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Line 129... | Line 129... | ||
129 | 129 | ||
130 | #define CONFIG_STACK_SIZE ((1 << STACK_FRAMES) * STACK_SIZE) |
130 | #define CONFIG_STACK_SIZE ((1 << STACK_FRAMES) * STACK_SIZE) |
131 | 131 | ||
132 | /** Main kernel routine for bootstrap CPU. |
132 | /** Main kernel routine for bootstrap CPU. |
133 | * |
133 | * |
134 | * Initializes the kernel by bootstrap CPU. |
134 | * The code here still runs on the boot stack, which knows nothing about |
135 | * This function passes control directly to |
135 | * preemption counts. Because of that, this function cannot directly call |
- | 136 | * functions that disable or enable preemption (e.g. spinlock_lock()). The |
|
- | 137 | * primary task of this function is to calculate address of a new stack and |
|
136 | * main_bsp_separated_stack(). |
138 | * switch to it. |
137 | * |
139 | * |
138 | * Assuming interrupts_disable(). |
140 | * Assuming interrupts_disable(). |
139 | * |
141 | * |
140 | */ |
142 | */ |
141 | void main_bsp(void) |
143 | void main_bsp(void) |
142 | { |
144 | { |
143 | LOG(); |
- | |
144 | - | ||
145 | config.cpu_count = 1; |
145 | config.cpu_count = 1; |
146 | config.cpu_active = 1; |
146 | config.cpu_active = 1; |
147 | 147 | ||
148 | config.base = hardcoded_load_address; |
148 | config.base = hardcoded_load_address; |
149 | config.kernel_size = ALIGN_UP(hardcoded_ktext_size + |
149 | config.kernel_size = ALIGN_UP(hardcoded_ktext_size + |
Line 171... | Line 171... | ||
171 | } |
171 | } |
172 | 172 | ||
173 | if (config.stack_base < stack_safe) |
173 | if (config.stack_base < stack_safe) |
174 | config.stack_base = ALIGN_UP(stack_safe, PAGE_SIZE); |
174 | config.stack_base = ALIGN_UP(stack_safe, PAGE_SIZE); |
175 | 175 | ||
176 | version_print(); |
- | |
177 | - | ||
178 | LOG("\nconfig.base=%#" PRIp " config.kernel_size=%" PRIs |
- | |
179 | "\nconfig.stack_base=%#" PRIp " config.stack_size=%" PRIs, |
- | |
180 | config.base, config.kernel_size, |
- | |
181 | config.stack_base, config.stack_size); |
- | |
182 | - | ||
183 | context_save(&ctx); |
176 | context_save(&ctx); |
184 | context_set(&ctx, FADDR(main_bsp_separated_stack), config.stack_base, |
177 | context_set(&ctx, FADDR(main_bsp_separated_stack), config.stack_base, |
185 | THREAD_STACK_SIZE); |
178 | THREAD_STACK_SIZE); |
186 | context_restore(&ctx); |
179 | context_restore(&ctx); |
187 | /* not reached */ |
180 | /* not reached */ |
Line 193... | Line 186... | ||
193 | * Second part of main_bsp(). |
186 | * Second part of main_bsp(). |
194 | * |
187 | * |
195 | */ |
188 | */ |
196 | void main_bsp_separated_stack(void) |
189 | void main_bsp_separated_stack(void) |
197 | { |
190 | { |
- | 191 | /* Keep this the first thing. */ |
|
- | 192 | the_initialize(THE); |
|
- | 193 | ||
198 | LOG(); |
194 | LOG(); |
199 | 195 | ||
200 | the_initialize(THE); |
196 | version_print(); |
- | 197 | ||
- | 198 | LOG("\nconfig.base=%#" PRIp " config.kernel_size=%" PRIs |
|
- | 199 | "\nconfig.stack_base=%#" PRIp " config.stack_size=%" PRIs, |
|
- | 200 | config.base, config.kernel_size, config.stack_base, |
|
- | 201 | config.stack_size); |
|
- | 202 | ||
201 | 203 | ||
202 | /* |
204 | /* |
203 | * kconsole data structures must be initialized very early |
205 | * kconsole data structures must be initialized very early |
204 | * because other subsystems will register their respective |
206 | * because other subsystems will register their respective |
205 | * commands. |
207 | * commands. |
Line 247... | Line 249... | ||
247 | LOG_EXEC(futex_init()); |
249 | LOG_EXEC(futex_init()); |
248 | 250 | ||
249 | if (init.cnt > 0) { |
251 | if (init.cnt > 0) { |
250 | count_t i; |
252 | count_t i; |
251 | for (i = 0; i < init.cnt; i++) |
253 | for (i = 0; i < init.cnt; i++) |
252 | printf("init[%" PRIc "].addr=%#" PRIp |
254 | printf("init[%" PRIc "].addr=%#" PRIp ", init[%" PRIc |
253 | ", init[%" PRIc "].size=%#" PRIs "\n", |
- | |
254 | i, init.tasks[i].addr, |
255 | "].size=%#" PRIs "\n", i, init.tasks[i].addr, |
255 | i, init.tasks[i].size); |
256 | i, init.tasks[i].size); |
256 | } else |
257 | } else |
257 | printf("No init binaries found\n"); |
258 | printf("No init binaries found\n"); |
258 | 259 | ||
259 | LOG_EXEC(ipc_init()); |
260 | LOG_EXEC(ipc_init()); |
Line 267... | Line 268... | ||
267 | panic("Can't create kernel task\n"); |
268 | panic("Can't create kernel task\n"); |
268 | 269 | ||
269 | /* |
270 | /* |
270 | * Create the first thread. |
271 | * Create the first thread. |
271 | */ |
272 | */ |
272 | thread_t *kinit_thread = thread_create(kinit, NULL, kernel, 0, "kinit", true); |
273 | thread_t *kinit_thread = thread_create(kinit, NULL, kernel, 0, "kinit", |
- | 274 | true); |
|
273 | if (!kinit_thread) |
275 | if (!kinit_thread) |
274 | panic("Can't create kinit thread\n"); |
276 | panic("Can't create kinit thread\n"); |
275 | LOG_EXEC(thread_ready(kinit_thread)); |
277 | LOG_EXEC(thread_ready(kinit_thread)); |
276 | 278 | ||
277 | /* |
279 | /* |