From a13e1c0911c0627184bc38f18c7fdda64447b3ad Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Sun, 23 Mar 2025 19:13:48 +0100 Subject: meta(kernel): Reworked repository's filesystem structure. Removing useless parts of the project too. Signed-off-by: Amlal El Mahrouss --- dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc | 145 --------------------- 1 file changed, 145 deletions(-) delete mode 100644 dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc (limited to 'dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc') diff --git a/dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc b/dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc deleted file mode 100644 index 660af502..00000000 --- a/dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc +++ /dev/null @@ -1,145 +0,0 @@ -/* ------------------------------------------- - - Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved. - -------------------------------------------- */ - -#include -#include -#include -#include - -#define GICD_BASE 0x08000000 // Distributor base address -#define GICC_BASE 0x08010000 // CPU interface base address - -#define GICD_CTLR 0x000 // Distributor Control Register -#define GICD_ISENABLER 0x100 // Interrupt Set-Enable Registers -#define GICD_ICENABLER 0x180 // Interrupt Clear-Enable Registers -#define GICD_ISPENDR 0x200 // Interrupt Set-Pending Registers -#define GICD_ICPENDR 0x280 // Interrupt Clear-Pending Registers -#define GICD_IPRIORITYR 0x400 // Interrupt Priority Registers -#define GICD_ITARGETSR 0x800 // Interrupt Processor Targets Registers -#define GICD_ICFGR 0xC00 // Interrupt Configuration Registers - -#define GICC_CTLR 0x000 // CPU Interface Control Register -#define GICC_PMR 0x004 // Interrupt Priority Mask Register -#define GICC_IAR 0x00C // Interrupt Acknowledge Register -#define GICC_EOIR 0x010 // End of Interrupt Register - -// ================================================================= // - -namespace NeOS -{ - struct PROCESS_CONTROL_BLOCK final - { - HAL::StackFramePtr mFrame; - }; - - STATIC PROCESS_CONTROL_BLOCK kProcessBlocks[kSchedProcessLimitPerTeam] = {0}; - - namespace Detail - { - STATIC BOOL kGICEnabled = NO; - - STATIC void mp_hang_fn(void) - { - while (YES) - ; - - dbg_break_point(); - } - - Void mp_setup_gic_el0(Void) - { - // enable distributor. - ke_dma_write(GICD_BASE, GICD_CTLR, YES); - - UInt32 gicc_ctlr = ke_dma_read(GICC_BASE, GICC_CTLR); - - const auto kEnableSignalInt = YES; - - gicc_ctlr |= kEnableSignalInt; // Enable signaling of interrupts - gicc_ctlr |= (kEnableSignalInt << 1); // Allow Group 1 interrupts in EL0 - - ke_dma_write(GICC_BASE, GICC_CTLR, gicc_ctlr); - - // Set priority mask (accept all priorities) - ke_dma_write(GICC_BASE, GICC_PMR, 0xFF); - - UInt32 icfgr = ke_dma_read(GICD_BASE, GICD_ICFGR + (0x20 / 0x10) * 4); - - icfgr |= (0x2 << ((32 % 16) * 2)); // Edge-triggered - ke_dma_write(GICD_BASE, GICD_ICFGR + (0x20 / 0x10) * 4, icfgr); - - // Target interrupt 32 to CPU 1 - ke_dma_write(GICD_BASE, GICD_ITARGETSR + (0x20 / 0x04) * 4, 0x2 << ((32 % 4) * 8)); - - // Set interrupt 32 priority to lowest (0xFF) - ke_dma_write(GICD_BASE, GICD_IPRIORITYR + (0x20 / 0x04) * 4, 0xFF << ((32 % 4) * 8)); - - // Enable interrupt 32 for AP. - ke_dma_write(GICD_BASE, GICD_ISENABLER + 4, 0x01); - } - - BOOL mp_handle_gic_interrupt_el0(Void) - { - // Read the interrupt ID - UInt32 interrupt_id = ke_dma_read(GICC_BASE, GICC_IAR); - - // Check if it's a valid interrupt (not spurious) - if ((interrupt_id & 0x3FF) < 1020) - { - auto interrupt = interrupt_id & 0x3FF; - - const UInt16 kInterruptScheduler = 0x20; - - kout << "Handling interrupt for AP: " << interrupt << kendl; - - switch (interrupt) - { - case kInterruptScheduler: { - ke_dma_write(GICC_BASE, GICC_EOIR, interrupt_id); - UserProcessHelper::StartScheduling(); - break; - } - default: { - ke_dma_write(GICC_BASE, GICC_EOIR, interrupt_id); - break; - } - } - - return YES; - } - - // spurious interrupt - return NO; - } - } // namespace Detail - - EXTERN_C HAL::StackFramePtr mp_get_current_context(ProcessID pid) - { - return kProcessBlocks[pid % kSchedProcessLimitPerTeam].mFrame; - } - - EXTERN_C Bool mp_register_process(HAL::StackFramePtr stack_frame, ProcessID pid) - { - MUST_PASS(stack_frame); - - const auto process_index = pid % kSchedProcessLimitPerTeam; - - kProcessBlocks[process_index].mFrame = stack_frame; - - return YES; - } - - BOOL mp_initialize_gic(Void) - { - if (!Detail::kGICEnabled) - { - Detail::kGICEnabled = YES; - Detail::mp_setup_gic_el0(); - } - - return Detail::kGICEnabled; - } -} // namespace NeOS \ No newline at end of file -- cgit v1.2.3