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Add a flags field to _PhysMem structure so that we can describe 

attributes of memory regions (BOOT_DRAM_CAN_DMA, BOOT_DRAM_PREFER).
Rearrange order of BootConfig members so that the describing how many
dram regions we have preceeds the descriptions of each region.
This commit is contained in:
rearnsha 2003-09-06 10:08:13 +00:00
parent d35277ea35
commit 20b73e2b48
1 changed files with 6 additions and 3 deletions
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9
sys/arch/evbarm/include/bootconfig.h
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@ -1,4 +1,4 @@
/* $NetBSD: bootconfig.h,v 1.1 2001/09/05 04:53:40 matt Exp $ */
/* $NetBSD: bootconfig.h,v 1.2 2003/09/06 10:08:13 rearnsha Exp $ */
/*
* Copyright (c) 1994 Mark Brinicombe.
@ -45,13 +45,16 @@
typedef struct _PhysMem {
u_int address;
u_int pages;
u_int flags;
#define BOOT_DRAM_CAN_DMA 1 /* Can DMA direct to this memory. */
#define BOOT_DRAM_PREFER 2 /* UVM should prefer this memory. */
} PhysMem;
#define DRAM_BLOCKS 1
#define DRAM_BLOCKS 2
typedef struct _BootConfig {
PhysMem dram[DRAM_BLOCKS];
u_int dramblocks;
PhysMem dram[DRAM_BLOCKS];
} BootConfig;
extern BootConfig bootconfig;