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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Jiri Svoboda |
2 | * Copyright (c) 2008 Jiri Svoboda |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup rtld rtld |
29 | /** @addtogroup rtld rtld |
30 | * @brief |
30 | * @brief |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <stdio.h> |
37 | #include <stdio.h> |
38 | #include <stdlib.h> |
38 | #include <stdlib.h> |
39 | 39 | ||
40 | #include <arch.h> |
40 | #include <arch.h> |
41 | #include <elf_dyn.h> |
41 | #include <elf_dyn.h> |
42 | #include <symbol.h> |
42 | #include <symbol.h> |
43 | #include <rtld.h> |
43 | #include <rtld.h> |
44 | #include <smc.h> |
44 | #include <smc.h> |
45 | 45 | ||
46 | #define __L(ptr) ((uint32_t)(ptr) & 0x0000ffff) |
46 | #define __L(ptr) ((uint32_t)(ptr) & 0x0000ffff) |
47 | #define __HA(ptr) ((uint32_t)(ptr) >> 16) |
47 | #define __HA(ptr) ((uint32_t)(ptr) >> 16) |
48 | 48 | ||
49 | // ldis r11, .PLTtable@ha |
49 | // ldis r11, .PLTtable@ha |
50 | static inline uint32_t _ldis(unsigned rD, uint16_t imm16) |
50 | static inline uint32_t _ldis(unsigned rD, uint16_t imm16) |
51 | { |
51 | { |
52 | /* Special case of addis: ldis rD,SIMM == addis rD,0,SIMM */ |
52 | /* Special case of addis: ldis rD,SIMM == addis rD,0,SIMM */ |
53 | return 0x3C000000 | (rD << 21) | imm16; |
53 | return 0x3C000000 | (rD << 21) | imm16; |
54 | } |
54 | } |
55 | 55 | ||
56 | static inline uint32_t _lwz(unsigned rD, uint16_t disp16, unsigned rA) |
56 | static inline uint32_t _lwz(unsigned rD, uint16_t disp16, unsigned rA) |
57 | { |
57 | { |
58 | return 0x80000000 | (rD << 21) | (rA << 16) | disp16; |
58 | return 0x80000000 | (rD << 21) | (rA << 16) | disp16; |
59 | } |
59 | } |
60 | 60 | ||
61 | static inline uint32_t _mtctr(unsigned rS) |
61 | static inline uint32_t _mtctr(unsigned rS) |
62 | { |
62 | { |
63 | /* mtctr rD == mtspr 9, rD */ |
63 | /* mtctr rD == mtspr 9, rD */ |
64 | return 0x7c0003a6 | (rS << 21) | (9/*CTR*/ << 16); |
64 | return 0x7c0003a6 | (rS << 21) | (9/*CTR*/ << 16); |
65 | } |
65 | } |
66 | 66 | ||
67 | static inline uint32_t _bctr() |
67 | static inline uint32_t _bctr() |
68 | { |
68 | { |
69 | /* bcctr 0x1f, 0 */ |
69 | /* bcctr 0x1f, 0 */ |
70 | return 0x4c000420 | (0x1f/*always*/ << 21); |
70 | return 0x4c000420 | (0x1f/*always*/ << 21); |
71 | } |
71 | } |
72 | 72 | ||
73 | /* branch */ |
73 | /* branch */ |
74 | static inline uint32_t _b(uint32_t *addr, uint32_t *location) |
74 | static inline uint32_t _b(uint32_t *addr, uint32_t *location) |
75 | { |
75 | { |
76 | uint32_t raddr = ((uint32_t)addr - (uint32_t)location) & 0x03fffffc; |
76 | uint32_t raddr = ((uint32_t)addr - (uint32_t)location) & 0x03fffffc; |
77 | return 0x48000000 | raddr; |
77 | return 0x48000000 | raddr; |
78 | } |
78 | } |
79 | 79 | ||
80 | 80 | ||
81 | /* |
81 | /* |
82 | * Fill in PLT |
82 | * Fill in PLT |
83 | */ |
83 | */ |
84 | void module_process_pre_arch(module_t *m) |
84 | void module_process_pre_arch(module_t *m) |
85 | { |
85 | { |
86 | uint32_t *plt; |
86 | uint32_t *plt; |
87 | uint32_t *_plt_ent; |
87 | uint32_t *_plt_ent; |
- | 88 | ||
- | 89 | /* No lazy linking -- no pre-processing yet. */ |
|
- | 90 | return; |
|
88 | 91 | ||
89 | plt = m->dyn.plt_got; |
92 | plt = m->dyn.plt_got; |
90 | if (!plt) { |
93 | if (!plt) { |
91 | /* Module has no PLT */ |
94 | /* Module has no PLT */ |
92 | return; |
95 | return; |
93 | } |
96 | } |
94 | 97 | ||
95 | // PLT entries start here. However, each occupies 2 words |
98 | // PLT entries start here. However, each occupies 2 words |
96 | _plt_ent = plt + 18; |
99 | _plt_ent = plt + 18; |
97 | 100 | ||
98 | // By definition of the ppc ABI, there's 1:1 correspondence |
101 | // By definition of the ppc ABI, there's 1:1 correspondence |
99 | // between JMPREL entries and PLT entries |
102 | // between JMPREL entries and PLT entries |
100 | unsigned plt_n = m->dyn.plt_rel_sz / sizeof(elf_rela_t); |
103 | unsigned plt_n = m->dyn.plt_rel_sz / sizeof(elf_rela_t); |
101 | 104 | ||
102 | uint32_t *_plt_table; |
105 | uint32_t *_plt_table; |
103 | uint32_t *_plt_call; |
106 | uint32_t *_plt_call; |
104 | uint32_t *_plt_resolve; |
107 | uint32_t *_plt_resolve; |
105 | 108 | ||
106 | _plt_resolve = plt; |
109 | _plt_resolve = plt; |
107 | _plt_call = plt + 6; |
110 | _plt_call = plt + 6; |
108 | _plt_table = plt + 18 + plt_n; |
111 | _plt_table = plt + 18 + plt_n; |
109 | 112 | ||
110 | /* .PLTcall: */ |
113 | /* .PLTcall: */ |
111 | plt[6] = _ldis(11, __HA(_plt_table)); // ldis r11, .PLTtable@ha |
114 | plt[6] = _ldis(11, __HA(_plt_table)); // ldis r11, .PLTtable@ha |
112 | plt[7] = _lwz(11, __L(_plt_table), 11); // lwz r11, .PLTtable@l(r11) |
115 | plt[7] = _lwz(11, __L(_plt_table), 11); // lwz r11, .PLTtable@l(r11) |
113 | plt[8] = _mtctr(11); // mtctr r11 |
116 | plt[8] = _mtctr(11); // mtctr r11 |
114 | plt[9] = _bctr(); |
117 | plt[9] = _bctr(); |
115 | 118 | ||
116 | /* .PLTi, i = 0..N-1 */ |
119 | /* .PLTi, i = 0..N-1 */ |
117 | // kputint(-4); |
120 | // kputint(-4); |
118 | /* for (i = 0; i < plt_n; ++i) { |
121 | /* for (i = 0; i < plt_n; ++i) { |
119 | //_plt_table[i] == function address; |
122 | //_plt_table[i] == function address; |
120 | plt[18+i] = _b(_plt_call, &plt[18+i]); // b .PLTcall |
123 | plt[18+i] = _b(_plt_call, &plt[18+i]); // b .PLTcall |
121 | }*/ |
124 | }*/ |
122 | } |
125 | } |
123 | 126 | ||
124 | void rel_table_process(module_t *m, elf_rel_t *rt, size_t rt_size) |
127 | void rel_table_process(module_t *m, elf_rel_t *rt, size_t rt_size) |
125 | { |
128 | { |
126 | /* Unused */ |
129 | /* Unused */ |
127 | (void)m; (void)rt; (void)rt_size; |
130 | (void)m; (void)rt; (void)rt_size; |
128 | } |
131 | } |
129 | 132 | ||
130 | /** |
133 | /** |
131 | * Process (fixup) all relocations in a relocation table. |
134 | * Process (fixup) all relocations in a relocation table. |
132 | */ |
135 | */ |
133 | void rela_table_process(module_t *m, elf_rela_t *rt, size_t rt_size) |
136 | void rela_table_process(module_t *m, elf_rela_t *rt, size_t rt_size) |
134 | { |
137 | { |
135 | int i; |
138 | int i; |
136 | 139 | ||
137 | size_t rt_entries; |
140 | size_t rt_entries; |
138 | size_t r_offset; |
141 | size_t r_offset; |
139 | elf_word r_info; |
142 | elf_word r_info; |
140 | unsigned rel_type; |
143 | unsigned rel_type; |
141 | elf_word sym_idx; |
144 | elf_word sym_idx; |
142 | uintptr_t sym_addr; |
145 | uintptr_t sym_addr; |
143 | uintptr_t r_addend; |
146 | uintptr_t r_addend; |
144 | 147 | ||
145 | elf_symbol_t *sym_table; |
148 | elf_symbol_t *sym_table; |
146 | elf_symbol_t *sym; |
149 | elf_symbol_t *sym; |
147 | uint32_t *r_ptr; |
150 | uint32_t *r_ptr; |
148 | uint16_t *r_ptr16; |
151 | uint16_t *r_ptr16; |
149 | char *str_tab; |
152 | char *str_tab; |
150 | 153 | ||
151 | elf_symbol_t *sym_def; |
154 | elf_symbol_t *sym_def; |
152 | module_t *dest; |
155 | module_t *dest; |
153 | 156 | ||
154 | uint32_t *plt; |
157 | uint32_t *plt; |
155 | uint32_t *_plt_table; |
158 | uint32_t *_plt_table; |
156 | uint32_t *_plt_ent; |
159 | uint32_t *_plt_ent; |
157 | uint32_t plt_n; |
160 | uint32_t plt_n; |
158 | uint32_t pidx; |
161 | uint32_t pidx; |
159 | uint32_t t_addr; |
162 | uint32_t t_addr; |
160 | uint32_t sym_size; |
163 | uint32_t sym_size; |
161 | 164 | ||
162 | plt = m->dyn.plt_got; |
165 | plt = m->dyn.plt_got; |
163 | plt_n = m->dyn.plt_rel_sz / sizeof(elf_rela_t); |
166 | plt_n = m->dyn.plt_rel_sz / sizeof(elf_rela_t); |
164 | _plt_ent = plt+ 18; |
167 | _plt_ent = plt+ 18; |
165 | _plt_table = plt + 18 + plt_n; |
168 | _plt_table = plt + 18 + plt_n; |
166 | 169 | ||
167 | DPRINTF("parse relocation table\n"); |
170 | DPRINTF("parse relocation table\n"); |
168 | 171 | ||
169 | sym_table = m->dyn.sym_tab; |
172 | sym_table = m->dyn.sym_tab; |
170 | rt_entries = rt_size / sizeof(elf_rela_t); |
173 | rt_entries = rt_size / sizeof(elf_rela_t); |
171 | str_tab = m->dyn.str_tab; |
174 | str_tab = m->dyn.str_tab; |
172 | 175 | ||
173 | DPRINTF("address: 0x%x, entries: %d\n", (uintptr_t)rt, rt_entries); |
176 | DPRINTF("address: 0x%x, entries: %d\n", (uintptr_t)rt, rt_entries); |
174 | 177 | ||
175 | for (i = 0; i < rt_entries; ++i) { |
178 | for (i = 0; i < rt_entries; ++i) { |
176 | DPRINTF("symbol %d: ", i); |
179 | DPRINTF("symbol %d: ", i); |
177 | r_offset = rt[i].r_offset; |
180 | r_offset = rt[i].r_offset; |
178 | r_info = rt[i].r_info; |
181 | r_info = rt[i].r_info; |
179 | r_addend = rt[i].r_addend; |
182 | r_addend = rt[i].r_addend; |
180 | 183 | ||
181 | sym_idx = ELF32_R_SYM(r_info); |
184 | sym_idx = ELF32_R_SYM(r_info); |
182 | sym = &sym_table[sym_idx]; |
185 | sym = &sym_table[sym_idx]; |
183 | 186 | ||
184 | DPRINTF("name '%s', value 0x%x, size 0x%x\n", |
187 | DPRINTF("name '%s', value 0x%x, size 0x%x\n", |
185 | str_tab + sym->st_name, |
188 | str_tab + sym->st_name, |
186 | sym->st_value, |
189 | sym->st_value, |
187 | sym->st_size); |
190 | sym->st_size); |
188 | 191 | ||
189 | rel_type = ELF32_R_TYPE(r_info); |
192 | rel_type = ELF32_R_TYPE(r_info); |
190 | r_ptr = (uint32_t *)(r_offset + m->bias); |
193 | r_ptr = (uint32_t *)(r_offset + m->bias); |
191 | r_ptr16 = (uint16_t *)(r_offset + m->bias); |
194 | r_ptr16 = (uint16_t *)(r_offset + m->bias); |
192 | 195 | ||
193 | if (sym->st_name != 0) { |
196 | if (sym->st_name != 0) { |
194 | DPRINTF("rel_type: %x, rel_offset: 0x%x\n", rel_type, r_offset); |
197 | DPRINTF("rel_type: %x, rel_offset: 0x%x\n", rel_type, r_offset); |
195 | sym_def = symbol_def_find(str_tab + sym->st_name, |
198 | sym_def = symbol_def_find(str_tab + sym->st_name, |
196 | m, &dest); |
199 | m, &dest); |
197 | DPRINTF("dest name: '%s'\n", dest->dyn.soname); |
200 | DPRINTF("dest name: '%s'\n", dest->dyn.soname); |
198 | DPRINTF("dest bias: 0x%x\n", dest->bias); |
201 | DPRINTF("dest bias: 0x%x\n", dest->bias); |
199 | if (sym_def) { |
202 | if (sym_def) { |
200 | sym_addr = symbol_get_addr(sym_def, dest); |
203 | sym_addr = symbol_get_addr(sym_def, dest); |
201 | DPRINTF("symbol definition found, addr=0x%x\n", sym_addr); |
204 | DPRINTF("symbol definition found, addr=0x%x\n", sym_addr); |
202 | } else { |
205 | } else { |
203 | DPRINTF("symbol definition not found\n"); |
206 | DPRINTF("symbol definition not found\n"); |
204 | continue; |
207 | continue; |
205 | } |
208 | } |
206 | } |
209 | } |
207 | 210 | ||
208 | switch (rel_type) { |
211 | switch (rel_type) { |
209 | case R_PPC_ADDR16_LO: |
212 | case R_PPC_ADDR16_LO: |
210 | DPRINTF("fixup R_PPC_ADDR16_LO (#lo(s+a))\n"); |
213 | DPRINTF("fixup R_PPC_ADDR16_LO (#lo(s+a))\n"); |
211 | *r_ptr16 = (sym_addr + r_addend) & 0xffff; |
214 | *r_ptr16 = (sym_addr + r_addend) & 0xffff; |
212 | break; |
215 | break; |
213 | 216 | ||
214 | case R_PPC_ADDR16_HI: |
217 | case R_PPC_ADDR16_HI: |
215 | DPRINTF("fixup R_PPC_ADDR16_HI (#hi(s+a))\n"); |
218 | DPRINTF("fixup R_PPC_ADDR16_HI (#hi(s+a))\n"); |
216 | *r_ptr16 = (sym_addr + r_addend) >> 16; |
219 | *r_ptr16 = (sym_addr + r_addend) >> 16; |
217 | break; |
220 | break; |
218 | 221 | ||
219 | case R_PPC_ADDR16_HA: |
222 | case R_PPC_ADDR16_HA: |
220 | DPRINTF("fixup R_PPC_ADDR16_HA (#ha(s+a))\n"); |
223 | DPRINTF("fixup R_PPC_ADDR16_HA (#ha(s+a))\n"); |
221 | t_addr = sym_addr + r_addend; |
224 | t_addr = sym_addr + r_addend; |
222 | *r_ptr16 = (t_addr >> 16) + ((t_addr & 0x8000) ? 1 : 0); |
225 | *r_ptr16 = (t_addr >> 16) + ((t_addr & 0x8000) ? 1 : 0); |
223 | break; |
226 | break; |
224 | 227 | ||
225 | case R_PPC_JMP_SLOT: |
228 | case R_PPC_JMP_SLOT: |
226 | DPRINTF("fixup R_PPC_JMP_SLOT (b+v)\n"); |
229 | DPRINTF("fixup R_PPC_JMP_SLOT (b+v)\n"); |
227 | pidx = (r_ptr - _plt_ent) / 2; |
230 | pidx = (r_ptr - _plt_ent) / 2; |
228 | if (pidx >= plt_n) { |
231 | if (pidx >= plt_n) { |
229 | DPRINTF("error: proc index out of range\n"); |
232 | DPRINTF("error: proc index out of range\n"); |
230 | exit(1); |
233 | exit(1); |
231 | } |
234 | } |
232 | plt[18+2*pidx] = _b((void *)sym_addr, &plt[18+2*pidx]); |
235 | plt[18+2*pidx] = _b((void *)sym_addr, &plt[18+2*pidx]); |
233 | break; |
236 | break; |
234 | 237 | ||
235 | case R_PPC_ADDR32: |
238 | case R_PPC_ADDR32: |
236 | DPRINTF("fixup R_PPC_ADDR32 (b+v+a)\n"); |
239 | DPRINTF("fixup R_PPC_ADDR32 (b+v+a)\n"); |
237 | *r_ptr = r_addend + sym_addr; |
240 | *r_ptr = r_addend + sym_addr; |
238 | break; |
241 | break; |
239 | 242 | ||
240 | case R_PPC_COPY: |
243 | case R_PPC_COPY: |
241 | /* |
244 | /* |
242 | * Copy symbol data from shared object to specified |
245 | * Copy symbol data from shared object to specified |
243 | * location. |
246 | * location. |
244 | */ |
247 | */ |
245 | DPRINTF("fixup R_PPC_COPY (s)\n"); |
248 | DPRINTF("fixup R_PPC_COPY (s)\n"); |
246 | sym_size = sym->st_size; |
249 | sym_size = sym->st_size; |
247 | if (sym_size != sym_def->st_size) { |
250 | if (sym_size != sym_def->st_size) { |
248 | printf("warning: mismatched symbol sizes\n"); |
251 | printf("warning: mismatched symbol sizes\n"); |
249 | /* Take the lower value. */ |
252 | /* Take the lower value. */ |
250 | if (sym_size > sym_def->st_size) |
253 | if (sym_size > sym_def->st_size) |
251 | sym_size = sym_def->st_size; |
254 | sym_size = sym_def->st_size; |
252 | } |
255 | } |
253 | memcpy(r_ptr, (const void *)sym_addr, sym_size); |
256 | memcpy(r_ptr, (const void *)sym_addr, sym_size); |
254 | break; |
257 | break; |
255 | 258 | ||
256 | case R_PPC_RELATIVE: |
259 | case R_PPC_RELATIVE: |
257 | DPRINTF("fixup R_PPC_RELATIVE (b+a)\n"); |
260 | DPRINTF("fixup R_PPC_RELATIVE (b+a)\n"); |
258 | *r_ptr = r_addend + m->bias; |
261 | *r_ptr = r_addend + m->bias; |
259 | break; |
262 | break; |
260 | 263 | ||
261 | case R_PPC_REL24: |
264 | case R_PPC_REL24: |
262 | DPRINTF("fixup R_PPC_REL24 (s+a-p)>>2\n"); |
265 | DPRINTF("fixup R_PPC_REL24 (s+a-p)>>2\n"); |
263 | *r_ptr = (sym_addr + r_addend - (uint32_t)r_ptr) >> 2; |
266 | *r_ptr = (sym_addr + r_addend - (uint32_t)r_ptr) >> 2; |
264 | break; |
267 | break; |
265 | 268 | ||
266 | case R_PPC_DTPMOD32: |
269 | case R_PPC_DTPMOD32: |
267 | /* |
270 | /* |
268 | * We can ignore this as long as the only module |
271 | * We can ignore this as long as the only module |
269 | * with TLS variables is libc.so. |
272 | * with TLS variables is libc.so. |
270 | */ |
273 | */ |
271 | DPRINTF("Ignoring R_PPC_DTPMOD32\n"); |
274 | DPRINTF("Ignoring R_PPC_DTPMOD32\n"); |
272 | break; |
275 | break; |
273 | 276 | ||
274 | default: |
277 | default: |
275 | printf("Error: Unknown relocation type %d.\n", |
278 | printf("Error: Unknown relocation type %d.\n", |
276 | rel_type); |
279 | rel_type); |
277 | exit(1); |
280 | exit(1); |
278 | break; |
281 | break; |
279 | } |
282 | } |
280 | } |
283 | } |
281 | 284 | ||
282 | /* |
285 | /* |
283 | * Synchronize the used portion of PLT. This is necessary since |
286 | * Synchronize the used portion of PLT. This is necessary since |
284 | * we are writing instructions. |
287 | * we are writing instructions. |
285 | */ |
288 | */ |
286 | smc_coherence(&plt[18], plt_n * 2 * sizeof(uint32_t)); |
289 | smc_coherence(&plt[18], plt_n * 2 * sizeof(uint32_t)); |
287 | } |
290 | } |
288 | 291 | ||
289 | /** @} |
292 | /** @} |
290 | */ |
293 | */ |
291 | 294 |