diff --git a/sys/arm/include/param.h b/sys/arm/include/param.h --- a/sys/arm/include/param.h +++ b/sys/arm/include/param.h @@ -68,6 +68,8 @@ #define MAXMEMDOM 1 #endif +#define __HAVE_STATIC_DEVMAP + #define ALIGNBYTES _ALIGNBYTES #define ALIGN(p) _ALIGN(p) /* diff --git a/sys/arm64/arm64/machdep.c b/sys/arm64/arm64/machdep.c --- a/sys/arm64/arm64/machdep.c +++ b/sys/arm64/arm64/machdep.c @@ -38,7 +38,6 @@ #include #include #include -#include #include #include #include @@ -852,8 +851,6 @@ physmem_init_kernel_globals(); - devmap_bootstrap(); - valid = bus_probe(); cninit(); diff --git a/sys/kern/subr_devmap.c b/sys/kern/subr_devmap.c --- a/sys/kern/subr_devmap.c +++ b/sys/kern/subr_devmap.c @@ -41,6 +41,7 @@ #include #endif +#ifdef __HAVE_STATIC_DEVMAP #define DEVMAP_PADDR_NOTFOUND ((vm_paddr_t)(-1)) static const struct devmap_entry *devmap_table; @@ -55,12 +56,14 @@ #define AKVA_DEVMAP_MAX_ENTRIES 32 static struct devmap_entry akva_devmap_entries[AKVA_DEVMAP_MAX_ENTRIES]; static u_int akva_devmap_idx; +#endif static vm_offset_t akva_devmap_vaddr = DEVMAP_MAX_VADDR; #if defined(__aarch64__) || defined(__riscv) extern int early_boot; #endif +#ifdef __HAVE_STATIC_DEVMAP /* * Print the contents of the static mapping table using the provided printf-like * output function (which will be either printf or db_printf). @@ -139,7 +142,6 @@ devmap_register_table(akva_devmap_entries); /* Allocate virtual address space from the top of kva downwards. */ -#ifdef __arm__ /* * If the range being mapped is aligned and sized to 1MB boundaries then * also align the virtual address to the next-lower 1MB boundary so that @@ -147,9 +149,7 @@ */ if ((pa & L1_S_OFFSET) == 0 && (sz & L1_S_OFFSET) == 0) { akva_devmap_vaddr = trunc_1mpage(akva_devmap_vaddr - sz); - } else -#endif - { + } else { akva_devmap_vaddr = trunc_page(akva_devmap_vaddr - sz); } m = &akva_devmap_entries[akva_devmap_idx++]; @@ -187,12 +187,8 @@ return; for (pd = devmap_table; pd->pd_size != 0; ++pd) { -#if defined(__arm__) pmap_preboot_map_attr(pd->pd_pa, pd->pd_va, pd->pd_size, VM_PROT_READ | VM_PROT_WRITE, VM_MEMATTR_DEVICE); -#elif defined(__aarch64__) || defined(__riscv) - pmap_kenter_device(pd->pd_va, pd->pd_size, pd->pd_pa); -#endif } } @@ -237,6 +233,7 @@ return (DEVMAP_PADDR_NOTFOUND); } +#endif /* * Map a set of physical memory pages into the kernel virtual address space. @@ -253,11 +250,13 @@ pmap_mapdev(vm_paddr_t pa, vm_size_t size) { vm_offset_t va, offset; +#ifdef __HAVE_STATIC_DEVMAP void * rva; /* First look in the static mapping table. */ if ((rva = devmap_ptov(pa, size)) != NULL) return (rva); +#endif offset = pa & PAGE_MASK; pa = trunc_page(pa); @@ -292,11 +291,13 @@ pmap_mapdev_attr(vm_paddr_t pa, vm_size_t size, vm_memattr_t ma) { vm_offset_t va, offset; +#ifdef __HAVE_STATIC_DEVMAP void * rva; /* First look in the static mapping table. */ if ((rva = devmap_ptov(pa, size)) != NULL) return (rva); +#endif offset = pa & PAGE_MASK; pa = trunc_page(pa); @@ -333,9 +334,11 @@ { vm_offset_t offset, va; +#ifdef __HAVE_STATIC_DEVMAP /* Nothing to do if we find the mapping in the static table. */ if (devmap_vtop(p, size) != DEVMAP_PADDR_NOTFOUND) return; +#endif va = (vm_offset_t)p; offset = va & PAGE_MASK; @@ -347,6 +350,7 @@ } #ifdef DDB +#ifdef __HAVE_STATIC_DEVMAP #include DB_SHOW_COMMAND_FLAGS(devmap, db_show_devmap, DB_CMD_MEMSAFE) @@ -354,4 +358,5 @@ devmap_dump_table(db_printf); } +#endif #endif /* DDB */ diff --git a/sys/riscv/riscv/machdep.c b/sys/riscv/riscv/machdep.c --- a/sys/riscv/riscv/machdep.c +++ b/sys/riscv/riscv/machdep.c @@ -44,7 +44,6 @@ #include #include #include -#include #include #include #include @@ -157,8 +156,6 @@ printf("avail memory = %ju (%ju MB)\n", ptoa((uintmax_t)vm_free_count()), ptoa((uintmax_t)vm_free_count()) / (1024 * 1024)); - if (bootverbose) - devmap_print_table(); bufinit(); vm_pager_bufferinit(); @@ -636,9 +633,6 @@ physmem_init_kernel_globals(); - /* Establish static device mappings */ - devmap_bootstrap(); - cninit(); /* diff --git a/sys/sys/devmap.h b/sys/sys/devmap.h --- a/sys/sys/devmap.h +++ b/sys/sys/devmap.h @@ -33,6 +33,7 @@ #error "no user-serviceable parts inside" #endif +#ifdef __HAVE_STATIC_DEVMAP /* * This structure is used by MD code to describe static mappings of devices * which are established as part of bringing up the MMU early in the boot. @@ -78,5 +79,6 @@ /* Print the static mapping table; used for bootverbose output. */ void devmap_print_table(void); +#endif #endif /* !_SYS_DEVMAP_H_ */