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[idd] implemented core shared memory functionallity and LGMP setup

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This commit is contained in:
Geoffrey McRae
2023-04-10 14:02:47 +10:00
parent 77ddcfe489
commit 3c85957b99
15 changed files with 608 additions and 37 deletions
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9
idd/LGIdd/CIVSHMEM.cpp
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@@ -5,6 +5,7 @@
#include <algorithm>
#include <winioctl.h>
#include "Debug.h"
#include "ivshmem/ivshmem.h"
CIVSHMEM::CIVSHMEM()
@@ -81,7 +82,7 @@ bool CIVSHMEM::Init()
{
DWORD bus = it->busAddr >> 32;
DWORD addr = it->busAddr & 0xFFFFFFFF;
printf("IVSHMEM %u%c on bus 0x%lx, device 0x%lx, function 0x%lx\n",
DBGPRINT("IVSHMEM %u%c on bus 0x%lx, device 0x%lx, function 0x%lx\n",
i, i == shmDevice ? '*' : ' ', bus, addr >> 16, addr & 0xFFFF);
if (i == shmDevice)
@@ -132,7 +133,7 @@ bool CIVSHMEM::Open()
IVSHMEM_SIZE size;
if (!DeviceIoControl(m_handle, IOCTL_IVSHMEM_REQUEST_SIZE, nullptr, 0, &size, sizeof(size), nullptr, nullptr))
{
printf("Failed to request ivshmem size\n");
DBGPRINT("Failed to request ivshmem size");
return false;
}
@@ -142,7 +143,7 @@ bool CIVSHMEM::Open()
config.cacheMode = IVSHMEM_CACHE_WRITECOMBINED;
if (!DeviceIoControl(m_handle, IOCTL_IVSHMEM_REQUEST_MMAP, &config, sizeof(config), &map, sizeof(map), nullptr, nullptr))
{
printf("Failed to request ivshmem mmap\n");
DBGPRINT("Failed to request ivshmem mmap");
return false;
}
@@ -159,7 +160,7 @@ void CIVSHMEM::Close()
if (!DeviceIoControl(m_handle, IOCTL_IVSHMEM_RELEASE_MMAP, nullptr, 0, nullptr, 0, nullptr, nullptr))
{
printf("Failed to release ivshmem mmap\n");
DBGPRINT("Failed to release ivshmem mmap");
return;
}