static INLINE
void drawpixel(int x,int y,GrxColor color)
{
GR_int32u offs;
char *p0,*p1,*p2;
GRX_ENTER();
offs = FOFS(x,y,CURC->gc_line_offset);
p0 = &CURC->gc_base_address.plane0[offs];
p1 = &CURC->gc_base_address.plane1[offs];
p2 = &CURC->gc_base_address.plane2[offs];
switch(C_OPER(color)) {
case C_XOR: poke_b_xor(p0,RD24BYTE(color,0));
poke_b_xor(p1,RD24BYTE(color,1));
poke_b_xor(p2,RD24BYTE(color,2));
break;
case C_OR: poke_b_or(p0,RD24BYTE(color,0));
poke_b_or(p1,RD24BYTE(color,1));
poke_b_or(p2,RD24BYTE(color,2));
break;
case C_AND: poke_b_and(p0,RD24BYTE(color,0));
poke_b_and(p1,RD24BYTE(color,1));
poke_b_and(p2,RD24BYTE(color,2));
break;
default: poke_b(p0,RD24BYTE(color,0));
poke_b(p1,RD24BYTE(color,1));
poke_b(p2,RD24BYTE(color,2));
break;
}
GRX_LEAVE();
}
static void swapbytes(GR_int8 *b1, GR_int8 *b2) {
GR_int8 b;
GRX_ENTER();
b = peek_b(b1);
poke_b(b1, peek_b(b2));
poke_b(b2, b);
GRX_LEAVE();
}
void test_isr_2_process_2(PROCESS self, PARAM param)
{
/* screen_offset points to the "Z" of process 2 */
MEM_ADDR screen_offset = 0xb8000 + 5 * 160 + 2 * 11;
while (42) {
if (test_isr_2_check_sum == 80000)
return_to_boot();
test_isr_2_check_sum ++;
poke_b(screen_offset, peek_b(screen_offset) + 1);
}
}
void dummy_timer_isr ()
{
/*
* push %eax ; Push context
* push %ecx
* push %edx
* push %ebx
* push %ebp
* push %esi
* push %edi
*/
asm ("timer_isr:");
asm ("push %eax");
asm ("push %ecx");
asm ("push %edx");
asm ("push %ebx");
asm ("push %ebp");
asm ("push %esi");
asm ("push %edi");
if (!counter--) {
counter = 20;
poke_b(screen_offset_for_timer_isr,
peek_b(screen_offset_for_timer_isr) + 1);
check_sum ++;
}
/*
* movb $0x20,%al ; Reset interrupt controller
* outb %al,$0x20
* pop %edi ; Restore previously saved context
* pop %esi
* pop %ebp
* pop %ebx
* pop %edx
* pop %ecx
* pop %eax
* iret ; Return to interrupted program
*/
asm ("movb $0x20,%al");
asm ("outb %al,$0x20");
asm ("pop %edi");
asm ("pop %esi");
asm ("pop %ebp");
asm ("pop %ebx");
asm ("pop %edx");
asm ("pop %ecx");
asm ("pop %eax");
asm ("iret");
}
void test_isr_1()
{
MEM_ADDR screen_offset_for_boot_proc = 0xb8000 + 4 * 160 + 2 * 11;
volatile int flag;
test_reset();
check_sum = 0;
init_interrupts();
DISABLE_INTR(flag);
init_idt_entry(TIMER_IRQ, timer_isr);
kprintf("=== test_isr_1 === \n");
kprintf("This test will take a while.\n\n");
kprintf("Timer ISR: A\n");
kprintf("Boot proc: Z\n");
ENABLE_INTR(flag);
int i;
for (i = 1; i < 700000; i++)
poke_b(screen_offset_for_boot_proc,
peek_b(screen_offset_for_boot_proc) + 1);
if (check_sum == 0)
test_failed(70);
}
