hw/m68k/next-cube: Move int_status and int_mask to NeXTPC struct

All the code which accesses int_status and int_mask is now doing
so via the NeXTPC->NeXTState indirection, so we can move these
fields into the NeXTPC struct where they belong.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20210115201206.17347-7-peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
This commit is contained in:
Peter Maydell 2021-01-15 20:12:01 +00:00 committed by Thomas Huth
parent b497f4a1f8
commit ac99317b5f

View File

@ -73,9 +73,6 @@ typedef struct NextRtc {
struct NeXTState {
MachineState parent;
uint32_t int_mask;
uint32_t int_status;
next_dma dma[10];
qemu_irq *scsi_irq;
qemu_irq scsi_dma;
@ -104,6 +101,8 @@ struct NeXTPC {
uint32_t scr2;
uint8_t scsi_csr_1;
uint8_t scsi_csr_2;
uint32_t int_mask;
uint32_t int_status;
};
/* Thanks to NeXT forums for this */
@ -244,7 +243,7 @@ static void nextscr2_write(NeXTPC *s, uint32_t val, int size)
/* clear FTU */
if (rtc->value & 0x04) {
rtc->status = rtc->status & (~0x18);
s->ns->int_status = s->ns->int_status & (~0x04);
s->int_status = s->int_status & (~0x04);
}
}
}
@ -303,12 +302,12 @@ static uint32_t mmio_readl(NeXTPC *s, hwaddr addr)
{
switch (addr) {
case 0x7000:
/* DPRINTF("Read INT status: %x\n", s->ns->int_status); */
return s->ns->int_status;
/* DPRINTF("Read INT status: %x\n", s->int_status); */
return s->int_status;
case 0x7800:
DPRINTF("MMIO Read INT mask: %x\n", s->ns->int_mask);
return s->ns->int_mask;
DPRINTF("MMIO Read INT mask: %x\n", s->int_mask);
return s->int_mask;
case 0xc000:
return s->scr1;
@ -343,12 +342,12 @@ static void mmio_writel(NeXTPC *s, hwaddr addr, uint32_t val)
{
switch (addr) {
case 0x7000:
DPRINTF("INT Status old: %x new: %x\n", s->ns->int_status, val);
s->ns->int_status = val;
DPRINTF("INT Status old: %x new: %x\n", s->int_status, val);
s->int_status = val;
break;
case 0x7800:
DPRINTF("INT Mask old: %x new: %x\n", s->ns->int_mask, val);
s->ns->int_mask = val;
DPRINTF("INT Mask old: %x new: %x\n", s->int_mask, val);
s->int_mask = val;
break;
case 0xc000:
DPRINTF("SCR1 Write: %x\n", val);
@ -505,9 +504,9 @@ static void scr_writeb(NeXTPC *s, hwaddr addr, uint32_t value)
DPRINTF("SCSICSR CPUDMA\n");
/* qemu_irq_raise(s->scsi_dma); */
s->ns->int_status |= 0x4000000;
s->int_status |= 0x4000000;
} else {
s->ns->int_status &= ~(0x4000000);
s->int_status &= ~(0x4000000);
}
if (value & SCSICSR_INTMASK) {
DPRINTF("SCSICSR INTMASK\n");
@ -799,14 +798,14 @@ static void next_irq(void *opaque, int number, int level)
* this HAS to be wrong, the interrupt handlers in mach and together
* int_status and int_mask and return if there is a hit
*/
if (s->ns->int_mask & (1 << shift)) {
if (s->int_mask & (1 << shift)) {
DPRINTF("%x interrupt masked @ %x\n", 1 << shift, cpu->env.pc);
/* return; */
}
/* second switch triggers the correct interrupt */
if (level) {
s->ns->int_status |= 1 << shift;
s->int_status |= 1 << shift;
switch (number) {
/* level 3 - floppy, kbd/mouse, power, ether rx/tx, scsi, clock */
@ -835,7 +834,7 @@ static void next_irq(void *opaque, int number, int level)
break;
}
} else {
s->ns->int_status &= ~(1 << shift);
s->int_status &= ~(1 << shift);
cpu_reset_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
}
}