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Xenia-Canary/src/xenia/kernel/xboxkrnl_video.cc
Ben Vanik 3a197705bb Special memory functions for system allocs.
2015-03-28 15:54:44 -07:00

488 lines
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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/common.h"
#include "xenia/cpu/cpu.h"
#include "xenia/emulator.h"
#include "xenia/gpu/graphics_system.h"
#include "xenia/gpu/xenos.h"
#include "xenia/kernel/kernel_state.h"
#include "xenia/kernel/util/shim_utils.h"
#include "xenia/kernel/xboxkrnl_private.h"
#include "xenia/kernel/xboxkrnl_rtl.h"
#include "xenia/xbox.h"
namespace xe {
namespace kernel {
using xe::gpu::GraphicsSystem;
// http://www.tweakoz.com/orkid/
// http://www.tweakoz.com/orkid/dox/d3/d52/xb360init_8cpp_source.html
// https://github.com/Free60Project/xenosfb/
// https://github.com/Free60Project/xenosfb/blob/master/src/xe.h
// https://github.com/gligli/libxemit
// http://web.archive.org/web/20090428095215/http://msdn.microsoft.com/en-us/library/bb313877.aspx
// http://web.archive.org/web/20100423054747/http://msdn.microsoft.com/en-us/library/bb313961.aspx
// http://web.archive.org/web/20100423054747/http://msdn.microsoft.com/en-us/library/bb313878.aspx
// http://web.archive.org/web/20090510235238/http://msdn.microsoft.com/en-us/library/bb313942.aspx
// http://svn.dd-wrt.com/browser/src/linux/universal/linux-3.8/drivers/gpu/drm/radeon/radeon_ring.c
// http://www.microsoft.com/en-za/download/details.aspx?id=5313 -- "Stripped
// Down Direct3D: Xbox 360 Command Buffer and Resource Management"
SHIM_CALL VdGetCurrentDisplayGamma_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t arg0_ptr = SHIM_GET_ARG_32(0);
uint32_t arg1_ptr = SHIM_GET_ARG_32(1);
XELOGD("VdGetCurrentDisplayGamma(%.8X, %.8X)", arg0_ptr, arg1_ptr);
SHIM_SET_MEM_32(arg0_ptr, 2);
SHIM_SET_MEM_F32(arg1_ptr, 2.22222233f);
}
SHIM_CALL VdGetCurrentDisplayInformation_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t ptr = SHIM_GET_ARG_32(0);
XELOGD("VdGetCurrentDisplayInformation(%.8X)", ptr);
// Expecting a length 0x58 struct of stuff.
SHIM_SET_MEM_32(ptr + 0, (1280 << 16) | 720);
SHIM_SET_MEM_32(ptr + 4, 0);
SHIM_SET_MEM_32(ptr + 8, 0);
SHIM_SET_MEM_32(ptr + 12, 0);
SHIM_SET_MEM_32(ptr + 16, 1280); // backbuffer width?
SHIM_SET_MEM_32(ptr + 20, 720); // backbuffer height?
SHIM_SET_MEM_32(ptr + 24, 1280);
SHIM_SET_MEM_32(ptr + 28, 720);
SHIM_SET_MEM_32(ptr + 32, 1);
SHIM_SET_MEM_32(ptr + 36, 0);
SHIM_SET_MEM_32(ptr + 40, 0);
SHIM_SET_MEM_32(ptr + 44, 0);
SHIM_SET_MEM_32(ptr + 48, 1);
SHIM_SET_MEM_32(ptr + 52, 0);
SHIM_SET_MEM_32(ptr + 56, 0);
SHIM_SET_MEM_32(ptr + 60, 0);
SHIM_SET_MEM_32(ptr + 64, 0x014000B4); // ?
SHIM_SET_MEM_32(ptr + 68, 0x014000B4); // ?
SHIM_SET_MEM_32(ptr + 72, (1280 << 16) | 720); // actual display size?
SHIM_SET_MEM_32(ptr + 76, 0x42700000);
SHIM_SET_MEM_32(ptr + 80, 0);
SHIM_SET_MEM_32(ptr + 84, 1280); // display width
}
SHIM_CALL VdQueryVideoFlags_shim(PPCContext* ppc_state, KernelState* state) {
XELOGD("VdQueryVideoFlags()");
SHIM_SET_RETURN_64(0x00000006);
}
void xeVdQueryVideoMode(X_VIDEO_MODE* video_mode) {
if (video_mode == NULL) {
return;
}
// TODO: get info from actual display
video_mode->display_width = 1280;
video_mode->display_height = 720;
video_mode->is_interlaced = 0;
video_mode->is_widescreen = 1;
video_mode->is_hi_def = 1;
video_mode->refresh_rate = 60.0f;
video_mode->video_standard = 1; // NTSC
video_mode->unknown_0x8a = 0x94; // 0x8A;
video_mode->unknown_0x01 = 0x01;
video_mode->reserved[0] = video_mode->reserved[1] = video_mode->reserved[2] =
0;
}
SHIM_CALL VdQueryVideoMode_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t video_mode_ptr = SHIM_GET_ARG_32(0);
X_VIDEO_MODE* video_mode = (X_VIDEO_MODE*)SHIM_MEM_ADDR(video_mode_ptr);
XELOGD("VdQueryVideoMode(%.8X)", video_mode_ptr);
xeVdQueryVideoMode(video_mode);
}
SHIM_CALL VdSetDisplayMode_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t mode = SHIM_GET_ARG_32(0);
// 40000000
XELOGD("VdSetDisplayMode(%.8X)", mode);
SHIM_SET_RETURN_64(0);
}
SHIM_CALL VdSetDisplayModeOverride_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t unk0 = SHIM_GET_ARG_32(0);
uint32_t unk1 = SHIM_GET_ARG_32(1);
double refresh_rate = ppc_state->f[1]; // 0, 50, 59.9, etc.
uint32_t unk3 = SHIM_GET_ARG_32(2);
uint32_t unk4 = SHIM_GET_ARG_32(3);
// TODO(benvanik): something with refresh rate?
XELOGD("VdSetDisplayModeOverride(%.8X, %.8X, %g, %.8X, %.8X)", unk0, unk1,
refresh_rate, unk3, unk4);
SHIM_SET_RETURN_64(0);
}
SHIM_CALL VdInitializeEngines_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t unk0 = SHIM_GET_ARG_32(0);
uint32_t callback = SHIM_GET_ARG_32(1);
uint32_t unk1 = SHIM_GET_ARG_32(2);
uint32_t unk2_ptr = SHIM_GET_ARG_32(3);
uint32_t unk3_ptr = SHIM_GET_ARG_32(4);
XELOGD("VdInitializeEngines(%.8X, %.8X, %.8X, %.8X, %.8X)", unk0, callback,
unk1, unk2_ptr, unk3_ptr);
// r3 = 0x4F810000
// r4 = function ptr (cleanup callback?)
// r5 = 0
// r6/r7 = some binary data in .data
}
SHIM_CALL VdShutdownEngines_shim(PPCContext* ppc_state, KernelState* state) {
XELOGD("VdShutdownEngines()");
// Ignored for now.
// Games seem to call an Initialize/Shutdown pair to query info, then
// re-initialize.
}
SHIM_CALL VdGetGraphicsAsicID_shim(PPCContext* ppc_state, KernelState* state) {
XELOGD("VdGetGraphicsAsicID()");
// Games compare for < 0x10 and do VdInitializeEDRAM, else other
// (retrain/etc).
SHIM_SET_RETURN_64(0x11);
}
SHIM_CALL VdEnableDisableClockGating_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t enabled = SHIM_GET_ARG_32(0);
XELOGD("VdEnableDisableClockGating(%d)", enabled);
// Ignored, as it really doesn't matter.
SHIM_SET_RETURN_64(0);
}
SHIM_CALL VdSetGraphicsInterruptCallback_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t callback = SHIM_GET_ARG_32(0);
uint32_t user_data = SHIM_GET_ARG_32(1);
XELOGD("VdSetGraphicsInterruptCallback(%.8X, %.8X)", callback, user_data);
GraphicsSystem* gs = state->emulator()->graphics_system();
if (!gs) {
return;
}
// callback takes 2 params
// r3 = bool 0/1 - 0 is normal interrupt, 1 is some acquire/lock mumble
// r4 = user_data (r4 of VdSetGraphicsInterruptCallback)
gs->SetInterruptCallback(callback, user_data);
}
SHIM_CALL VdInitializeRingBuffer_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t ptr = SHIM_GET_ARG_32(0);
uint32_t page_count = SHIM_GET_ARG_32(1);
XELOGD("VdInitializeRingBuffer(%.8X, %.8X)", ptr, page_count);
GraphicsSystem* gs = state->emulator()->graphics_system();
if (!gs) {
return;
}
// r3 = result of MmGetPhysicalAddress
// r4 = number of pages? page size?
// 0x8000 -> cntlzw=16 -> 0x1C - 16 = 12
// Buffer pointers are from MmAllocatePhysicalMemory with WRITE_COMBINE.
// Sizes could be zero? XBLA games seem to do this. Default sizes?
// D3D does size / region_count - must be > 1024
gs->InitializeRingBuffer(ptr, page_count);
}
SHIM_CALL VdEnableRingBufferRPtrWriteBack_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t ptr = SHIM_GET_ARG_32(0);
uint32_t block_size = SHIM_GET_ARG_32(1);
XELOGD("VdEnableRingBufferRPtrWriteBack(%.8X, %.8X)", ptr, block_size);
GraphicsSystem* gs = state->emulator()->graphics_system();
if (!gs) {
return;
}
// r4 = 6, usually --- <=19
gs->EnableReadPointerWriteBack(ptr, block_size);
ptr += 0x20000000;
// printf("%.8X", ptr);
// 0x0110343c
// r3 = 0x2B10(d3d?) + 0x3C
//((p + 0x3C) & 0x1FFFFFFF) + ((((p + 0x3C) >> 20) + 0x200) & 0x1000)
// also 0x3C offset into WriteBacks is PrimaryRingBufferReadIndex
//(1:17:38 AM) Rick: .text:8201B348 lwz r11, 0x2B10(r31)
//(1:17:38 AM) Rick: .text:8201B34C addi r11, r11, 0x3C
//(1:17:38 AM) Rick: .text:8201B350 srwi r10, r11, 20 #
// r10 = r11 >> 20
//(1:17:38 AM) Rick: .text:8201B354 clrlwi r11, r11, 3 #
// r11 = r11 & 0x1FFFFFFF
//(1:17:38 AM) Rick: .text:8201B358 addi r10, r10, 0x200
//(1:17:39 AM) Rick: .text:8201B35C rlwinm r10, r10,
// 0,19,19 # r10 = r10 & 0x1000
//(1:17:39 AM) Rick: .text:8201B360 add r3, r10, r11
//(1:17:39 AM) Rick: .text:8201B364 bl
// VdEnableRingBufferRPtrWriteBack
// TODO(benvanik): something?
}
SHIM_CALL VdGetSystemCommandBuffer_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t p0_ptr = SHIM_GET_ARG_32(0);
uint32_t p1_ptr = SHIM_GET_ARG_32(1);
XELOGD("VdGetSystemCommandBuffer(%.8X, %.8X)", p0_ptr, p1_ptr);
SHIM_SET_MEM_32(p0_ptr, 0xBEEF0000);
SHIM_SET_MEM_32(p1_ptr, 0xBEEF0001);
}
SHIM_CALL VdSetSystemCommandBufferGpuIdentifierAddress_shim(
PPCContext* ppc_state, KernelState* state) {
uint32_t unk = SHIM_GET_ARG_32(0);
XELOGD("VdSetSystemCommandBufferGpuIdentifierAddress(%.8X)", unk);
// r3 = 0x2B10(d3d?) + 8
}
// VdVerifyMEInitCommand
// r3
// r4 = 19
// no op?
SHIM_CALL VdInitializeScalerCommandBuffer_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t unk0 = SHIM_GET_ARG_32(0); // 0?
uint32_t unk1 = SHIM_GET_ARG_32(1); // 0x050002d0 size of ?
uint32_t unk2 = SHIM_GET_ARG_32(2); // 0?
uint32_t unk3 = SHIM_GET_ARG_32(3); // 0x050002d0 size of ?
uint32_t unk4 = SHIM_GET_ARG_32(4); // 0x050002d0 size of ?
uint32_t unk5 = SHIM_GET_ARG_32(5); // 7?
uint32_t unk6 = SHIM_GET_ARG_32(6); // 0x2004909c <-- points to zeros?
uint32_t unk7 = SHIM_GET_ARG_32(7); // 7?
// arg8 is in stack!
uint32_t sp = (uint32_t)ppc_state->r[1];
// Points to the first 80000000h where the memcpy sources from.
uint32_t dest_ptr = SHIM_MEM_32(sp + 0x54);
XELOGD(
"VdInitializeScalerCommandBuffer(%.8X, %.8X, %.8X, %.8X, %.8X, %.8X, "
"%.8X, %.8X, %.8X)",
unk0, unk1, unk2, unk3, unk4, unk5, unk6, unk7, dest_ptr);
// We could fake the commands here, but I'm not sure the game checks for
// anything but success (non-zero ret).
// For now, we just fill it with NOPs.
size_t total_words = 0x1CC / 4;
uint8_t* p = SHIM_MEM_ADDR(dest_ptr);
for (size_t i = 0; i < total_words; ++i, p += 4) {
poly::store_and_swap(p, 0x80000000);
}
// returns memcpy size >> 2 for memcpy(...,...,ret << 2)
SHIM_SET_RETURN_64(total_words >> 2);
}
// We use these to shuffle data to VdSwap.
// This way it gets properly stored in the command buffer (for replay/etc).
static uint32_t last_frontbuffer_width_ = 1280;
static uint32_t last_frontbuffer_height_ = 720;
SHIM_CALL VdCallGraphicsNotificationRoutines_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t unk_1 = SHIM_GET_ARG_32(0);
uint32_t args_ptr = SHIM_GET_ARG_32(1);
assert_true(unk_1 == 1);
uint16_t fb_width = SHIM_MEM_16(args_ptr + 0);
uint16_t fb_height = SHIM_MEM_16(args_ptr + 2);
uint16_t bb_width = SHIM_MEM_16(args_ptr + 4);
uint16_t bb_height = SHIM_MEM_16(args_ptr + 6);
XELOGD("VdCallGraphicsNotificationRoutines(%d, %.8X(scale %dx%d -> %dx%d))",
unk_1, args_ptr, bb_width, bb_height, fb_width, fb_height);
// TODO(benvanik): what does this mean, I forget:
// callbacks get 0, r3, r4
// For use by VdSwap.
last_frontbuffer_width_ = fb_width;
last_frontbuffer_height_ = fb_height;
SHIM_SET_RETURN_64(0);
}
SHIM_CALL VdIsHSIOTrainingSucceeded_shim(PPCContext* ppc_state,
KernelState* state) {
XELOGD("VdIsHSIOTrainingSucceeded()");
// Not really sure what this should be - code does weird stuff here:
// (cntlzw r11, r3 / extrwi r11, r11, 1, 26)
SHIM_SET_RETURN_64(1);
}
SHIM_CALL VdPersistDisplay_shim(PPCContext* ppc_state, KernelState* state) {
XELOGD("VdPersistDisplay(?)");
// ?
SHIM_SET_RETURN_64(1);
}
SHIM_CALL VdRetrainEDRAMWorker_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t unk0 = SHIM_GET_ARG_32(0);
XELOGD("VdRetrainEDRAMWorker(%.8X)", unk0);
SHIM_SET_RETURN_64(0);
}
SHIM_CALL VdRetrainEDRAM_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t unk0 = SHIM_GET_ARG_32(0);
uint32_t unk1 = SHIM_GET_ARG_32(1);
uint32_t unk2 = SHIM_GET_ARG_32(2);
uint32_t unk3 = SHIM_GET_ARG_32(3);
uint32_t unk4 = SHIM_GET_ARG_32(4);
uint32_t unk5 = SHIM_GET_ARG_32(5);
XELOGD("VdRetrainEDRAM(%.8X, %.8X, %.8X, %.8X, %.8X, %.8X)", unk0, unk1, unk2,
unk3, unk4, unk5);
SHIM_SET_RETURN_64(0);
}
SHIM_CALL VdSwap_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t unk0 = SHIM_GET_ARG_32(0); // ptr into primary ringbuffer
uint32_t unk1 = SHIM_GET_ARG_32(1);
uint32_t unk2 = SHIM_GET_ARG_32(2);
uint32_t unk3 = SHIM_GET_ARG_32(3); // ptr to 0xBEEF0000
uint32_t unk4 = SHIM_GET_ARG_32(4); // 0xBEEF0001
uint32_t frontbuffer_ptr = SHIM_GET_ARG_32(5); // ptr to frontbuffer address
uint32_t unk6 = SHIM_GET_ARG_32(6); // ptr to 6?
uint32_t unk7 = SHIM_GET_ARG_32(7);
uint32_t frontbuffer = SHIM_MEM_32(frontbuffer_ptr);
XELOGD("VdSwap(%.8X, %.8X, %.8X, %.8X, %.8X, %.8X(%.8X), %.8X, %.8X)", unk0,
unk1, unk2, unk3, unk4, frontbuffer_ptr, frontbuffer, unk6, unk7);
// The caller seems to reserve 64 words (256b) in the primary ringbuffer
// for this method to do what it needs. We just zero them out and send a
// token value. It'd be nice to figure out what this is really doing so
// that we could simulate it, though due to TCR I bet all games need to
// use this method.
memset(SHIM_MEM_ADDR(unk0), 0, 64 * 4);
auto dwords = reinterpret_cast<uint32_t*>(SHIM_MEM_ADDR(unk0));
dwords[0] = poly::byte_swap((0x3 << 30) | ((63 - 1) << 16) |
(xe::gpu::xenos::PM4_XE_SWAP << 8));
dwords[1] = poly::byte_swap(frontbuffer);
// Set by VdCallGraphicsNotificationRoutines.
dwords[2] = poly::byte_swap(last_frontbuffer_width_);
dwords[3] = poly::byte_swap(last_frontbuffer_height_);
SHIM_SET_RETURN_64(0);
}
} // namespace kernel
} // namespace xe
void xe::kernel::xboxkrnl::RegisterVideoExports(ExportResolver* export_resolver,
KernelState* state) {
SHIM_SET_MAPPING("xboxkrnl.exe", VdGetCurrentDisplayGamma, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdGetCurrentDisplayInformation, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdQueryVideoFlags, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdQueryVideoMode, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdSetDisplayMode, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdSetDisplayModeOverride, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdInitializeEngines, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdShutdownEngines, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdGetGraphicsAsicID, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdEnableDisableClockGating, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdSetGraphicsInterruptCallback, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdInitializeRingBuffer, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdEnableRingBufferRPtrWriteBack, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdGetSystemCommandBuffer, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdSetSystemCommandBufferGpuIdentifierAddress,
state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdInitializeScalerCommandBuffer, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdCallGraphicsNotificationRoutines, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdIsHSIOTrainingSucceeded, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdPersistDisplay, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdRetrainEDRAMWorker, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdRetrainEDRAM, state);
SHIM_SET_MAPPING("xboxkrnl.exe", VdSwap, state);
Memory* memory = state->memory();
uint8_t* mem = memory->membase();
// VdGlobalDevice (4b)
// Pointer to a global D3D device. Games only seem to set this, so we don't
// have to do anything. We may want to read it back later, though.
uint32_t pVdGlobalDevice =
memory->SystemHeapAlloc(4, 32, kSystemHeapPhysical);
export_resolver->SetVariableMapping("xboxkrnl.exe", ordinals::VdGlobalDevice,
pVdGlobalDevice);
poly::store_and_swap<uint32_t>(mem + pVdGlobalDevice, 0);
// VdGlobalXamDevice (4b)
// Pointer to the XAM D3D device, which we don't have.
uint32_t pVdGlobalXamDevice =
memory->SystemHeapAlloc(4, 32, kSystemHeapPhysical);
export_resolver->SetVariableMapping(
"xboxkrnl.exe", ordinals::VdGlobalXamDevice, pVdGlobalXamDevice);
poly::store_and_swap<uint32_t>(mem + pVdGlobalXamDevice, 0);
// VdGpuClockInMHz (4b)
// GPU clock. Xenos is 500MHz. Hope nothing is relying on this timing...
uint32_t pVdGpuClockInMHz =
memory->SystemHeapAlloc(4, 32, kSystemHeapPhysical);
export_resolver->SetVariableMapping("xboxkrnl.exe", ordinals::VdGpuClockInMHz,
pVdGpuClockInMHz);
poly::store_and_swap<uint32_t>(mem + pVdGpuClockInMHz, 500);
// VdHSIOCalibrationLock (28b)
// CriticalSection.
uint32_t pVdHSIOCalibrationLock =
memory->SystemHeapAlloc(28, 32, kSystemHeapPhysical);
export_resolver->SetVariableMapping(
"xboxkrnl.exe", ordinals::VdHSIOCalibrationLock, pVdHSIOCalibrationLock);
auto hsio_lock =
reinterpret_cast<X_RTL_CRITICAL_SECTION*>(mem + pVdHSIOCalibrationLock);
xeRtlInitializeCriticalSectionAndSpinCount(hsio_lock, pVdHSIOCalibrationLock,
10000);
}
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