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#include <cpu/irq.h>
#include <drivers/uart.h>
#include <globals.h>
#include <graphics/drawer.h>
#include <graphics/lfb.h>
#include <lib/mem.h>
#include <lib/q.h>
#include <lib/strings.h>
#include <symbols.h>
#include <sys/core.h>
#include <sys/power.h>
#include <sys/schedule.h>
#include <sys/timer.h>
#include <util/mutex.h>
#include <util/status.h>
#include <util/time.h>
void testlocal(void);
void testnew(void);
void __attribute__((naked)) usr_schedule(void);
// Initialize IRQs
void sysinit(void)
{
// Clear System Globals
exe_cnt_m.addr = &exe_cnt;
exe_cnt_m.pid = NULL_PID;
rpi_heap_top = &rpi_heap;
stimeh = *(unsigned long*)SYS_TIMER_CHI;
stimel = *(unsigned long*)SYS_TIMER_CLO;
*(unsigned long*) SYS_TIMER_C0 = 60000000 + stimeh; // 60 second trigger
///...
// Route GPU interrupts to Core 0
store32(0x00, GPU_INTERRUPTS_ROUTING);
// Mask Overrun of UART0
store32(1<<4, UART0_IMSC);
// Enable UART GPU IRQ
store32(1<<25, IRQ_ENABLE2);
// Enable Timer
// As an IRQ
store32(1<<0, IRQ_BASIC_ENABLE);
// Get the frequency
cntfrq = read_cntfrq();
// Clear cntv interrupt and set next 1 second timer
write_cntv_tval(cntfrq);
//// Route timer to core0 irq
//routing_core0cntv_to_core0irq();
// Route timer to core0 fiq
routing_core0cntv_to_core0fiq();
// Enable timer
enablecntv();
// Enable system timer
store32(SYS_TIMER_SC_M0, IRQ_ENABLE1);
// Graphics Initialize
lfb_init();
lfb_showpicture();
// Start Scheduler
init_scheduler();
// Enable IRQ & FIQ
enableirq();
enablefiq();
add_thread(testlocal, 0, 0);
add_thread(testlocal, 0, 1);
add_thread(testlocal, 0, 1);
add_thread(testlocal, 0, 3);
add_thread(testlocal, 0, 5);
add_thread(testnew, 0, 4);
uart_scheduler();
}
void testlocal(void)
{
uart_string("Ran thread!\n");
if (scheduler.rthread->pid == 4) {
add_thread(testlocal, 0, 0);
//uart_scheduler();
}
uart_hexn((unsigned long)getsp());
uart_string("Exiting thread!\n");
}
void testnew(void)
{
uart_string("Ran special\n");
add_thread(testlocal, 0, 0);
usr_schedule();
uart_string("Finish special!\n");
}
void __attribute__((naked)) usr_schedule(void)
{
asm volatile ("svc #2");
}
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