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