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Diffstat (limited to 'kernel')
-rw-r--r--kernel/interrupts.c2
-rw-r--r--kernel/kernel.c14
-rw-r--r--kernel/task.c12
3 files changed, 10 insertions, 18 deletions
diff --git a/kernel/interrupts.c b/kernel/interrupts.c
index 348972e..e67e74d 100644
--- a/kernel/interrupts.c
+++ b/kernel/interrupts.c
@@ -48,7 +48,7 @@ void int_def_handler()
{
X86_IRQ_BEGIN
- int_unhandled++;
+ panic(FOOLOS_MODULE_NAME,"unhandled EXCEPTION!");
X86_IRQ_END
}
diff --git a/kernel/kernel.c b/kernel/kernel.c
index 3eebef6..287a62a 100644
--- a/kernel/kernel.c
+++ b/kernel/kernel.c
@@ -24,12 +24,6 @@ void int_floppy_handler();
uint32_t read_eip();
-void int_unhandled()
-{
- X86_IRQ_BEGIN
- panic(FOOLOS_MODULE_NAME,"unhandled EXCEPTION!");
- X86_IRQ_END
-}
void int_irq0(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Divide by 0"); X86_IRQ_END }
void int_irq1(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Single step (debugger)"); X86_IRQ_END }
@@ -99,11 +93,11 @@ void kernel_main(uint32_t initial_stack)
//
uint32_t vesa_physbase=vesa_init(0x8300,0x8400,0x7200);
+ // initial stack
log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"initial esp: 0x%08X",initial_stack);
// PIT config (timer)
timer_init();
-
// we know that here, the bootloader placed the mamory map!
mem_init(0x7c00+0x400,*((uint16_t *)(0x7c00+0x600)));
@@ -134,8 +128,6 @@ void kernel_main(uint32_t initial_stack)
// install floppy interrupt handler
int_install_ir(38, 0b10001110, 0x08,&int_floppy_handler);
- // install test software interrupt handler
- int_install_ir(88, 0b10001110, 0x08,&int_unhandled);
// exceptions
int_install_ir(0, 0b10001110, 0x08,&int_irq0);
@@ -167,14 +159,14 @@ void kernel_main(uint32_t initial_stack)
pci_init();
// floppy
- floppy_init();
-
+ floppy_init();
//init shell
shell_init();
// multitasking
task_init();
+
/*
log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"test mem");
diff --git a/kernel/task.c b/kernel/task.c
index 8884079..df9367d 100644
--- a/kernel/task.c
+++ b/kernel/task.c
@@ -9,14 +9,14 @@ int started;
void task_test1()
{
- uint8_t c1;
+ uint16_t c1;
while(1)
{
c1++;
asm("cli");
- PutString("task1: %03d", 0,560,0xffffff, c1);
+ PutString("task1: %03d", 0,560,0xffffff, c1/100);
asm("sti");
}
@@ -25,13 +25,13 @@ void task_test1()
void task_test2()
{
- uint8_t c2;
+ uint16_t c2;
while(1)
{
c2++;
asm("cli");
- PutString("task2: %03d", 0,580,0xffffff, c2);
+ PutString("task2: %03d", 0,580,0xffffff, c2/100);
asm("sti");
}
@@ -105,7 +105,7 @@ uint32_t task_switch_next(uint32_t oldesp)
}
uint32_t esp=0;
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"oldesp: 0x%08X saved / next task: %d (esp: 0x%08X) ",oldesp, CurrentTask,Threads[CurrentTask].esp0);
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"oldesp: 0x%08X saved / next task: %d (esp: 0x%08X) ",oldesp, CurrentTask,Threads[CurrentTask].esp0);
return Threads[CurrentTask].esp0; //Return new stack pointer to ASM
}
@@ -123,10 +123,10 @@ void stack_trace(uint32_t *stack,int size)
void task_init()
{
- started=0xabcde;
log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"init multitasking.");
task_create(0,task_test1);
task_create(1,task_test2);
+ started=0xabcde;
}