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Merge pull request #7620 from bunnei/kernel-thread-x18

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core: hle: kernel: KThread: X18 should be a cryptographically random number.
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bunnei 2021-12-25 00:42:54 -08:00 committed by GitHub
commit 292dfac25e
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src/core/hle/kernel/k_thread.cpp
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@ -26,6 +26,7 @@
#include "core/hle/kernel/k_resource_limit.h" #include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h" #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
#include "core/hle/kernel/k_system_control.h"
#include "core/hle/kernel/k_thread.h" #include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/k_thread_queue.h" #include "core/hle/kernel/k_thread_queue.h"
#include "core/hle/kernel/kernel.h" #include "core/hle/kernel/kernel.h"
@ -50,6 +51,7 @@ static void ResetThreadContext64(Core::ARM_Interface::ThreadContext64& context,
VAddr entry_point, u64 arg) { VAddr entry_point, u64 arg) {
context = {}; context = {};
context.cpu_registers[0] = arg; context.cpu_registers[0] = arg;
context.cpu_registers[18] = Kernel::KSystemControl::GenerateRandomU64() | 1;
context.pc = entry_point; context.pc = entry_point;
context.sp = stack_top; context.sp = stack_top;
// TODO(merry): Perform a hardware test to determine the below value. // TODO(merry): Perform a hardware test to determine the below value.