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reduce kernel stack size

This commit is contained in:
nakst 2021-11-10 18:19:34 +00:00
parent 1eb2dfe549
commit 03cc2a7f25
2 changed files with 29 additions and 27 deletions
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6
kernel/scheduler.cpp
View File

@ -405,12 +405,12 @@ Thread *Scheduler::SpawnThread(const char *cName, uintptr_t startAddress, uintpt
// Allocate the thread's stacks.
#if defined(ES_BITS_64)
uintptr_t kernelStackSize = userland ? 0x4000 /* 16KB */ : 0x10000 /* 64KB */;
uintptr_t kernelStackSize = 0x5000 /* 20KB */;
#elif defined(ES_BITS_32)
uintptr_t kernelStackSize = userland ? 0x3000 /* 12KB */ : 0x8000 /* 32KB */;
uintptr_t kernelStackSize = 0x4000 /* 16KB */;
#endif
uintptr_t userStackReserve = userland ? 0x400000 /* 4MB */ : kernelStackSize;
uintptr_t userStackCommit = userland ? 0x20000 /* 128KB */ : 0;
uintptr_t userStackCommit = userland ? 0x10000 /* 64KB */ : 0;
uintptr_t stack = 0, kernelStack = 0;
if (flags & SPAWN_THREAD_IDLE) goto skipStackAllocation;

50
kernel/syscall.cpp
View File

@ -1621,15 +1621,39 @@ SYSCALL_IMPLEMENT(ES_SYSCALL_DEVICE_CONTROL) {
}
SYSCALL_IMPLEMENT(ES_SYSCALL_DEBUG_COMMAND) {
SYSCALL_PERMISSION(ES_PERMISSION_TAKE_SYSTEM_SNAPSHOT);
// TODO Temporary: moved out of the DEBUG_BUILD block.
if (argument0 == 3) {
SYSCALL_PERMISSION(ES_PERMISSION_TAKE_SYSTEM_SNAPSHOT);
// TODO Temporary: moved out of the DEBUG_BUILD block.
extern char kernelLog[];
extern uintptr_t kernelLogPosition;
size_t bytes = kernelLogPosition;
if (argument2 < bytes) bytes = argument2;
EsMemoryCopy((void *) argument1, kernelLog, bytes);
SYSCALL_RETURN(bytes, false);
} else if (argument0 == 12) {
EsMemoryStatistics statistics;
EsMemoryZero(&statistics, sizeof(statistics));
statistics.fixedHeapAllocationCount = K_FIXED->allocationsCount;
statistics.fixedHeapTotalSize = K_FIXED->size;
statistics.coreHeapAllocationCount = K_CORE->allocationsCount;
statistics.coreHeapTotalSize = K_CORE->size;
statistics.cachedNodes = fs.bootFileSystem->cachedNodes.count;
statistics.cachedDirectoryEntries = fs.bootFileSystem->cachedDirectoryEntries.count;
statistics.totalSurfaceBytes = graphics.totalSurfaceBytes;
statistics.commitPageable = pmm.commitPageable;
statistics.commitFixed = pmm.commitFixed;
statistics.commitLimit = pmm.commitLimit;
statistics.commitFixedLimit = pmm.commitFixedLimit;
statistics.commitRemaining = MM_REMAINING_COMMIT();
statistics.maximumObjectCachePages = MM_OBJECT_CACHE_PAGES_MAXIMUM();
statistics.approximateObjectCacheSize = pmm.approximateTotalObjectCacheBytes;
statistics.countZeroedPages = pmm.countZeroedPages;
statistics.countFreePages = pmm.countFreePages;
statistics.countStandbyPages = pmm.countStandbyPages;
statistics.countActivePages = pmm.countActivePages;
SYSCALL_WRITE(argument1, &statistics, sizeof(statistics));
}
#ifdef DEBUG_BUILD
@ -1668,28 +1692,6 @@ SYSCALL_IMPLEMENT(ES_SYSCALL_DEBUG_COMMAND) {
KEventWait(&event, 1000);
EsHeapFree(scheduler.threadEventLog, 0, K_FIXED);
scheduler.threadEventLog = nullptr;
} else if (argument0 == 12) {
EsMemoryStatistics statistics;
EsMemoryZero(&statistics, sizeof(statistics));
statistics.fixedHeapAllocationCount = K_FIXED->allocationsCount;
statistics.fixedHeapTotalSize = K_FIXED->size;
statistics.coreHeapAllocationCount = K_CORE->allocationsCount;
statistics.coreHeapTotalSize = K_CORE->size;
statistics.cachedNodes = fs.bootFileSystem->cachedNodes.count;
statistics.cachedDirectoryEntries = fs.bootFileSystem->cachedDirectoryEntries.count;
statistics.totalSurfaceBytes = graphics.totalSurfaceBytes;
statistics.commitPageable = pmm.commitPageable;
statistics.commitFixed = pmm.commitFixed;
statistics.commitLimit = pmm.commitLimit;
statistics.commitFixedLimit = pmm.commitFixedLimit;
statistics.commitRemaining = MM_REMAINING_COMMIT();
statistics.maximumObjectCachePages = MM_OBJECT_CACHE_PAGES_MAXIMUM();
statistics.approximateObjectCacheSize = pmm.approximateTotalObjectCacheBytes;
statistics.countZeroedPages = pmm.countZeroedPages;
statistics.countFreePages = pmm.countFreePages;
statistics.countStandbyPages = pmm.countStandbyPages;
statistics.countActivePages = pmm.countActivePages;
SYSCALL_WRITE(argument1, &statistics, sizeof(statistics));
}
#endif