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General: Recover Prometheus project from harddrive failure

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This commit: Implements CPU Interrupts, Replaces Cycle Timing for Host 
Timing, Reworks the Kernel's Scheduler, Introduce Idle State and 
Suspended State, Recreates the bootmanager, Initializes Multicore 
system.
This commit is contained in:
Fernando Sahmkow
2020-02-24 22:04:12 -04:00
parent 0ea4a8bcc4
commit e31425df38
57 changed files with 1349 additions and 824 deletions
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14
src/core/arm/unicorn/arm_unicorn.cpp
View File

@ -6,6 +6,7 @@
#include <unicorn/arm64.h>
#include "common/assert.h"
#include "common/microprofile.h"
#include "core/arm/cpu_interrupt_handler.h"
#include "core/arm/unicorn/arm_unicorn.h"
#include "core/core.h"
#include "core/core_timing.h"
@ -62,7 +63,8 @@ static bool UnmappedMemoryHook(uc_engine* uc, uc_mem_type type, u64 addr, int si
return false;
}
ARM_Unicorn::ARM_Unicorn(System& system, Arch architecture) : ARM_Interface{system} {
ARM_Unicorn::ARM_Unicorn(System& system, CPUInterruptHandler& interrupt_handler, Arch architecture)
: ARM_Interface{system, interrupt_handler} {
const auto arch = architecture == Arch::AArch32 ? UC_ARCH_ARM : UC_ARCH_ARM64;
CHECKED(uc_open(arch, UC_MODE_ARM, &uc));
@ -160,8 +162,12 @@ void ARM_Unicorn::Run() {
if (GDBStub::IsServerEnabled()) {
ExecuteInstructions(std::max(4000000U, 0U));
} else {
ExecuteInstructions(
std::max(std::size_t(system.CoreTiming().GetDowncount()), std::size_t{0}));
while (true) {
if (interrupt_handler.IsInterrupted()) {
return;
}
ExecuteInstructions(10);
}
}
}
@ -183,8 +189,6 @@ void ARM_Unicorn::ExecuteInstructions(std::size_t num_instructions) {
UC_PROT_READ | UC_PROT_WRITE | UC_PROT_EXEC, page_buffer.data()));
CHECKED(uc_emu_start(uc, GetPC(), 1ULL << 63, 0, num_instructions));
CHECKED(uc_mem_unmap(uc, map_addr, page_buffer.size()));
system.CoreTiming().AddTicks(num_instructions);
if (GDBStub::IsServerEnabled()) {
if (last_bkpt_hit && last_bkpt.type == GDBStub::BreakpointType::Execute) {
uc_reg_write(uc, UC_ARM64_REG_PC, &last_bkpt.address);

3
src/core/arm/unicorn/arm_unicorn.h
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@ -11,6 +11,7 @@
namespace Core {
class CPUInterruptHandler;
class System;
class ARM_Unicorn final : public ARM_Interface {
@ -20,7 +21,7 @@ public:
AArch64, // 64-bit ARM
};
explicit ARM_Unicorn(System& system, Arch architecture);
explicit ARM_Unicorn(System& system, CPUInterruptHandler& interrupt_handler, Arch architecture);
~ARM_Unicorn() override;
void SetPC(u64 pc) override;