git.saurik.com Git - apple/boot.git/blame_incremental

... / ...

Commit	Line	Data
	1	/*
	2	* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* Portions Copyright (c) 2003 Apple Computer, Inc. All Rights
	7	* Reserved. This file contains Original Code and/or Modifications of
	8	* Original Code as defined in and that are subject to the Apple Public
	9	* Source License Version 2.0 (the "License"). You may not use this file
	10	* except in compliance with the License. Please obtain a copy of the
	11	* License at http://www.apple.com/publicsource and read it before using
	12	* this file.
	13	*
	14	* The Original Code and all software distributed under the License are
	15	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
	19	* License for the specific language governing rights and limitations
	20	* under the License.
	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24
	25	#include "sl.h"
	26	#include "saio_internal.h"
	27	#include "bootstruct.h"
	28	#include "device_tree.h"
	29
	30	static long gImageLastKernelAddr;
	31
	32	#define kPageSize 4096
	33	#define RoundPage(x) ((((unsigned)(x)) + kPageSize - 1) & ~(kPageSize - 1))
	34
	35
	36	long
	37	AllocateMemoryRange(char * rangeName, long start, long length, long type)
	38	{
	39	char *nameBuf;
	40	uint32_t *buffer;
	41
	42	nameBuf = malloc(strlen(rangeName) + 1);
	43	if (nameBuf == 0) return -1;
	44	strcpy(nameBuf, rangeName);
	45
	46	buffer = malloc(2 * sizeof(uint32_t));
	47	if (buffer == 0) return -1;
	48
	49	buffer[0] = start;
	50	buffer[1] = length;
	51
	52	DT__AddProperty(gMemoryMapNode, nameBuf, 2 * sizeof(uint32_t), (char *)buffer);
	53
	54	return 0;
	55	}
	56
	57	#if 0
	58	long
	59	AllocateMemoryRange(char * rangeName, long start, long length, long type)
	60	{
	61	if ( bootArgs->numBootDrivers < NDRIVERS )
	62	{
	63	int num = bootArgs->numBootDrivers;
	64
	65	bootArgs->driverConfig[num].address = start;
	66	bootArgs->driverConfig[num].size = length;
	67	bootArgs->driverConfig[num].type = type;
	68	bootArgs->numBootDrivers++;
	69	}
	70	else
	71	{
	72	stop( "AllocateMemoryRange error" );
	73	}
	74	return 0;
	75	}
	76	#endif
	77
	78	long
	79	AllocateKernelMemory( long inSize )
	80	{
	81	long addr;
	82
	83	if (gImageLastKernelAddr == 0) {
	84	gImageLastKernelAddr = RoundPage( bootArgs->kaddr +
	85	bootArgs->ksize );
	86	}
	87	addr = gImageLastKernelAddr;
	88	gImageLastKernelAddr += RoundPage(inSize);
	89
	90	if ( gImageLastKernelAddr >= (KERNEL_ADDR + KERNEL_LEN) ) {
	91	stop ("AllocateKernelMemory error");
	92	}
	93
	94	bootArgs->ksize = gImageLastKernelAddr - bootArgs->kaddr;
	95
	96	return addr;
	97	}