Rev 4065 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 4065 | Rev 4130 | ||
|---|---|---|---|
| Line 31... | Line 31... | ||
| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | #include <arch.h> |
35 | #include <arch.h> |
| 36 | #include <debug.h> |
- | |
| 37 | #include <config.h> |
- | |
| 38 | #include <arch/trap/trap.h> |
- | |
| 39 | #include <arch/console.h> |
- | |
| 40 | #include <proc/thread.h> |
- | |
| 41 | #include <console/console.h> |
- | |
| 42 | #include <arch/boot/boot.h> |
36 | #include <arch/boot/boot.h> |
| 43 | #include <arch/arch.h> |
- | |
| 44 | #include <arch/asm.h> |
- | |
| 45 | #include <arch/mm/page.h> |
- | |
| 46 | #include <arch/stack.h> |
- | |
| 47 | #include <arch/sun4v/md.h> |
37 | #include <arch/sun4v/md.h> |
| 48 | #include <genarch/ofw/ofw_tree.h> |
- | |
| 49 | #include <userspace.h> |
- | |
| 50 | #include <ddi/irq.h> |
- | |
| 51 | #include <print.h> |
- | |
| 52 | 38 | ||
| 53 | bootinfo_t bootinfo; |
- | |
| 54 | 39 | ||
| 55 | /** Perform sparc64 specific initialization before main_bsp() is called. */ |
40 | /** Perform sparc64 specific initialization before main_bsp() is called. */ |
| 56 | void arch_pre_main(void) |
41 | void arch_pre_main(void) |
| 57 | { |
42 | { |
| 58 | /* Copy init task info. */ |
43 | /* Copy init task info. */ |
| Line 65... | Line 50... | ||
| 65 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
50 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
| 66 | } |
51 | } |
| 67 | md_init(); |
52 | md_init(); |
| 68 | } |
53 | } |
| 69 | 54 | ||
| 70 | /** Perform sparc64 specific initialization before mm is initialized. */ |
- | |
| 71 | void arch_pre_mm_init(void) |
- | |
| 72 | { |
- | |
| 73 | if (config.cpu_active == 1) |
- | |
| 74 | trap_init(); |
- | |
| 75 | } |
- | |
| 76 | - | ||
| 77 | /** Perform sparc64 specific initialization afterr mm is initialized. */ |
- | |
| 78 | void arch_post_mm_init(void) |
- | |
| 79 | { |
- | |
| 80 | if (config.cpu_active == 1) { |
- | |
| 81 | /* |
- | |
| 82 | * We have 2^11 different interrupt vectors. |
- | |
| 83 | * But we only create 128 buckets. |
- | |
| 84 | */ |
- | |
| 85 | irq_init(1 << 11, 128); |
- | |
| 86 | } |
- | |
| 87 | - | ||
| 88 | standalone_sparc64_console_init(); |
- | |
| 89 | } |
- | |
| 90 | - | ||
| 91 | void arch_post_cpu_init(void) |
- | |
| 92 | { |
- | |
| 93 | } |
- | |
| 94 | - | ||
| 95 | void arch_pre_smp_init(void) |
- | |
| 96 | { |
- | |
| 97 | } |
- | |
| 98 | - | ||
| 99 | void arch_post_smp_init(void) |
- | |
| 100 | { |
- | |
| 101 | static thread_t *t = NULL; |
- | |
| 102 | - | ||
| 103 | - | ||
| 104 | if (!t) { |
- | |
| 105 | /* |
- | |
| 106 | * Create thread that polls keyboard. |
- | |
| 107 | */ |
- | |
| 108 | t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
- | |
| 109 | if (!t) |
- | |
| 110 | panic("cannot create kkbdpoll\n"); |
- | |
| 111 | thread_ready(t); |
- | |
| 112 | } |
- | |
| 113 | } |
- | |
| 114 | - | ||
| 115 | /** Calibrate delay loop. |
- | |
| 116 | * |
- | |
| 117 | * On sparc64, we implement delay() by waiting for the TICK register to |
- | |
| 118 | * reach a pre-computed value, as opposed to performing some pre-computed |
- | |
| 119 | * amount of instructions of known duration. We set the delay_loop_const |
- | |
| 120 | * to 1 in order to neutralize the multiplication done by delay(). |
- | |
| 121 | */ |
- | |
| 122 | void calibrate_delay_loop(void) |
- | |
| 123 | { |
- | |
| 124 | CPU->delay_loop_const = 1; |
- | |
| 125 | } |
- | |
| 126 | - | ||
| 127 | /** Wait several microseconds. |
- | |
| 128 | * |
- | |
| 129 | * We assume that interrupts are already disabled. |
- | |
| 130 | * |
- | |
| 131 | * @param t Microseconds to wait. |
- | |
| 132 | */ |
- | |
| 133 | void asm_delay_loop(const uint32_t usec) |
- | |
| 134 | { |
- | |
| 135 | uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t) |
- | |
| 136 | CPU->arch.clock_frequency / 1000000; |
- | |
| 137 | - | ||
| 138 | while (tick_read() < stop) |
- | |
| 139 | ; |
- | |
| 140 | } |
- | |
| 141 | - | ||
| 142 | /** Switch to userspace. */ |
- | |
| 143 | void userspace(uspace_arg_t *kernel_uarg) |
- | |
| 144 | { |
- | |
| 145 | switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
- | |
| 146 | ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE |
- | |
| 147 | - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS), |
- | |
| 148 | (uintptr_t) kernel_uarg->uspace_uarg); |
- | |
| 149 | - | ||
| 150 | for (;;) |
- | |
| 151 | ; |
- | |
| 152 | /* not reached */ |
- | |
| 153 | } |
- | |
| 154 | - | ||
| 155 | void arch_reboot(void) |
- | |
| 156 | { |
- | |
| 157 | // TODO |
- | |
| 158 | while (1); |
- | |
| 159 | } |
- | |
| 160 | - | ||
| 161 | /** @} |
55 | /** @} |
| 162 | */ |
56 | */ |