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Line 35... | Line 35... | ||
35 | #include <proc/scheduler.h> |
35 | #include <proc/scheduler.h> |
36 | #include <proc/thread.h> |
36 | #include <proc/thread.h> |
37 | #include <proc/task.h> |
37 | #include <proc/task.h> |
38 | #include <main/kinit.h> |
38 | #include <main/kinit.h> |
39 | #include <cpu.h> |
39 | #include <cpu.h> |
- | 40 | #include <align.h> |
|
40 | 41 | ||
41 | #ifdef __SMP__ |
42 | #ifdef __SMP__ |
42 | #include <arch/smp/apic.h> |
43 | #include <arch/smp/apic.h> |
43 | #include <arch/smp/mps.h> |
44 | #include <arch/smp/mps.h> |
44 | #endif /* __SMP__ */ |
45 | #endif /* __SMP__ */ |
Line 83... | Line 84... | ||
83 | /* |
84 | /* |
84 | * Size of heap. |
85 | * Size of heap. |
85 | */ |
86 | */ |
86 | static size_t heap_size; |
87 | static size_t heap_size; |
87 | 88 | ||
- | 89 | ||
88 | /* |
90 | /* |
89 | * Extra space on heap to make the stack start on page boundary. |
91 | * Extra space between heap and stack |
- | 92 | * enforced by alignment requirements. |
|
90 | */ |
93 | */ |
91 | static size_t heap_delta; |
94 | static size_t heap_delta; |
92 | 95 | ||
93 | void main_bsp(void); |
96 | void main_bsp(void); |
94 | void main_ap(void); |
97 | void main_ap(void); |
Line 115... | Line 118... | ||
115 | config.cpu_active = 1; |
118 | config.cpu_active = 1; |
116 | config.base = hardcoded_load_address; |
119 | config.base = hardcoded_load_address; |
117 | config.memory_size = get_memory_size(); |
120 | config.memory_size = get_memory_size(); |
118 | 121 | ||
119 | heap_size = CONFIG_HEAP_SIZE + (config.memory_size/FRAME_SIZE)*sizeof(frame_t); |
122 | heap_size = CONFIG_HEAP_SIZE + (config.memory_size/FRAME_SIZE)*sizeof(frame_t); |
120 | - | ||
121 | kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + heap_size; |
123 | kernel_size = ALIGN(hardcoded_ktext_size + hardcoded_kdata_size + heap_size, PAGE_SIZE); |
122 | heap_delta = PAGE_SIZE - ((hardcoded_load_address + kernel_size) % PAGE_SIZE); |
124 | heap_delta = kernel_size - (hardcoded_ktext_size + hardcoded_kdata_size + heap_size); |
123 | heap_delta = (heap_delta == PAGE_SIZE) ? 0 : heap_delta; |
- | |
124 | kernel_size += heap_delta; |
- | |
125 | 125 | ||
126 | config.kernel_size = kernel_size + CONFIG_STACK_SIZE; |
126 | config.kernel_size = kernel_size + CONFIG_STACK_SIZE; |
127 | 127 | ||
128 | context_save(&ctx); |
128 | context_save(&ctx); |
129 | early_mapping(config.base + hardcoded_ktext_size + hardcoded_kdata_size + heap_delta, CONFIG_STACK_SIZE + heap_size); |
129 | early_mapping(config.base + hardcoded_ktext_size + hardcoded_kdata_size, CONFIG_STACK_SIZE + heap_size + heap_delta); |
130 | context_set(&ctx, FADDR(main_bsp_separated_stack), config.base + kernel_size, CONFIG_STACK_SIZE); |
130 | context_set(&ctx, FADDR(main_bsp_separated_stack), config.base + kernel_size, CONFIG_STACK_SIZE); |
131 | context_restore(&ctx); |
131 | context_restore(&ctx); |
132 | /* not reached */ |
132 | /* not reached */ |
133 | } |
133 | } |
134 | 134 |