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dsp: Implement GP memory register access

This commit is contained in:
Jannik Vogel 2018-07-21 23:19:15 +02:00 committed by Matt
parent 2543aaf615
commit 92af9ca78e
1 changed files with 56 additions and 1 deletions
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57
hw/xbox/mcpx_apu.c
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@ -65,6 +65,10 @@
#define NV_PAPU_GPSMAXSGE 0x000020D4
#define NV_PAPU_EPSMAXSGE 0x000020DC
#define NV_PAPU_GPXMEM 0x00000000
#define NV_PAPU_GPMIXBUF 0x00005000
#define NV_PAPU_GPYMEM 0x00006000
#define NV_PAPU_GPPMEM 0x0000A000
#define NV_PAPU_GPRST 0x0000FFFC
#define NV_PAPU_GPRST_GPRST (1 << 0)
#define NV_PAPU_GPRST_GPDSPRST (1 << 1)
@ -461,7 +465,35 @@ static uint64_t gp_read(void *opaque,
{
MCPXAPUState *d = opaque;
uint64_t r = d->gp.regs[addr];
assert(size == 4);
assert(addr % 4 == 0);
uint64_t r = 0;
switch (addr) {
case NV_PAPU_GPXMEM ... NV_PAPU_GPXMEM + 0x1000 * 4 - 1: {
uint32_t xaddr = (addr - NV_PAPU_GPXMEM) / 4;
r = dsp_read_memory(d->gp.dsp, 'X', xaddr);
break;
}
case NV_PAPU_GPMIXBUF ... NV_PAPU_GPMIXBUF + 0x400 * 4 - 1: {
uint32_t xaddr = (addr - NV_PAPU_GPMIXBUF) / 4;
r = dsp_read_memory(d->gp.dsp, 'X', 0x001400 + xaddr);
break;
}
case NV_PAPU_GPYMEM ... NV_PAPU_GPYMEM + 0x800 * 4 - 1: {
uint32_t yaddr = (addr - NV_PAPU_GPYMEM) / 4;
r = dsp_read_memory(d->gp.dsp, 'Y', yaddr);
break;
}
case NV_PAPU_GPPMEM ... NV_PAPU_GPPMEM + 0x1000 * 4 - 1: {
uint32_t paddr = (addr - NV_PAPU_GPPMEM) / 4;
r = dsp_read_memory(d->gp.dsp, 'P', paddr);
break;
}
default:
r = d->gp.regs[addr];
break;
}
MCPX_DPRINTF("mcpx apu GP: read [0x%llx] -> 0x%llx\n", addr, r);
return r;
}
@ -471,9 +503,32 @@ static void gp_write(void *opaque, hwaddr addr,
{
MCPXAPUState *d = opaque;
assert(size == 4);
assert(addr % 4 == 0);
MCPX_DPRINTF("mcpx apu GP: [0x%llx] = 0x%llx\n", addr, val);
switch (addr) {
case NV_PAPU_GPXMEM ... NV_PAPU_GPXMEM + 0x1000 * 4 - 1: {
uint32_t xaddr = (addr - NV_PAPU_GPXMEM) / 4;
dsp_write_memory(d->gp.dsp, 'X', xaddr, val);
break;
}
case NV_PAPU_GPMIXBUF ... NV_PAPU_GPMIXBUF + 0x400 * 4 - 1: {
uint32_t xaddr = (addr - NV_PAPU_GPMIXBUF) / 4;
dsp_write_memory(d->gp.dsp, 'X', 0x001400 + xaddr, val);
break;
}
case NV_PAPU_GPYMEM ... NV_PAPU_GPYMEM + 0x800 * 4 - 1: {
uint32_t yaddr = (addr - NV_PAPU_GPYMEM) / 4;
dsp_write_memory(d->gp.dsp, 'Y', yaddr, val);
break;
}
case NV_PAPU_GPPMEM ... NV_PAPU_GPPMEM + 0x1000 * 4 - 1: {
uint32_t paddr = (addr - NV_PAPU_GPPMEM) / 4;
dsp_write_memory(d->gp.dsp, 'P', paddr, val);
break;
}
case NV_PAPU_GPRST:
proc_rst_write(d->gp.dsp, d->gp.regs[NV_PAPU_GPRST], val);
d->gp.regs[NV_PAPU_GPRST] = val;