mmu_phyp.c (fa1e92b687fa55aae3b9aff3cddc806ddd49cc4b) mmu_phyp.c (1cd30eb6dd61f24520d2dfc71856ac94c4f7b5ad)
1/*
2 * Copyright (C) 2010 Andreas Tobler
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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109static void
110mphyp_bootstrap(mmu_t mmup, vm_offset_t kernelstart, vm_offset_t kernelend)
111{
112 uint64_t final_pteg_count = 0;
113 char buf[8];
114 uint32_t prop[2];
115 uint32_t nptlp, shift = 0, slb_encoding = 0;
116 uint32_t lp_size, lp_encoding;
1/*
2 * Copyright (C) 2010 Andreas Tobler
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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109static void
110mphyp_bootstrap(mmu_t mmup, vm_offset_t kernelstart, vm_offset_t kernelend)
111{
112 uint64_t final_pteg_count = 0;
113 char buf[8];
114 uint32_t prop[2];
115 uint32_t nptlp, shift = 0, slb_encoding = 0;
116 uint32_t lp_size, lp_encoding;
117 struct lpte old;
118 uint64_t vsid;
117 phandle_t dev, node, root;
118 int idx, len, res;
119
120 rw_init(&mphyp_eviction_lock, "pte eviction");
121
122 moea64_early_bootstrap(mmup, kernelstart, kernelend);
123
124 root = OF_peer(0);

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145 panic("mmu_phyp: unknown PFT size");
146 final_pteg_count = 1 << prop[1];
147 res = OF_getprop(node, "ibm,slb-size", prop, sizeof(prop[0]));
148 if (res > 0)
149 n_slbs = prop[0];
150
151 moea64_pteg_count = final_pteg_count / sizeof(struct lpteg);
152
119 phandle_t dev, node, root;
120 int idx, len, res;
121
122 rw_init(&mphyp_eviction_lock, "pte eviction");
123
124 moea64_early_bootstrap(mmup, kernelstart, kernelend);
125
126 root = OF_peer(0);

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147 panic("mmu_phyp: unknown PFT size");
148 final_pteg_count = 1 << prop[1];
149 res = OF_getprop(node, "ibm,slb-size", prop, sizeof(prop[0]));
150 if (res > 0)
151 n_slbs = prop[0];
152
153 moea64_pteg_count = final_pteg_count / sizeof(struct lpteg);
154
155 /* Clear any old page table entries */
156 for (idx = 0; idx < moea64_pteg_count*8; idx++) {
157 phyp_pft_hcall(H_READ, 0, idx, 0, 0, &old.pte_hi,
158 &old.pte_lo, &old.pte_lo);
159 vsid = (old.pte_hi << (ADDR_API_SHFT64 - ADDR_PIDX_SHFT)) >> 28;
160 if (vsid == VSID_VRMA || vsid == 0 /* Older VRMA */)
161 continue;
162
163 if (old.pte_hi & LPTE_VALID)
164 phyp_hcall(H_REMOVE, 0, idx, 0);
165 }
166
153 /*
154 * Scan the large page size property for PAPR compatible machines.
155 * See PAPR D.5 Changes to Section 5.1.4, 'CPU Node Properties'
156 * for the encoding of the property.
157 */
158
159 len = OF_getproplen(node, "ibm,segment-page-sizes");
160 if (len > 0) {

--- 300 unchanged lines hidden --- 		167 /*
168 * Scan the large page size property for PAPR compatible machines.
169 * See PAPR D.5 Changes to Section 5.1.4, 'CPU Node Properties'
170 * for the encoding of the property.
171 */
172
173 len = OF_getproplen(node, "ibm,segment-page-sizes");
174 if (len > 0) {

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