Kernel calls and variables now working and tracing better.

2013-01-28 12:36:39 -08:00
parent 5c2060af72
commit 6c4af5aa70
19 changed files with 462 additions and 51 deletions
--- a/src/kernel/modules/xboxkrnl/xboxkrnl_memory.cc
+++ b/src/kernel/modules/xboxkrnl/xboxkrnl_memory.cc
@@ -0,0 +1,112 @@
+/**
+ ******************************************************************************
+ * 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 "kernel/modules/xboxkrnl/xboxkrnl_memory.h"
+
+#include "kernel/shim_utils.h"
+
+
+using namespace xe;
+using namespace xe::kernel;
+using namespace xe::kernel::xboxkrnl;
+
+
+namespace {
+
+
+void NtAllocateVirtualMemory_shim(
+    xe_ppc_state_t* ppc_state, KernelState* state) {
+  // NTSTATUS
+  // _Inout_  PVOID *BaseAddress,
+  // _In_     ULONG_PTR ZeroBits,
+  // _Inout_  PSIZE_T RegionSize,
+  // _In_     ULONG AllocationType,
+  // _In_     ULONG Protect
+  // ? handle?
+
+  uint32_t base_addr_ptr      = SHIM_GET_ARG_32(0);
+  uint32_t base_addr_value    = SHIM_MEM_32(base_addr_ptr);
+  uint32_t region_size_ptr    = SHIM_GET_ARG_32(1);
+  uint32_t region_size_value  = SHIM_MEM_32(region_size_ptr);
+  // MEM_COMMIT | MEM_PHYSICAL | MEM_RESERVE | MEM_RESET | MEM_TOP_DOWN
+  uint32_t allocation_type    = SHIM_GET_ARG_32(2);
+  // PAGE_NOACCESS | PAGE_READONLY | PAGE_READWRITE | PAGE_EXECUTE |
+  // PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_GUARD | PAGE_NOCACHE |
+  // PAGE_WRITECOMBINE
+  uint32_t protect_bits       = SHIM_GET_ARG_32(3);
+  uint32_t unknown            = SHIM_GET_ARG_32(4);
+
+  XELOGD(
+    XT("NtAllocateVirtualMemory(%.8X(%.8X), %.8X(%.8X), %.8X, %.8X, %.8X)"),
+    base_addr_ptr, base_addr_value,
+    region_size_ptr, region_size_value,
+    allocation_type, protect_bits, unknown);
+
+  // TODO(benvanik): alloc memory
+
+  // Possible return codes:
+  // STATUS_ACCESS_DENIED
+  // STATUS_ALREADY_COMMITTED
+  // STATUS_COMMITMENT_LIMIT
+  // STATUS_CONFLICTING_ADDRESSES
+  // STATUS_INSUFFICIENT_RESOURCES
+  // STATUS_INVALID_HANDLE
+  // STATUS_INVALID_PAGE_PROTECTION
+  // STATUS_NO_MEMORY
+  // STATUS_OBJECT_TYPE_MISMATCH
+  // STATUS_PROCESS_IS_TERMINATING
+  SHIM_SET_RETURN(0xC0000017);
+}
+
+void NtFreeVirtualMemory_shim(
+    xe_ppc_state_t* ppc_state, KernelState* state) {
+  // NTSTATUS
+  // _Inout_  PVOID *BaseAddress,
+  // _Inout_  PSIZE_T RegionSize,
+  // _In_     ULONG FreeType
+  // ? handle?
+
+  uint32_t base_addr_ptr      = SHIM_GET_ARG_32(0);
+  uint32_t base_addr_value    = SHIM_MEM_32(base_addr_ptr);
+  uint32_t region_size_ptr    = SHIM_GET_ARG_32(1);
+  uint32_t region_size_value  = SHIM_MEM_32(region_size_ptr);
+  // MEM_DECOMMIT | MEM_RELEASE
+  uint32_t free_type          = SHIM_GET_ARG_32(2);
+  uint32_t unknown            = SHIM_GET_ARG_32(3);
+
+  XELOGD(
+    XT("NtFreeVirtualMemory(%.8X(%.8X), %.8X(%.8X), %.8X, %.8X)"),
+    base_addr_ptr, base_addr_value,
+    region_size_ptr, region_size_value,
+    free_type, unknown);
+
+  // TODO(benvanik): free memory
+
+  // Possible return codes:
+  // STATUS_ACCESS_DENIED
+  // STATUS_INVALID_HANDLE
+  // STATUS_OBJECT_TYPE_MISMATCH
+  SHIM_SET_RETURN(0xFFFFFFFF);
+}
+
+
+}
+
+
+void xe::kernel::xboxkrnl::RegisterMemoryExports(
+    ExportResolver* export_resolver, KernelState* state) {
+  #define SHIM_SET_MAPPING(ordinal, shim, impl) \
+    export_resolver->SetFunctionMapping("xboxkrnl.exe", ordinal, \
+        state, (xe_kernel_export_shim_fn)shim, (xe_kernel_export_impl_fn)impl)
+
+  SHIM_SET_MAPPING(0x000000CC, NtAllocateVirtualMemory_shim, NULL);
+  SHIM_SET_MAPPING(0x000000DC, NtFreeVirtualMemory_shim, NULL);
+
+  #undef SET_MAPPING
+}