Date: Tue, 6 Apr 2010 01:08:21 +0000 (UTC) From: Juli Mallett <jmallett@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r206232 - in user/jmallett/octeon/sys/mips: include mips Message-ID: <201004060108.o3618LGU099637@svn.freebsd.org>
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Author: jmallett Date: Tue Apr 6 01:08:21 2010 New Revision: 206232 URL: http://svn.freebsd.org/changeset/base/206232 Log: o) Add a UMA small allocator that uses XKPHYS for N64 kernels. o) Sort some defines. Modified: user/jmallett/octeon/sys/mips/include/vmparam.h user/jmallett/octeon/sys/mips/mips/vm_machdep.c Modified: user/jmallett/octeon/sys/mips/include/vmparam.h ============================================================================== --- user/jmallett/octeon/sys/mips/include/vmparam.h Tue Apr 6 01:06:52 2010 (r206231) +++ user/jmallett/octeon/sys/mips/include/vmparam.h Tue Apr 6 01:08:21 2010 (r206232) @@ -104,17 +104,18 @@ /* user/kernel map constants */ #define VM_MIN_ADDRESS ((vm_offset_t)0x00000000) +#define VM_MAX_ADDRESS ((vm_offset_t)(intptr_t)(int32_t)0xffffffff) + #define VM_MAXUSER_ADDRESS ((vm_offset_t)(intptr_t)(int32_t)0x80000000) #define VM_MAX_MMAP_ADDR VM_MAXUSER_ADDRESS -#define VM_MAX_ADDRESS ((vm_offset_t)(intptr_t)(int32_t)0x80000000) #ifndef VM_KERNEL_ALLOC_OFFSET #define VM_KERNEL_ALLOC_OFFSET ((vm_offset_t)0x00000000) #endif #define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)(intptr_t)(int32_t)0xC0000000) +#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)(intptr_t)(int32_t)0xFFFFC000) #define VM_KERNEL_WIRED_ADDR_END (VM_MIN_KERNEL_ADDRESS + VM_KERNEL_ALLOC_OFFSET) -#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)(intptr_t)(int32_t)0xFFFFC000) #if 0 #define KERNBASE (VM_MIN_KERNEL_ADDRESS) #else @@ -156,6 +157,11 @@ #define VM_INITIAL_PAGEIN 16 #endif +/* provide our own memory allocator for small uma allocations */ +#if defined(__mips_n64) +#define UMA_MD_SMALL_ALLOC +#endif + /* * max number of non-contig chunks of physical RAM you can have */ Modified: user/jmallett/octeon/sys/mips/mips/vm_machdep.c ============================================================================== --- user/jmallett/octeon/sys/mips/mips/vm_machdep.c Tue Apr 6 01:06:52 2010 (r206231) +++ user/jmallett/octeon/sys/mips/mips/vm_machdep.c Tue Apr 6 01:08:21 2010 (r206232) @@ -64,12 +64,15 @@ __FBSDID("$FreeBSD$"); #include <machine/pcb.h> #include <vm/vm.h> -#include <vm/vm_param.h> -#include <sys/lock.h> +#include <vm/vm_extern.h> +#include <vm/pmap.h> #include <vm/vm_kern.h> -#include <vm/vm_page.h> #include <vm/vm_map.h> -#include <vm/vm_extern.h> +#include <vm/vm_page.h> +#include <vm/vm_pageout.h> +#include <vm/vm_param.h> +#include <vm/uma.h> +#include <vm/uma_int.h> #include <sys/user.h> #include <sys/mbuf.h> @@ -570,6 +573,56 @@ swi_vm(void *dummy) { } +#if defined(__mips_n64) +void * +uma_small_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait) +{ + static vm_pindex_t color; + vm_paddr_t pa; + vm_page_t m; + int pflags; + void *va; + + *flags = UMA_SLAB_PRIV; + + if ((wait & (M_NOWAIT|M_USE_RESERVE)) == M_NOWAIT) + pflags = VM_ALLOC_INTERRUPT | VM_ALLOC_WIRED; + else + pflags = VM_ALLOC_SYSTEM | VM_ALLOC_WIRED; + + if (wait & M_ZERO) + pflags |= VM_ALLOC_ZERO; + + for (;;) { + m = vm_page_alloc(NULL, color++, pflags | VM_ALLOC_NOOBJ); + if (m == NULL) { + if (wait & M_NOWAIT) + return (NULL); + else + VM_WAIT; + } else + break; + } + + pa = VM_PAGE_TO_PHYS(m); + va = (void *)MIPS_PHYS_TO_XKPHYS(MIPS_XKPHYS_CCA_CNC, pa); + if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0) + bzero(va, PAGE_SIZE); + return (va); +} + +void +uma_small_free(void *mem, int size, u_int8_t flags) +{ + vm_page_t m; + + m = PHYS_TO_VM_PAGE(MIPS_XKPHYS_TO_PHYS((vm_offset_t)mem)); + m->wire_count--; + vm_page_free(m); + atomic_subtract_int(&cnt.v_wire_count, 1); +} +#endif + int cpu_set_user_tls(struct thread *td, void *tls_base) {
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