void arm_kernel_startup(void)
{
printf("arm_kernel_startup entered \n");
struct dcb *init_dcb;
if (hal_cpu_is_bsp()) {
printf("Doing BSP related bootup \n");
/* Initialize the location to allocate phys memory from */
bsp_init_alloc_addr = glbl_core_data->start_free_ram;
// Bring up init
init_dcb = spawn_bsp_init(BSP_INIT_MODULE_NAME, bsp_alloc_phys);
// Not available on PandaBoard? pit_start(0);
} else {
printf("Doing non-BSP related bootup \n");
/* Initialize the allocator with the information passed to us */
app_alloc_phys_start = glbl_core_data->memory_base_start;
app_alloc_phys_end = app_alloc_phys_start
+ ((lpaddr_t)1 <<glbl_core_data->memory_bits);
init_dcb = spawn_app_init(glbl_core_data, APP_INIT_MODULE_NAME, app_alloc_phys);
#ifndef __ARM_ARCH_7M__ //armv7-m does not use a gic and can not acknowledge interrupts
uint32_t irq = gic_get_active_irq();
gic_ack_irq(irq);
#endif
}
/* printf("Trying to enable interrupts\n"); */
/* __asm volatile ("CPSIE aif"); // Enable interrups */
/* printf("Done enabling interrupts\n"); */
/* printf("HOLD BOOTUP - SPINNING\n"); */
/* while (1); */
/* printf("THIS SHOULD NOT HAPPEN\n"); */
// enable interrupt forwarding to cpu
// FIXME: PS: enable this as it is needed for multicore setup.
// gic_cpu_interface_enable();
// Should not return
printf("Calling dispatch from arm_kernel_startup, start address is=%"PRIxLVADDR"\n",
get_dispatcher_shared_arm(init_dcb->disp)->enabled_save_area.named.r0);
dispatch(init_dcb);
panic("Error spawning init!");
}
void arm_kernel_startup(void *pointer)
{
/* Initialize the core_data */
/* Used when bringing up other cores, must be at consistent global address
* seen by all cores */
// Initialize system timers
timers_init(config_timeslice);
struct dcb *init_dcb;
if (cpu_is_bsp()) {
MSG("Doing BSP related bootup \n");
/* Initialize the location to allocate phys memory from */
printf("start_free_ram = 0x%lx\n", armv8_glbl_core_data->start_free_ram);
bsp_init_alloc_addr = armv8_glbl_core_data->start_free_ram;
/* allocate initial KCB */
kcb_current= (struct kcb *)local_phys_to_mem(
bsp_alloc_phys(sizeof(*kcb_current)));
assert(kcb_current);
memset(kcb_current, 0, sizeof(*kcb_current));
init_dcb = spawn_bsp_init(BSP_INIT_MODULE_NAME);
platform_gic_init();
// pit_start(0);
} else {
MSG("Doing non-BSP related bootup \n");
struct armv8_core_data *core_data = (struct armv8_core_data *)pointer;
my_core_id = core_data->dst_core_id;
/* Initialize the allocator */
app_alloc_phys_start = (core_data->memory.base);
app_alloc_phys_end = (core_data->memory.length + app_alloc_phys_start);
MSG("Memory: %lx, %lx, size=%zu kB\n", app_alloc_phys_start, app_alloc_phys_end,
(app_alloc_phys_end - app_alloc_phys_start + 1) >> 10);
kcb_current= (struct kcb *)local_phys_to_mem(core_data->kcb);
init_dcb = spawn_app_init(core_data, APP_INIT_MODULE_NAME);
// uint32_t irq = gic_get_active_irq();
// gic_ack_irq(irq);
}
// enable interrupt forwarding to cpu
platform_gic_cpu_interface_enable();
MSG("Calling dispatch from arm_kernel_startup, entry point %#"PRIxLVADDR"\n",
get_dispatcher_shared_aarch64(init_dcb->disp)->disabled_save_area.named.pc);
// Should not return
dispatch(init_dcb);
panic("Error spawning init!");
}
void arm_kernel_startup(void)
{
printf("arm_kernel_startup entered \n");
/* Initialize the core_data */
/* Used when bringing up other cores, must be at consistent global address
* seen by all cores */
struct arm_core_data *core_data
= (void *)((lvaddr_t)&kernel_first_byte - BASE_PAGE_SIZE);
struct dcb *init_dcb;
if(hal_cpu_is_bsp())
{
printf("Doing BSP related bootup \n");
/* Initialize the location to allocate phys memory from */
bsp_init_alloc_addr = glbl_core_data->start_free_ram;
// Bring up init
init_dcb = spawn_bsp_init(BSP_INIT_MODULE_NAME, bsp_alloc_phys);
// Not available on PandaBoard? pit_start(0);
}
else
{
printf("Doing non-BSP related bootup \n");
my_core_id = core_data->dst_core_id;
/* Initialize the allocator */
app_alloc_phys_start = core_data->memory_base_start;
app_alloc_phys_end = ((lpaddr_t)1 << core_data->memory_bits) +
app_alloc_phys_start;
init_dcb = spawn_app_init(core_data, APP_INIT_MODULE_NAME, app_alloc_phys);
uint32_t irq = gic_get_active_irq();
gic_ack_irq(irq);
}
/* printf("Trying to enable interrupts\n"); */
/* __asm volatile ("CPSIE aif"); // Enable interrups */
/* printf("Done enabling interrupts\n"); */
/* printf("HOLD BOOTUP - SPINNING\n"); */
/* while (1); */
/* printf("THIS SHOULD NOT HAPPEN\n"); */
// enable interrupt forwarding to cpu
// FIXME: PS: enable this as it is needed for multicore setup.
// gic_cpu_interface_enable();
// Should not return
printf("Calling dispatch from arm_kernel_startup, start address is=%"PRIxLVADDR"\n",
get_dispatcher_shared_arm(init_dcb->disp)->enabled_save_area.named.r0);
dispatch(init_dcb);
panic("Error spawning init!");
}
