completely redesign how user mode memory is allocated, fix a few smp and scheduler bugs, terminating a process now terminates the process, telemetry, optimize text editor, new font, new color scheme

code/public/ntlite/syscall.h

@@ -13,6 +13,8 @@
 #define SYS_STATUS_TIMEOUT       3u
 #define SYS_STATUS_PENDING       4u
 #define SYS_STATUS_ALERTED       5u
+#define SYS_STATUS_INVALID_PARAMETER 0x10u
+#define SYS_STATUS_NO_MEMORY     0x20u
 #define SYS_STATUS_KERNEL_APC    6u
 #define SYS_STATUS_USER_APC      7u
 #define SYS_STATUS_CANCELLED     0x33u
@@ -205,11 +207,33 @@ uint32_t SysSetUserApcDispatcher(void* dispatcher);
 uint32_t SysApcReturn(const SYS_USER_APC_FRAME* frame);
 
 // ---------------------------------------------------------------------------
-// Memory and handles
+// Virtual memory and handles
 // ---------------------------------------------------------------------------
-void*    SysAlloc(size_t size);
-uint32_t SysFree(void* ptr);
-void*    SysRealloc(void* ptr, size_t newSize);
+typedef enum SYS_VM_PROTECTION {
+    SYS_VM_NOACCESS          = 0,
+    SYS_VM_READ              = 1,
+    SYS_VM_READWRITE         = 2,
+    SYS_VM_EXECUTE           = 3,
+    SYS_VM_EXECUTE_READ      = 4,
+    SYS_VM_EXECUTE_READWRITE = 5,
+} SYS_VM_PROTECTION;
+
+#define SYS_VM_FLAG_NONE  0u
+#define SYS_VM_FLAG_FIXED 1u
+
+typedef struct SYS_VM_REGION_INFO {
+    void*    Base;
+    size_t   PageCount;
+    uint32_t Protect;
+    uint32_t Flags;
+    uint32_t Type;
+    uint32_t OwnerPid;
+} SYS_VM_REGION_INFO;
+
+uint32_t SysVmAlloc(void* preferredBase, size_t pageCount, uint32_t protect, uint32_t flags, void** baseOut);
+uint32_t SysVmFree(void* base);
+uint32_t SysVmProtect(void* base, size_t pageCount, uint32_t protect, uint32_t* oldProtectOut);
+uint32_t SysVmQuery(void* address, SYS_VM_REGION_INFO* out);
 uint32_t SysCloseHandle(uint32_t handle);
 
 // ---------------------------------------------------------------------------
@@ -382,6 +406,58 @@ typedef struct SYS_MEMORY_STATUS {
     uint64_t UserHeapBytes;
 } SYS_MEMORY_STATUS;
 
+#define SYS_KERNEL_STATS_SCHEDULER 1u
+#define SYS_KERNEL_STATS_PMM       2u
+#define SYS_KERNEL_STATS_CPU       3u
+
+#define SYS_KERNEL_STATS_MAX_CPUS  32u
+
+typedef struct SYS_SCHEDULER_STATS {
+    uint64_t Ticks;
+    uint64_t ContextSwitches;
+    uint64_t KeepCurrentDecisions;
+    uint64_t IdleSelections;
+    uint64_t Demotions;
+    uint64_t AgingPromotions;
+    uint64_t QuantumExpirations;
+    uint64_t PriorityPreemptions;
+    uint64_t VoluntaryBlocks;
+    uint64_t CpuBurstDemotions;
+    uint64_t SmtSiblingDeferrals;
+    uint64_t SmtPrimaryPokes;
+} SYS_SCHEDULER_STATS;
+
+typedef struct SYS_PMM_STATS {
+    uint64_t TotalFrames;
+    uint64_t FreeFrames;
+    uint64_t UsedFrames;
+    uint64_t LargestFreeRun;
+    uint64_t FreeRunCount;
+    uint64_t FreeRunHistogram[8];
+} SYS_PMM_STATS;
+
+typedef struct SYS_CPU_STAT {
+    uint32_t CpuIndex;
+    uint32_t LapicId;
+    uint32_t Flags;
+    uint32_t CurrentTid;
+    uint64_t SchedulerTicks;
+    uint64_t ContextSwitches;
+} SYS_CPU_STAT;
+
+typedef struct SYS_CPU_STATS {
+    uint32_t CpuCount;
+    uint32_t Reserved;
+    SYS_CPU_STAT Cpu[SYS_KERNEL_STATS_MAX_CPUS];
+} SYS_CPU_STATS;
+
+#define SYS_CPU_FLAG_PRESENT  0x00000001u
+#define SYS_CPU_FLAG_STARTED  0x00000002u
+#define SYS_CPU_FLAG_PARKED   0x00000004u
+#define SYS_CPU_FLAG_ONLINE   0x00000008u
+#define SYS_CPU_FLAG_BSP      0x00000010u
+#define SYS_CPU_FLAG_PRIMARY  0x00000020u
+
 // ---------------------------------------------------------------------------
 // Time and diagnostics
 // ---------------------------------------------------------------------------
@@ -390,3 +466,4 @@ uint32_t SysDebugPrint(const SYS_DEBUG_PRINT_REQUEST* request);
 uint32_t SysQueryTrapFrame(SYS_TRAP_FRAME_INFO* info);
 
 uint32_t SysGetMemoryStatus(SYS_MEMORY_STATUS* statusOut);
+uint32_t SysQueryKernelStats(uint32_t classId, void* buffer, size_t bufferSize, size_t* requiredSizeOut);