// NMI handler
void VISIBLE16
-handle_02()
+handle_02(void)
{
debug_isr(DEBUG_ISR_02);
}
void
-mathcp_setup()
+mathcp_setup(void)
{
dprintf(3, "math cp init\n");
// 80x87 coprocessor installed
SETBITS_BDA(equipment_list_flags, 0x02);
- enable_hwirq(13, entry_75);
+ enable_hwirq(13, FUNC16(entry_75));
}
// INT 75 - IRQ13 - MATH COPROCESSOR EXCEPTION
void VISIBLE16
-handle_75()
+handle_75(void)
{
debug_isr(DEBUG_ISR_75);
* GDT and IDT tables
****************************************************************/
-struct descloc_s {
- u16 length;
- u32 addr;
-} PACKED;
-
// Real mode IDT descriptor
struct descloc_s rmode_IDT_info VAR16VISIBLE = {
.length = sizeof(struct rmode_IVT) - 1,
// First entry can't be used.
0x0000000000000000LL,
// 32 bit flat code segment (SEG32_MODE32_CS)
- GDT_LIMIT(0xfffff) | GDT_CODE | GDT_B | GDT_G,
+ GDT_GRANLIMIT(0xffffffff) | GDT_CODE | GDT_B,
// 32 bit flat data segment (SEG32_MODE32_DS)
- GDT_LIMIT(0xfffff) | GDT_DATA | GDT_B | GDT_G,
+ GDT_GRANLIMIT(0xffffffff) | GDT_DATA | GDT_B,
// 16 bit code segment base=0xf0000 limit=0xffff (SEG32_MODE16_CS)
- GDT_LIMIT(0x0ffff) | GDT_CODE | GDT_BASE(0xf0000),
+ GDT_LIMIT(BUILD_BIOS_SIZE-1) | GDT_CODE | GDT_BASE(BUILD_BIOS_ADDR),
// 16 bit data segment base=0x0 limit=0xffff (SEG32_MODE16_DS)
GDT_LIMIT(0x0ffff) | GDT_DATA,
- // 16 bit code segment base=0 limit=0xffffffff (SEG32_MODE16BIG_CS)
- GDT_LIMIT(0xfffff) | GDT_CODE | GDT_G,
+ // 16 bit code segment base=0xf0000 limit=0xffffffff (SEG32_MODE16BIG_CS)
+ GDT_GRANLIMIT(0xffffffff) | GDT_CODE | GDT_BASE(BUILD_BIOS_ADDR),
// 16 bit data segment base=0 limit=0xffffffff (SEG32_MODE16BIG_DS)
- GDT_LIMIT(0xfffff) | GDT_DATA | GDT_G,
+ GDT_GRANLIMIT(0xffffffff) | GDT_DATA,
};
// GDT descriptor