diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/mips64/include/memconf.h | 3 | ||||
| -rw-r--r-- | sys/arch/mips64/mips64/arcbios.c | 64 |
2 files changed, 51 insertions, 16 deletions
diff --git a/sys/arch/mips64/include/memconf.h b/sys/arch/mips64/include/memconf.h index f3d76e143a3..d7dd6390168 100644 --- a/sys/arch/mips64/include/memconf.h +++ b/sys/arch/mips64/include/memconf.h @@ -1,4 +1,4 @@ -/* $OpenBSD: memconf.h,v 1.3 2008/03/30 20:13:14 miod Exp $ */ +/* $OpenBSD: memconf.h,v 1.4 2008/04/07 22:40:56 miod Exp $ */ /* * Copyright (c) 1996 Per Fogelstrom @@ -35,6 +35,7 @@ struct phys_mem_desc { u_int32_t mem_first_page; u_int32_t mem_last_page; + unsigned int mem_freelist; }; #ifdef _KERNEL diff --git a/sys/arch/mips64/mips64/arcbios.c b/sys/arch/mips64/mips64/arcbios.c index 27cd8bb282e..797d1b18608 100644 --- a/sys/arch/mips64/mips64/arcbios.c +++ b/sys/arch/mips64/mips64/arcbios.c @@ -1,4 +1,4 @@ -/* $OpenBSD: arcbios.c,v 1.13 2008/02/18 19:48:36 miod Exp $ */ +/* $OpenBSD: arcbios.c,v 1.14 2008/04/07 22:40:58 miod Exp $ */ /*- * Copyright (c) 1996 M. Warner Losh. All rights reserved. * Copyright (c) 1996-2004 Opsycon AB. All rights reserved. @@ -28,10 +28,12 @@ #include <sys/param.h> #include <sys/systm.h> #include <sys/proc.h> + +#include <machine/autoconf.h> #include <machine/cpu.h> #include <machine/memconf.h> -#include <machine/param.h> -#include <machine/autoconf.h> +#include <machine/vmparam.h> + #include <mips64/arcbios.h> #include <mips64/archtype.h> @@ -216,6 +218,7 @@ bios_configure_memory() arc_mem_t *descr = NULL; struct phys_mem_desc *m; uint64_t start, count; + MEMORYTYPE type; vaddr_t seg_start, seg_end; int i; @@ -224,15 +227,50 @@ bios_configure_memory() if (bios_is_32bit) { start = descr->BasePage; count = descr->PageCount; + type = descr->Type; } else { start = ((arc_mem64_t *)descr)->BasePage; count = ((arc_mem64_t *)descr)->PageCount; + type = descr->Type; + +#ifdef TGT_OCTANE + /* + * Memory above 1GB physical (address 1.5GB) + * gets reported as reserved on Octane, while + * it isn't. + */ + if (sys_config.system_type == SGI_OCTANE && + type == FirmwarePermanent && + start >= 0x60000) + type = FreeMemory; +#endif + +#if defined(TGT_ORIGIN200) || defined(TGT_ORIGIN2000) + /* + * On Origin200 systems, data after the first + * FirmwarePermanent entry is not reliable + * (entries conflict with each other), and memory + * after 32MB is not listed anyway. + * So, break from the loop as soon as a + * FirmwarePermanent entry is found, after + * making it span the end of the first 32MB. + * The rest of the memory is gathered from the + * node structures. This probably loses some of + * the first 32MB, but at least we're safe to + * use ARCBios after going virtual. + */ + if (sys_config.system_type == SGI_O200 && + type == FirmwarePermanent) { + count = (32 << (20 - 12)) - start; + descr = NULL; + } +#endif } seg_start = start; seg_end = seg_start + count; - switch (descr->Type) { - case BadMemory: /* Have no use for theese */ + switch (type) { + case BadMemory: /* Have no use for these */ break; case FreeMemory: @@ -256,6 +294,7 @@ bios_configure_memory() if (m && m->mem_first_page == 0) { m->mem_first_page = seg_start; m->mem_last_page = seg_end; + m->mem_freelist = VM_FREELIST_DEFAULT; } break; @@ -274,6 +313,10 @@ bios_configure_memory() default: /* Unknown type, leave it alone... */ break; } +#if defined(TGT_ORIGIN200) || defined(TGT_ORIGIN2000) + if (descr == NULL) + break; +#endif descr = (arc_mem_t *)Bios_GetMemoryDescriptor(descr); } @@ -369,15 +412,7 @@ void bios_ident() { sys_config.system_type = bios_get_system_type(); - /* Get memory configuration from bios if applicable */ - switch (sys_config.system_type) { - case SGI_O200: - break; - default: - if (sys_config.system_type >= 0) - bios_configure_memory(); - break; - } + bios_configure_memory(); #ifdef __arc__ displayinfo = *(arc_dsp_stat_t *)Bios_GetDisplayStatus(1); #endif @@ -401,4 +436,3 @@ bios_display_info(xpos, ypos, xsize, ysize) *ysize = displayinfo.CursorMaxYPosition; #endif } - |