/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2019 Peter Tribble. */ /* * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved. */ /* Copyright (c) 1988 AT&T */ /* All Rights Reserved */ #ifndef _SYS_MACHPARAM_H #define _SYS_MACHPARAM_H #ifdef __cplusplus extern "C" { #endif #ifndef _ASM #define ADDRESS_C(c) c ## ul #else /* _ASM */ #define ADDRESS_C(c) (c) #endif /* _ASM */ /* * Machine dependent parameters and limits - sun4u version. */ /* * Define the VAC symbol (etc.) if we could run on a machine * which has a Virtual Address Cache * * This stuff gotta go. */ #define VAC /* support virtual addressed caches */ /* * The maximum possible number of UPA devices in a system. * MAX_UPA maybe defined in a platform's makefile. */ #ifndef MAX_UPA #define MAX_UPA 32 #endif /* * Maximum cpuid value that we support. NCPU can be defined in a platform's * makefile. */ #ifndef NCPU #define NCPU 32 #endif #if (NCPU <= 1) #define NCPU_LOG2 0 #elif (NCPU <= 2) #define NCPU_LOG2 1 #elif (NCPU <= 4) #define NCPU_LOG2 2 #elif (NCPU <= 8) #define NCPU_LOG2 3 #elif (NCPU <= 16) #define NCPU_LOG2 4 #elif (NCPU <= 32) #define NCPU_LOG2 5 #elif (NCPU <= 64) #define NCPU_LOG2 6 #elif (NCPU <= 128) #define NCPU_LOG2 7 #elif (NCPU <= 256) #define NCPU_LOG2 8 #elif (NCPU <= 512) #define NCPU_LOG2 9 #elif (NCPU <= 1024) #define NCPU_LOG2 10 #else #error "add test for larger NCPU" #endif /* NCPU_P2 is NCPU rounded to a power of 2 */ #define NCPU_P2 (1 << NCPU_LOG2) /* * Maximum number of processors that we support. With CMP processors, the * portid may not be equal to cpuid. MAX_CPU_CHIPID can be defined in a * platform's makefile. */ #ifndef MAX_CPU_CHIPID #define MAX_CPU_CHIPID NCPU #endif /* * Define the FPU symbol if we could run on a machine with an external * FPU (i.e. not integrated with the normal machine state like the vax). * * The fpu is defined in the architecture manual, and the kernel hides * its absence if it is not present, that's pretty integrated, no? */ /* * MMU_PAGES* describes the physical page size used by the mapping hardware. * PAGES* describes the logical page size used by the system. */ #define MMU_PAGE_SIZES 6 /* max sun4u mmu-supported page sizes */ #define DEFAULT_MMU_PAGE_SIZES 4 /* default sun4u supported page sizes */ /* * XXX make sure the MMU_PAGESHIFT definition here is * consistent with the one in param.h */ #define MMU_PAGESHIFT 13 #define MMU_PAGESIZE (1<<MMU_PAGESHIFT) #define MMU_PAGEOFFSET (MMU_PAGESIZE - 1) #define MMU_PAGEMASK (~MMU_PAGEOFFSET) #define MMU_PAGESHIFT64K 16 #define MMU_PAGESIZE64K (1 << MMU_PAGESHIFT64K) #define MMU_PAGEOFFSET64K (MMU_PAGESIZE64K - 1) #define MMU_PAGEMASK64K (~MMU_PAGEOFFSET64K) #define MMU_PAGESHIFT512K 19 #define MMU_PAGESIZE512K (1 << MMU_PAGESHIFT512K) #define MMU_PAGEOFFSET512K (MMU_PAGESIZE512K - 1) #define MMU_PAGEMASK512K (~MMU_PAGEOFFSET512K) #define MMU_PAGESHIFT4M 22 #define MMU_PAGESIZE4M (1 << MMU_PAGESHIFT4M) #define MMU_PAGEOFFSET4M (MMU_PAGESIZE4M - 1) #define MMU_PAGEMASK4M (~MMU_PAGEOFFSET4M) #define MMU_PAGESHIFT32M 25 #define MMU_PAGESIZE32M (1 << MMU_PAGESHIFT32M) #define MMU_PAGEOFFSET32M (MMU_PAGESIZE32M - 1) #define MMU_PAGEMASK32M (~MMU_PAGEOFFSET32M) #define MMU_PAGESHIFT256M 28 #define MMU_PAGESIZE256M (1 << MMU_PAGESHIFT256M) #define MMU_PAGEOFFSET256M (MMU_PAGESIZE256M - 1) #define MMU_PAGEMASK256M (~MMU_PAGEOFFSET256M) #define PAGESHIFT 13 #define PAGESIZE (1<<PAGESHIFT) #define PAGEOFFSET (PAGESIZE - 1) #define PAGEMASK (~PAGEOFFSET) /* * DATA_ALIGN is used to define the alignment of the Unix data segment. */ #define DATA_ALIGN ADDRESS_C(0x2000) /* * DEFAULT KERNEL THREAD stack size. */ #define DEFAULTSTKSZ (3*PAGESIZE) /* * DEFAULT initial thread stack size. */ #define T0STKSZ (2 * DEFAULTSTKSZ) /* * KERNELBASE is the virtual address which * the kernel text/data mapping starts in all contexts. */ #define KERNELBASE ADDRESS_C(0x01000000) /* * Virtual address range available to the debugger */ #define SEGDEBUGBASE ADDRESS_C(0xedd00000) #define SEGDEBUGSIZE (ADDRESS_C(0xf0000000) - SEGDEBUGBASE) /* * Define the userlimits */ #define USERLIMIT ADDRESS_C(0xFFFFFFFF80000000) #define USERLIMIT32 ADDRESS_C(0xFFC00000) /* * Define SEGKPBASE, start of the segkp segment. */ #define SEGKPBASE ADDRESS_C(0x2a100000000) /* * Define SEGMAPBASE, start of the segmap segment. */ #define SEGMAPBASE ADDRESS_C(0x2a750000000) /* * SYSBASE is the virtual address which the kernel allocated memory * mapping starts in all contexts. SYSLIMIT is the end of the Sysbase segment. */ #define SYSBASE ADDRESS_C(0x30000000000) #define SYSLIMIT ADDRESS_C(0x70000000000) #define SYSBASE32 ADDRESS_C(0x70000000) #define SYSLIMIT32 ADDRESS_C(0x80000000) /* * BOOTTMPBASE is the base of a space that can be reclaimed * after the kernel takes over the machine. It contains the * boot archive and memory allocated by krtld before kmem_alloc * is brought online. */ #define BOOTTMPBASE ADDRESS_C(0x4C000000) /* * MEMSCRUBBASE is the base virtual address for the memory scrubber * to read large pages. It MUST be 4MB page aligned. */ #define MEMSCRUBBASE 0x2a000000000 /* * Define the kernel address space range allocated to Open Firmware */ #define OFW_START_ADDR 0xf0000000 #define OFW_END_ADDR 0xffffffff /* * ARGSBASE is the base virtual address of the range which * the kernel uses to map the arguments for exec. */ #define ARGSBASE (MEMSCRUBBASE - NCARGS) /* * PPMAPBASE is the base virtual address of the range which * the kernel uses to quickly map pages for operations such * as ppcopy, pagecopy, pagezero, and pagesum. */ #define PPMAPSIZE (512 * 1024) #define PPMAPBASE (ARGSBASE - PPMAPSIZE) #define MAXPP_SLOTS ADDRESS_C(16) #define PPMAP_FAST_SIZE (MAXPP_SLOTS * PAGESIZE * NCPU) #define PPMAP_FAST_BASE (PPMAPBASE - PPMAP_FAST_SIZE) /* * PIOMAPBASE is the base virtual address at which programmable I/O registers * are mapped. This allows such memory -- which may induce side effects when * read -- to be cordoned off from the system at-large. */ #define PIOMAPSIZE (1024 * 1024 * 1024 * (uintptr_t)5) #define PIOMAPBASE (PPMAP_FAST_BASE - PIOMAPSIZE) /* * Allocate space for kernel modules on nucleus pages */ #define MODDATA 1024 * 512 /* * The heap has a region allocated from it specifically for module text that * cannot fit on the nucleus page. This region -- which starts at address * HEAPTEXT_BASE and runs for HEAPTEXT_SIZE bytes -- has virtual holes * punched in it: for every HEAPTEXT_MAPPED bytes of available virtual, there * is a virtual hole of size HEAPTEXT_UNMAPPED bytes sitting beneath it. This * assures that any text address is within HEAPTEXT_MAPPED of an unmapped * region. The unmapped regions themselves are managed with the routines * kobj_texthole_alloc() and kobj_texthole_free(). */ #define HEAPTEXT_SIZE (128 * 1024 * 1024) /* bytes */ #define HEAPTEXT_OVERSIZE (64 * 1024 * 1024) /* bytes */ #define HEAPTEXT_BASE (SYSLIMIT32 - HEAPTEXT_SIZE) #define HEAPTEXT_MAPPED (2 * 1024 * 1024) #define HEAPTEXT_UNMAPPED (2 * 1024 * 1024) #define HEAPTEXT_NARENAS \ (HEAPTEXT_SIZE / (HEAPTEXT_MAPPED + HEAPTEXT_UNMAPPED) + 2) /* * Preallocate an area for setting up the user stack during * the exec(). This way we have a faster allocator and also * make sure the stack is always VAC aligned correctly. see * get_arg_base() in startup.c. */ #define ARG_SLOT_SIZE (0x8000) #define ARG_SLOT_SHIFT (15) #define N_ARG_SLOT (0x80) #define NARG_BASE (PIOMAPBASE - (ARG_SLOT_SIZE * N_ARG_SLOT)) /* * ktextseg+kvalloc should not use space beyond KERNEL_LIMIT32. */ /* * For 64-bit kernels, rename KERNEL_LIMIT to KERNEL_LIMIT32 to more accurately * reflect the fact that it's actually the limit for 32-bit kernel virtual * addresses. */ #define KERNEL_LIMIT32 BOOTTMPBASE #define PFN_TO_BUSTYPE(pfn) (((pfn) >> 19) & 0x1FF) #define IO_BUSTYPE(pfn) ((PFN_TO_BUSTYPE(pfn) & 0x100) >> 8) #define PFN_TO_UPAID(pfn) (((pfn) >> 20) & 0x1F) /* * Defines used for the ptl1_panic parameter, which is passed to the * ptl1_panic assembly routine in %g1. These #defines have string * names defined in sun4u/os/mach_cpu_states.c which should be kept up to * date if new #defines are added. */ #define PTL1_BAD_DEBUG 0 #define PTL1_BAD_WTRAP 1 #define PTL1_BAD_KMISS 2 #define PTL1_BAD_KPROT_FAULT 3 #define PTL1_BAD_ISM 4 #define PTL1_BAD_MMUTRAP 5 #define PTL1_BAD_TRAP 6 #define PTL1_BAD_FPTRAP 7 #define PTL1_BAD_INTR_VEC 8 #define PTL1_BAD_TRACE_PTR 9 #define PTL1_BAD_STACK 10 #define PTL1_BAD_DTRACE_FLAGS 11 #define PTL1_BAD_CTX_STEAL 12 #define PTL1_BAD_ECC 13 #define PTL1_BAD_CTX 14 #define PTL1_BAD_RAISE_TSBEXCP 20 #define PTL1_NO_SCDTSB8K 21 /* * Defines used for ptl1 related data structs. */ #define PTL1_MAXTL 4 #define PTL1_DEBUG_TRAP 0x7C #define PTL1_SSIZE 1024 /* minimum stack size */ #define CPU_ALLOC_SIZE MMU_PAGESIZE #ifdef __cplusplus } #endif #endif /* _SYS_MACHPARAM_H */
