDB - db_machine_init(); - if (boothowto & RB_KDB) - Debugger(); -#endif + /* + * XXX this should only be done in main() but it useful to + * have output earlier ... + */ + consinit(); - /* We return the new stack pointer address */ - return(kernelstack.pv_va + USPACE_SVC_STACK_TOP); + return sp; } static void @@ -914,10 +634,6 @@ process_kernel_args(const char *loader_a parse_mi_bootargs(boot_args); } -extern struct bus_space footbridge_pci_io_bs_tag; -extern struct bus_space footbridge_pci_mem_bs_tag; -void footbridge_pci_bs_tag_init(void); - void consinit(void) { @@ -929,13 +645,6 @@ consinit(void) consinit_called = 1; -#if NISA > 0 - /* Initialise the ISA subsystem early ... */ - isa_footbridge_init(DC21285_PCI_IO_VBASE, DC21285_PCI_ISA_MEM_VBASE); -#endif - - footbridge_pci_bs_tag_init(); - get_bootconf_option(boot_args, "console", BOOTOPT_TYPE_STRING, &console); Index: sys/arch/cats/conf/files.cats =================================================================== RCS file: /cvsroot/src/sys/arch/cats/conf/files.cats,v retrieving revision 1.35 diff -u -p -u -r1.35 files.cats --- sys/arch/cats/conf/files.cats 20 Feb 2008 21:43:33 -0000 1.35 +++ sys/arch/cats/conf/files.cats 2 Apr 2014 16:11:35 -0000 @@ -6,6 +6,10 @@ maxpartitions 8 maxusers 2 8 64 +file arch/arm/arm32/arm32_boot.c +file arch/arm/arm32/arm32_kvminit.c +file arch/arm/arm32/arm32_reboot.c + # Maintain Interrupt statistics defflag IRQSTATS