karina
6dd68f8162
- Bootloader: reallocate memory map buffer when ExitBootServices fails, so GetMemoryMap doesn't scribble past the old allocation on retry. - vectors.S: actually store sp_el0 into the exception frame. Previously it was read into x24 and then… vanished. EL0 tasks would wake up with a corrupted stack pointer. Not great. - Serial: split hardcoded 0x09000000 into a fallback default; add SerialUpdate() so the DTB-parsed UART address actually gets used. - DTB: add bounds check on reserved[] with PMM's 3 extra slots accounted for, so malformed/overstuffed DTBs don't silently corrupt memory. - PMM.h: bump kVMMaxReservedRegions 128→256, define kPMMReservedRegionCount. - Types.h: remove `#define loop while(1)`. while(true) is fine. - Rename IOSerial* → Serial* — the IO prefix was redundant, Serial.c already lives under IO/.
40 lines
924 B
C
40 lines
924 B
C
#include "../Common/bootinfo.h"
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#include <Arch/DTB.h>
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#include <Arch/Timer.h>
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#include <Arch/CPU.h>
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#include <Arch/GIC.h>
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#include <IO/Serial.h>
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#include <VM/PMM.h>
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#include <VM/VMM.h>
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#include <VM/Heap.h>
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#include <OS/Log.h>
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#include <OS/Panic.h>
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#include <OS/Scheduler.h>
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void KernelMain(Bootinfo* bootinfo) {
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OSLog("Kernel started.\n");
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if (bootinfo->magic != BOOTINFO_MAGIC) {
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OSPanic("Invalid bootinfo magic");
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}
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VMBootMemoryMap bootMap = {0};
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bootMap.reservedCount = 0;
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DTBParse(bootinfo->dtb, &bootMap);
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SerialUpdate(bootMap.UART.base);
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PMMInitialize(&bootMap);
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VMMInitialize(&bootMap, bootinfo);
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HeapInitialize();
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GICInitialize(
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(Pointer)VMPhysToHHDM(bootMap.GIC.GICD.base),
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(Pointer)VMPhysToHHDM(bootMap.GIC.GICC.base)
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);
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TimerInitialize();
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CPUEnableInterrupts();
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SchedulerInitialize();
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OSLog("Kernel initialized.\n");
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}
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