mirror of
https://gitlab.os-k.eu/os-k-team/os-k.git
synced 2023-08-25 14:03:10 +02:00
Style update
This commit is contained in:
Julian Barathieu
parent
0dea84d86d
commit
1e200eea25
2
Makefile
2
Makefile
@ -99,7 +99,7 @@ KernSources = kernel/cpu/cpuid.c \
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kernel/mm/heap.c kernel/mm/malloc.c \
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kernel/mm/gdt.c kernel/ps/sched.c \
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kernel/init/info.c kernel/init/ssp.c \
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kernel/io/rtc.c kernel/io/keyb.c \
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kernel/ke/rtc.c kernel/io/keyb.c \
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kernel/io/spkr.c kernel/po/shtdwn.c \
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kernel/sh/shell.c kernel/sh/shcmds.c
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@ -61,9 +61,9 @@ static inline ulong KePauseIRQs(void) {
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return flags;
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}
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extern void IoSendEOItoPIC(uchar isr);
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extern void IoEnableNMI(void);
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extern void IoDisableNMI(void);
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extern void KeSendEOItoPIC(uchar isr);
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extern void KeEnableNMI(void);
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extern void KeDisableNMI(void);
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//
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// Restore IRQ flag to its state before KePauseIRQs
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@ -65,22 +65,14 @@ struct ISRList_t
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} entry[255];
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};
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typedef struct
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{
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} __attribute__((__packed__)) cpu_state_t;
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extern char *IsrExceptions[32];
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//----------------------------------------------------------------------------//
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void IdtInit(void);
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void IdtSetup(void);
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void KeLoadIDT(void);
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void KeSetupIDT(void);
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void IoSendEOItoPIC(uchar isr);
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void IdtEarlyExceptionHandler(ISRFrame_t *regs);
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void IdtSetGate(uchar rank, ulong base, ushort selector, uchar flags);
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error_t IdtRegisterIsr(void (*isr)(ISRFrame_t *regs), uchar isrNo);
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void KeSendEOItoPIC(uchar isr);
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void KeSetIDTGate(uchar rank, ulong base, ushort selector, uchar flags);
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error_t KeRegisterISR(void (*isr)(ISRFrame_t *regs), uchar isrNo);
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//----------------------------------------------------------------------------//
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@ -26,12 +26,12 @@
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#include <kernel.h>
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#endif
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#ifndef _KALKERN_TIME_H
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#define _KALKERN_TIME_H
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#ifndef _KE_TIME_H
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#define _KE_TIME_H
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//----------------------------------------------------------------------------//
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typedef struct
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struct Time_t
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{
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uchar sec;
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uchar min;
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@ -41,16 +41,18 @@ typedef struct
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uchar month;
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uchar year;
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uchar century;
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} __attribute__((packed)) Time_t;
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} __attribute__((packed));
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void KeSetupRTC(void);
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void KeEnableRTC(void);
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ulong KeGetTimeStamp(void);
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ulong KeGetClockTicks(void);
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void KeDelayExecution(uint);
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Time_t *KeGetCurTime(void);
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char *KeFormatCurTime(void);
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extern void IoSetupRtc(void);
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extern void IoEnableRtc(void);
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extern void IoPrintRtcTime(void);
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extern ulong IoGetRtcTicks(void);
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extern Time_t* IoGetRtcTime(void);
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extern char* IoGetRtcTimeChar(void);
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extern void IoRtcWait(uint time); // time in ms
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//static char* WeekDays[7] = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"};
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//----------------------------------------------------------------------------//
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@ -36,6 +36,7 @@ typedef volatile ulong Spinlock_t;
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typedef Spinlock_t Lock_t;
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//typedef struct Lock_t Lock_t;
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typedef struct Time_t Time_t;
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typedef struct Buffer_t Buffer_t;
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typedef struct ListHead_t ListHead_t;
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typedef struct ListNode_t ListNode_t;
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@ -124,8 +125,6 @@ struct ISRFrame_t {
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ulong ss;
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} __attribute__((__packed__));
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error_t IdtRegisterIsr(void (*isr)(ISRFrame_t *regs), uchar isrNo);
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//----------------------------------------------------------------------------//
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#ifndef NCPUS
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@ -27,11 +27,11 @@
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#include <ke/idt.h>
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IdtEntry_t idt[256] = { 0 };
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IdtPtr_t idtPtr;
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IdtPtr_t _KeIdtPtr;
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ISRList_t isrList = { 0 };
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static ISRList_t isrList = { 0 };
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char *ExceptionsChar[32] = {
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static char *ExceptionsChar[32] = {
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"Divide Error Fault",
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"Debug Exception Trap",
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"Non-maskable Interrupt",
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@ -67,13 +67,14 @@ char *ExceptionsChar[32] = {
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};
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static void EnablePIC(void);
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static void EarlyExceptionHandler(ISRFrame_t *regs);
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#define interrupt(n) asm volatile ("int %0" : : "N" (n) : "cc", "memory")
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//
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// Registers an isr with his IRQ to handle driver interrupts
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//
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error_t IdtRegisterIsr(void (*isr)(ISRFrame_t *regs), uchar isrNo)
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error_t KeRegisterISR(void (*isr)(ISRFrame_t *regs), uchar isrNo)
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{
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uchar n = isrList.n;
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int OverWriting = 0;
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@ -104,7 +105,7 @@ settingUp:
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//
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// Installs the IDT in order to activate the interrupts handling
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//
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void IdtSetup(void)
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void KeSetupIDT(void)
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{
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// XXX detect the APIC with cpuid !
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EnablePIC();
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@ -112,75 +113,75 @@ void IdtSetup(void)
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ushort codeSeg = (ushort)(ulong)BtLoaderInfo.codeSegment;
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// Set IDT ptr
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idtPtr.limit = (sizeof(IdtEntry_t) * 256) - 1;
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idtPtr.base = &idt;
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_KeIdtPtr.limit = (sizeof(IdtEntry_t) * 256) - 1;
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_KeIdtPtr.base = &idt;
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// Set IDT Exception Gates
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IdtSetGate(0x00, (ulong)isr0, codeSeg, 0x8E);
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IdtSetGate(0x01, (ulong)isr1, codeSeg, 0x8E);
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IdtSetGate(0x02, (ulong)isr2, codeSeg, 0x8E);
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IdtSetGate(0x03, (ulong)isr3, codeSeg, 0x8E);
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IdtSetGate(0x04, (ulong)isr4, codeSeg, 0x8E);
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IdtSetGate(0x05, (ulong)isr5, codeSeg, 0x8E);
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IdtSetGate(0x06, (ulong)isr6, codeSeg, 0x8E);
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IdtSetGate(0x07, (ulong)isr7, codeSeg, 0x8E);
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IdtSetGate(0x08, (ulong)isr8, codeSeg, 0x8E);
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IdtSetGate(0x09, (ulong)isr9, codeSeg, 0x8E);
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IdtSetGate(0x0A, (ulong)isr10, codeSeg, 0x8E);
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IdtSetGate(0x0B, (ulong)isr11, codeSeg, 0x8E);
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IdtSetGate(0x0C, (ulong)isr12, codeSeg, 0x8E);
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IdtSetGate(0x0D, (ulong)isr13, codeSeg, 0x8E);
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IdtSetGate(0x0E, (ulong)isr14, codeSeg, 0x8E);
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IdtSetGate(0x0F, (ulong)isr15, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x10, (ulong)isr16, codeSeg, 0x8E);
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IdtSetGate(0x11, (ulong)isr17, codeSeg, 0x8E);
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IdtSetGate(0x12, (ulong)isr18, codeSeg, 0x8E);
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IdtSetGate(0x13, (ulong)isr19, codeSeg, 0x8E);
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IdtSetGate(0x14, (ulong)isr20, codeSeg, 0x8E);
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IdtSetGate(0x15, (ulong)isr21, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x16, (ulong)isr22, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x17, (ulong)isr23, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x18, (ulong)isr24, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x19, (ulong)isr25, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x1A, (ulong)isr26, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x1B, (ulong)isr27, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x1C, (ulong)isr28, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x1D, (ulong)isr29, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x1E, (ulong)isr30, codeSeg, 0x8E); // INTEL RESERVED
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IdtSetGate(0x1F, (ulong)isr31, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x00, (ulong)isr0, codeSeg, 0x8E);
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KeSetIDTGate(0x01, (ulong)isr1, codeSeg, 0x8E);
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KeSetIDTGate(0x02, (ulong)isr2, codeSeg, 0x8E);
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KeSetIDTGate(0x03, (ulong)isr3, codeSeg, 0x8E);
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KeSetIDTGate(0x04, (ulong)isr4, codeSeg, 0x8E);
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KeSetIDTGate(0x05, (ulong)isr5, codeSeg, 0x8E);
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KeSetIDTGate(0x06, (ulong)isr6, codeSeg, 0x8E);
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KeSetIDTGate(0x07, (ulong)isr7, codeSeg, 0x8E);
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KeSetIDTGate(0x08, (ulong)isr8, codeSeg, 0x8E);
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KeSetIDTGate(0x09, (ulong)isr9, codeSeg, 0x8E);
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KeSetIDTGate(0x0A, (ulong)isr10, codeSeg, 0x8E);
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KeSetIDTGate(0x0B, (ulong)isr11, codeSeg, 0x8E);
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KeSetIDTGate(0x0C, (ulong)isr12, codeSeg, 0x8E);
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KeSetIDTGate(0x0D, (ulong)isr13, codeSeg, 0x8E);
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KeSetIDTGate(0x0E, (ulong)isr14, codeSeg, 0x8E);
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KeSetIDTGate(0x0F, (ulong)isr15, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x10, (ulong)isr16, codeSeg, 0x8E);
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KeSetIDTGate(0x11, (ulong)isr17, codeSeg, 0x8E);
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KeSetIDTGate(0x12, (ulong)isr18, codeSeg, 0x8E);
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KeSetIDTGate(0x13, (ulong)isr19, codeSeg, 0x8E);
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KeSetIDTGate(0x14, (ulong)isr20, codeSeg, 0x8E);
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KeSetIDTGate(0x15, (ulong)isr21, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x16, (ulong)isr22, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x17, (ulong)isr23, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x18, (ulong)isr24, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x19, (ulong)isr25, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x1A, (ulong)isr26, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x1B, (ulong)isr27, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x1C, (ulong)isr28, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x1D, (ulong)isr29, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x1E, (ulong)isr30, codeSeg, 0x8E); // INTEL RESERVED
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KeSetIDTGate(0x1F, (ulong)isr31, codeSeg, 0x8E); // INTEL RESERVED
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// Set IDT IRQs Gates
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IdtSetGate(0x20, (ulong)isr32, codeSeg, 0x8E);
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IdtSetGate(0x21, (ulong)isr33, codeSeg, 0x8E);
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IdtSetGate(0x22, (ulong)isr34, codeSeg, 0x8E);
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IdtSetGate(0x23, (ulong)isr35, codeSeg, 0x8E);
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IdtSetGate(0x24, (ulong)isr36, codeSeg, 0x8E);
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IdtSetGate(0x25, (ulong)isr37, codeSeg, 0x8E);
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IdtSetGate(0x26, (ulong)isr38, codeSeg, 0x8E);
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IdtSetGate(0x27, (ulong)isr39, codeSeg, 0x8E);
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IdtSetGate(0x28, (ulong)isr40, codeSeg, 0x8E);
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IdtSetGate(0x29, (ulong)isr41, codeSeg, 0x8E);
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IdtSetGate(0x2A, (ulong)isr42, codeSeg, 0x8E);
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IdtSetGate(0x2B, (ulong)isr43, codeSeg, 0x8E);
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IdtSetGate(0x2C, (ulong)isr44, codeSeg, 0x8E);
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IdtSetGate(0x2D, (ulong)isr45, codeSeg, 0x8E);
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IdtSetGate(0x2E, (ulong)isr46, codeSeg, 0x8E);
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IdtSetGate(0x2F, (ulong)isr47, codeSeg, 0x8E);
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KeSetIDTGate(0x20, (ulong)isr32, codeSeg, 0x8E);
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KeSetIDTGate(0x21, (ulong)isr33, codeSeg, 0x8E);
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KeSetIDTGate(0x22, (ulong)isr34, codeSeg, 0x8E);
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KeSetIDTGate(0x23, (ulong)isr35, codeSeg, 0x8E);
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KeSetIDTGate(0x24, (ulong)isr36, codeSeg, 0x8E);
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KeSetIDTGate(0x25, (ulong)isr37, codeSeg, 0x8E);
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KeSetIDTGate(0x26, (ulong)isr38, codeSeg, 0x8E);
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KeSetIDTGate(0x27, (ulong)isr39, codeSeg, 0x8E);
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KeSetIDTGate(0x28, (ulong)isr40, codeSeg, 0x8E);
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KeSetIDTGate(0x29, (ulong)isr41, codeSeg, 0x8E);
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KeSetIDTGate(0x2A, (ulong)isr42, codeSeg, 0x8E);
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KeSetIDTGate(0x2B, (ulong)isr43, codeSeg, 0x8E);
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KeSetIDTGate(0x2C, (ulong)isr44, codeSeg, 0x8E);
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KeSetIDTGate(0x2D, (ulong)isr45, codeSeg, 0x8E);
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KeSetIDTGate(0x2E, (ulong)isr46, codeSeg, 0x8E);
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KeSetIDTGate(0x2F, (ulong)isr47, codeSeg, 0x8E);
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//Setup Early Exception handler
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for (uchar i = 0 ; i < 0x20 ; i++) {
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IdtRegisterIsr(IdtEarlyExceptionHandler, i);
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KeRegisterISR(EarlyExceptionHandler, i);
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}
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// Load IDT
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IdtInit();
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KeLoadIDT();
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DebugLog("[IdtSetup] Initialized !\n");
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}
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//
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// Set an interrupt gate
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//
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void IdtSetGate(uchar rank, ulong base, ushort selector, uchar flags)
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void KeSetIDTGate(uchar rank, ulong base, ushort selector, uchar flags)
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{
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// Set Base Address
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idt[rank].baseLow = base & 0xFFFF;
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@ -204,15 +205,19 @@ static void EnablePIC(void)
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// Set ICW1 - begin init of the PIC
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IoWriteByteOnPort(0x20, 0x11);
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IoWriteByteOnPort(0xa0, 0x11);
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// Set ICW2 (IRQ base offsets)
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IoWriteByteOnPort(0x21, 0x20); //0x20 is the first free interrupt for IRQ0
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IoWriteByteOnPort(0xa1, 0x28); // PIC2 is offseted to 0x28
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// Set ICW3
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IoWriteByteOnPort(0x21, 0x4);
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IoWriteByteOnPort(0xa1, 0x2);
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// Set ICW4
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IoWriteByteOnPort(0x21, 0x1);
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IoWriteByteOnPort(0xa1, 0x1);
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// Set OCW1 (interrupt masks)
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IoWriteByteOnPort(0x21, 0xff);
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IoWriteByteOnPort(0xa1, 0xff);
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@ -221,7 +226,7 @@ static void EnablePIC(void)
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//
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// Ends the current interrupt handling
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//
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void IoSendEOItoPIC(uchar isr)
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void KeSendEOItoPIC(uchar isr)
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{
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if(isr >= 8)
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IoWriteByteOnPort(0xa0,0x20);
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@ -229,12 +234,12 @@ void IoSendEOItoPIC(uchar isr)
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IoWriteByteOnPort(0x20,0x20);
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}
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void IoEnableNMI(void)
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void KeEnableNMI(void)
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{
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IoWriteByteOnPort(0x70, IoReadByteFromPort(0x70) & 0x7F);
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}
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void IoDisableNMI(void)
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void KeDisableNMI(void)
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{
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IoWriteByteOnPort(0x70, IoReadByteFromPort(0x70) | 0x80);
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}
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@ -242,13 +247,14 @@ void IoDisableNMI(void)
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//
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// The main ISR handler
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//
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void IsrHandler(ISRFrame_t *regs)
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void _KeHandleISR(ISRFrame_t *regs)
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{
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if ((!regs) || (!regs->rip))
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KeStartPanic("[ISR ?] Unknown ISR Exception Abort\n");
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if ((regs->intNo >= 0x15) && (regs->intNo <= 0x1F))
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return; // INTEL RESERVED
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if (regs->intNo == 0x0F)
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return; // INTEL RESERVED
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@ -261,14 +267,13 @@ void IsrHandler(ISRFrame_t *regs)
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bprintf(BStdOut, "[ISR 0x%x] %s\n", regs->intNo, "Unknown ISR Exception");
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BStdOut->flusher(BStdOut);
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IoSendEOItoPIC(regs->intNo);
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KeSendEOItoPIC(regs->intNo);
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}
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//
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// Early CPU Exception handler
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//
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void IdtEarlyExceptionHandler(ISRFrame_t *regs)
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static void EarlyExceptionHandler(ISRFrame_t *regs)
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{
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int recoverable = 0;
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@ -309,7 +314,8 @@ void IdtEarlyExceptionHandler(ISRFrame_t *regs)
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);
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} else {
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||||
bprintf(BStdOut, "[ISR 0x%x] %s\n", regs->intNo, ExceptionsChar[regs->intNo]);
|
||||
bprintf(BStdOut, "[ISR %#x] %s\n",
|
||||
regs->intNo, ExceptionsChar[regs->intNo]);
|
||||
BStdOut->flusher(BStdOut);
|
||||
}
|
||||
}
|
||||
|
||||
@ -26,27 +26,23 @@
|
||||
|
||||
%include "kaleid/kernel/cpu/cpuf.inc"
|
||||
|
||||
global IdtInit
|
||||
global KeLoadIDT
|
||||
global divideByZero
|
||||
extern idtPtr
|
||||
extern IsrHandler
|
||||
extern label0
|
||||
extern KernLog
|
||||
|
||||
extern _KeIdtPtr
|
||||
extern _KeHandleISR
|
||||
|
||||
;;
|
||||
;; Loads the IDT
|
||||
;;
|
||||
IdtInit:
|
||||
lidt [idtPtr]
|
||||
KeLoadIDT:
|
||||
lidt [_KeIdtPtr]
|
||||
ret
|
||||
|
||||
;;
|
||||
;; Bug test
|
||||
;;
|
||||
chain db "Salut", 0x0A, 0
|
||||
divideByZero:
|
||||
mov rdi, chain
|
||||
call KernLog
|
||||
ret
|
||||
|
||||
;;
|
||||
@ -71,7 +67,7 @@ isrPreHandler:
|
||||
mov rdi, rsp ; First argument points to the processor state
|
||||
mov rbp, 0 ; Terminate stack traces here
|
||||
|
||||
call IsrHandler
|
||||
call _KeHandleISR
|
||||
|
||||
; decrement mask count
|
||||
dec qword [gs:8]
|
||||
|
||||
@ -48,19 +48,16 @@ noreturn void BtStartKern(multiboot_info_t *mbInfo, uint mbMagic, void *codeSeg)
|
||||
MmInitMemoryMap();
|
||||
|
||||
// Interrupts launching
|
||||
IdtSetup();
|
||||
KeSetupIDT();
|
||||
KeEnableIRQs();
|
||||
|
||||
// Several inits
|
||||
MmInitHeap();
|
||||
|
||||
// Start drivers
|
||||
IoEnableRtc();
|
||||
KeEnableRTC();
|
||||
IoEnableKeyb();
|
||||
|
||||
IoGetRtcTimeChar();
|
||||
IoPrintRtcTime();
|
||||
|
||||
KeStartShell();
|
||||
|
||||
PoShutdown();
|
||||
|
||||
@ -22,14 +22,16 @@
|
||||
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
|
||||
//----------------------------------------------------------------------------//
|
||||
|
||||
#include <lib/buf.h>
|
||||
#include <io/cursor.h>
|
||||
#include <init/mboot.h>
|
||||
#include <lib/buf.h>
|
||||
#include <ke/time.h>
|
||||
#include <ke/idt.h>
|
||||
#include <io/spkr.h>
|
||||
#include <io/keyb.h>
|
||||
#include <io/cursor.h>
|
||||
#include <po/shtdwn.h>
|
||||
#include <mm/heap.h>
|
||||
#include <mm/mm.h>
|
||||
#include <ke/time.h>
|
||||
#include <io/spkr.h>
|
||||
#include <po/shtdwn.h>
|
||||
|
||||
// info.c
|
||||
extern void BtDoSanityChecks(uint mbMagic);
|
||||
@ -41,12 +43,6 @@ extern error_t IoInitVGABuffer(void);
|
||||
// ke/shell.c
|
||||
extern void KeStartShell(void);
|
||||
|
||||
// io/keyb.c
|
||||
extern void IoEnableKeyb(void);
|
||||
|
||||
// cpu/idt.c
|
||||
extern void IdtSetup(void);
|
||||
|
||||
// ps/proc.c test function
|
||||
extern void pstest(void);
|
||||
|
||||
|
||||
@ -24,6 +24,7 @@
|
||||
|
||||
#include <lib/buf.h>
|
||||
#include <io/keyb.h>
|
||||
#include <ke/idt.h>
|
||||
|
||||
static char EarlyScanCodes[100] = { 0 };
|
||||
static char Invisible[100] = { 0 };
|
||||
@ -119,7 +120,7 @@ void ScanCodesInit(void)
|
||||
Invisible[0x4D] = 1;
|
||||
}
|
||||
|
||||
void KeybHandler(ISRFrame_t *regs)
|
||||
static void KeybHandler(ISRFrame_t *regs)
|
||||
{
|
||||
char status;
|
||||
char code = 0;
|
||||
@ -135,7 +136,7 @@ void KeybHandler(ISRFrame_t *regs)
|
||||
if(code < 0) code = 0;
|
||||
}
|
||||
KeybPrint((int)code);
|
||||
IoSendEOItoPIC(0x21);
|
||||
KeSendEOItoPIC(0x21);
|
||||
}
|
||||
|
||||
void IoCreateInputBuffer(void)
|
||||
@ -154,13 +155,13 @@ void IoEnableKeyb(void)
|
||||
{
|
||||
ulong flags = KePauseIRQs();
|
||||
|
||||
IdtRegisterIsr(KeybHandler, 0x21);
|
||||
KeRegisterISR(KeybHandler, 0x21);
|
||||
char readedInterruptConfig = IoReadByteFromPort(0x21);
|
||||
IoWriteByteOnPort(0x21, 0xFD & readedInterruptConfig);
|
||||
|
||||
KeRestoreIRQs(flags);
|
||||
|
||||
IoEnableNMI();
|
||||
KeEnableNMI();
|
||||
ScanCodesInit();
|
||||
|
||||
IoCreateInputBuffer();
|
||||
|
||||
@ -49,24 +49,16 @@ void IoQuietSpeaker(void)
|
||||
|
||||
void IoDoBeep(void)
|
||||
{
|
||||
|
||||
IoStartSpeaker(1000);
|
||||
|
||||
IoRtcWait(100);
|
||||
|
||||
KeDelayExecution(100);
|
||||
IoQuietSpeaker();
|
||||
|
||||
}
|
||||
|
||||
void IoDoTone(uint tone, uint time)
|
||||
{
|
||||
|
||||
IoStartSpeaker(tone);
|
||||
|
||||
IoRtcWait(time);
|
||||
|
||||
KeDelayExecution(time);
|
||||
IoQuietSpeaker();
|
||||
|
||||
}
|
||||
|
||||
void IoDoStarWars(void)
|
||||
|
||||
@ -24,145 +24,162 @@
|
||||
|
||||
#include <lib/buf.h>
|
||||
#include <ke/time.h>
|
||||
#include <ke/idt.h>
|
||||
|
||||
static ulong IoRtcTicks = 0;
|
||||
static char IoTimeChar[22] = { 0 };
|
||||
static uchar RtcRate = 0x05; //2048Hz
|
||||
static Time_t IoRtcOriginTime;
|
||||
static Time_t IoRtcTime;
|
||||
static ulong Ticks = 0;
|
||||
static Time_t OriginTime;
|
||||
static Time_t CurTime;
|
||||
|
||||
// TODO asnprintf()
|
||||
static char TimeFmtBuf[22] = { 0 };
|
||||
|
||||
static uchar RTC_RATE = 0x05; //2048Hz
|
||||
static char time24or12Mode;
|
||||
|
||||
static void GetTimeFromRtc(void)
|
||||
static void GetTimeFromRTC(void)
|
||||
{
|
||||
Time_t lastTime;
|
||||
|
||||
char updateInProgress = 1;
|
||||
|
||||
while(updateInProgress) { // wait while the RTC updates its value
|
||||
// Wait while the RTC updates its value
|
||||
while (updateInProgress) {
|
||||
IoWriteByteOnPort(0x70, 0x0A);
|
||||
updateInProgress = (IoReadByteFromPort(0x71) & 0x80);
|
||||
}
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x0);
|
||||
IoRtcOriginTime.sec = IoReadByteFromPort(0x71);
|
||||
OriginTime.sec = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x02);
|
||||
IoRtcOriginTime.min = IoReadByteFromPort(0x71);
|
||||
OriginTime.min = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x04);
|
||||
IoRtcOriginTime.hour = IoReadByteFromPort(0x71);
|
||||
OriginTime.hour = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x06);
|
||||
IoRtcOriginTime.weekday = IoReadByteFromPort(0x71);
|
||||
OriginTime.weekday = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x07);
|
||||
IoRtcOriginTime.day = IoReadByteFromPort(0x71);
|
||||
OriginTime.day = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x08);
|
||||
IoRtcOriginTime.month = IoReadByteFromPort(0x71);
|
||||
OriginTime.month = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x09);
|
||||
IoRtcOriginTime.year = IoReadByteFromPort(0x71);
|
||||
OriginTime.year = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x32);
|
||||
IoRtcOriginTime.century = IoReadByteFromPort(0x71);
|
||||
OriginTime.century = IoReadByteFromPort(0x71);
|
||||
|
||||
// Now while we don't get the same value, read the registers (ensure data are valid)
|
||||
do {
|
||||
lastTime.sec = IoRtcOriginTime.sec;
|
||||
lastTime.min = IoRtcOriginTime.min;
|
||||
lastTime.hour = IoRtcOriginTime.hour;
|
||||
lastTime.weekday = IoRtcOriginTime.weekday;
|
||||
lastTime.day = IoRtcOriginTime.day;
|
||||
lastTime.month = IoRtcOriginTime.month;
|
||||
lastTime.year = IoRtcOriginTime.year;
|
||||
lastTime.century = IoRtcOriginTime.century;
|
||||
lastTime.sec = OriginTime.sec;
|
||||
lastTime.min = OriginTime.min;
|
||||
lastTime.hour = OriginTime.hour;
|
||||
lastTime.weekday = OriginTime.weekday;
|
||||
lastTime.day = OriginTime.day;
|
||||
lastTime.month = OriginTime.month;
|
||||
lastTime.year = OriginTime.year;
|
||||
lastTime.century = OriginTime.century;
|
||||
|
||||
while(updateInProgress) { // wait while the RTC updates its value
|
||||
while (updateInProgress) {
|
||||
IoWriteByteOnPort(0x70, 0x0A);
|
||||
updateInProgress = (IoReadByteFromPort(0x71) & 0x80);
|
||||
}
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x0);
|
||||
IoRtcOriginTime.sec = IoReadByteFromPort(0x71);
|
||||
IoWriteByteOnPort(0x70, 0x02);
|
||||
IoRtcOriginTime.min = IoReadByteFromPort(0x71);
|
||||
IoWriteByteOnPort(0x70, 0x04);
|
||||
IoRtcOriginTime.hour = IoReadByteFromPort(0x71);
|
||||
IoWriteByteOnPort(0x70, 0x06);
|
||||
IoRtcOriginTime.weekday = IoReadByteFromPort(0x71);
|
||||
IoWriteByteOnPort(0x70, 0x07);
|
||||
IoRtcOriginTime.day = IoReadByteFromPort(0x71);
|
||||
IoWriteByteOnPort(0x70, 0x08);
|
||||
IoRtcOriginTime.month = IoReadByteFromPort(0x71);
|
||||
IoWriteByteOnPort(0x70, 0x09);
|
||||
IoRtcOriginTime.year = IoReadByteFromPort(0x71);
|
||||
IoWriteByteOnPort(0x70, 0x32);
|
||||
IoRtcOriginTime.century = IoReadByteFromPort(0x71);
|
||||
OriginTime.sec = IoReadByteFromPort(0x71);
|
||||
|
||||
} while ( (lastTime.sec != IoRtcOriginTime.sec) || (lastTime.min != IoRtcOriginTime.min) ||
|
||||
(lastTime.hour != IoRtcOriginTime.hour) || (lastTime.weekday != IoRtcOriginTime.weekday) ||
|
||||
(lastTime.day != IoRtcOriginTime.day) || (lastTime.month != IoRtcOriginTime.month) ||
|
||||
(lastTime.year != IoRtcOriginTime.year) || (lastTime.century != IoRtcOriginTime.century)
|
||||
IoWriteByteOnPort(0x70, 0x02);
|
||||
OriginTime.min = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x04);
|
||||
OriginTime.hour = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x06);
|
||||
OriginTime.weekday = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x07);
|
||||
OriginTime.day = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x08);
|
||||
OriginTime.month = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x09);
|
||||
OriginTime.year = IoReadByteFromPort(0x71);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x32);
|
||||
OriginTime.century = IoReadByteFromPort(0x71);
|
||||
|
||||
} while ((lastTime.sec != OriginTime.sec)
|
||||
|| (lastTime.min != OriginTime.min)
|
||||
|| (lastTime.hour != OriginTime.hour)
|
||||
|| (lastTime.weekday != OriginTime.weekday)
|
||||
|| (lastTime.day != OriginTime.day)
|
||||
|| (lastTime.month != OriginTime.month)
|
||||
|| (lastTime.year != OriginTime.year)
|
||||
|| (lastTime.century != OriginTime.century)
|
||||
);
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x0B);
|
||||
time24or12Mode = IoReadByteFromPort(0x71);
|
||||
|
||||
// Convert to binary if it is necessary
|
||||
if (!(time24or12Mode & 0x04)) {
|
||||
IoRtcOriginTime.sec = (IoRtcOriginTime.sec & 0x0F)
|
||||
+ ((IoRtcOriginTime.sec / 16) * 10);
|
||||
IoRtcOriginTime.min = (IoRtcOriginTime.min & 0x0F)
|
||||
+ ((IoRtcOriginTime.min / 16) * 10);
|
||||
IoRtcOriginTime.hour = ( (IoRtcOriginTime.hour & 0x0F)
|
||||
+ (((IoRtcOriginTime.hour & 0x70) / 16) * 10) )
|
||||
| (IoRtcOriginTime.hour & 0x80);
|
||||
IoRtcOriginTime.day = (IoRtcOriginTime.day & 0x0F) + ((IoRtcOriginTime.day / 16) * 10);
|
||||
IoRtcOriginTime.month = (IoRtcOriginTime.month & 0x0F)
|
||||
+ ((IoRtcOriginTime.month / 16) * 10);
|
||||
IoRtcOriginTime.year = (IoRtcOriginTime.year & 0x0F)
|
||||
+ ((IoRtcOriginTime.year / 16) * 10);
|
||||
IoRtcOriginTime.century = (IoRtcOriginTime.century & 0x0F)
|
||||
+ ((IoRtcOriginTime.century / 16) * 10);
|
||||
IoRtcOriginTime.weekday = (IoRtcOriginTime.weekday & 0x0F)
|
||||
+ ((IoRtcOriginTime.weekday / 16) * 10);
|
||||
OriginTime.sec = (OriginTime.sec & 0x0F)
|
||||
+ ((OriginTime.sec / 16) * 10);
|
||||
|
||||
OriginTime.min = (OriginTime.min & 0x0F)
|
||||
+ ((OriginTime.min / 16) * 10);
|
||||
|
||||
OriginTime.hour = ( (OriginTime.hour & 0x0F)
|
||||
+ (((OriginTime.hour & 0x70) / 16) * 10) )
|
||||
| (OriginTime.hour & 0x80);
|
||||
|
||||
OriginTime.day = (OriginTime.day & 0x0F)
|
||||
+ ((OriginTime.day / 16) * 10);
|
||||
|
||||
OriginTime.month = (OriginTime.month & 0x0F)
|
||||
+ ((OriginTime.month / 16) * 10);
|
||||
|
||||
OriginTime.year = (OriginTime.year & 0x0F)
|
||||
+ ((OriginTime.year / 16) * 10);
|
||||
|
||||
OriginTime.century = (OriginTime.century & 0x0F)
|
||||
+ ((OriginTime.century / 16) * 10);
|
||||
|
||||
OriginTime.weekday = (OriginTime.weekday & 0x0F)
|
||||
+ ((OriginTime.weekday / 16) * 10);
|
||||
}
|
||||
|
||||
// Convert 12 to 24 hour if necessary
|
||||
if (!(time24or12Mode & 0x02) && (IoRtcOriginTime.hour & 0x80)) {
|
||||
IoRtcOriginTime.hour = ((IoRtcOriginTime.hour & 0x7)+ 10) % 24;
|
||||
if (!(time24or12Mode & 0x02) && (OriginTime.hour & 0x80)) {
|
||||
OriginTime.hour = ((OriginTime.hour & 0x7)+ 10) % 24;
|
||||
}
|
||||
|
||||
IoRtcTime.sec = IoRtcOriginTime.sec;
|
||||
IoRtcTime.min = IoRtcOriginTime.min;
|
||||
IoRtcTime.hour = IoRtcOriginTime.hour;
|
||||
IoRtcTime.weekday = IoRtcOriginTime.weekday;
|
||||
IoRtcTime.day = IoRtcOriginTime.day;
|
||||
IoRtcTime.month = IoRtcOriginTime.month;
|
||||
IoRtcTime.year = IoRtcOriginTime.year;
|
||||
IoRtcTime.century = IoRtcOriginTime.century;
|
||||
CurTime.sec = OriginTime.sec;
|
||||
CurTime.min = OriginTime.min;
|
||||
CurTime.hour = OriginTime.hour;
|
||||
CurTime.weekday = OriginTime.weekday;
|
||||
CurTime.day = OriginTime.day;
|
||||
CurTime.month = OriginTime.month;
|
||||
CurTime.year = OriginTime.year;
|
||||
CurTime.century = OriginTime.century;
|
||||
}
|
||||
|
||||
void RtcHandler(ISRFrame_t *regs)
|
||||
static void HandleRTC(ISRFrame_t *regs)
|
||||
{
|
||||
//bprintf(BStdOut, " *RTC - ");
|
||||
IoWriteByteOnPort(0x70, 0x0C); // Selects status reg C
|
||||
IoReadByteFromPort(0x71); // Flush
|
||||
IoRtcTicks++;
|
||||
IoSendEOItoPIC(0x28);
|
||||
//bprintf(BStdOut, " - EOI* ");
|
||||
Ticks++;
|
||||
KeSendEOItoPIC(0x28);
|
||||
}
|
||||
|
||||
void IoPrintRtcTime(void)
|
||||
char *KeFormatCurTime(void)
|
||||
{
|
||||
Time_t* RtcTime = IoGetRtcTime();
|
||||
KernLog("[RTC Time] %02d/%02d/%04d ; %02d:%02d:%02d \n",
|
||||
RtcTime->day,
|
||||
RtcTime->month,
|
||||
RtcTime->year + RtcTime->century*100,
|
||||
RtcTime->hour,
|
||||
RtcTime->min,
|
||||
RtcTime->sec
|
||||
);
|
||||
}
|
||||
|
||||
char* IoGetRtcTimeChar(void)
|
||||
{
|
||||
Time_t *RtcTime = IoGetRtcTime();
|
||||
snprintf(IoTimeChar, sizeof(IoTimeChar),
|
||||
Time_t *RtcTime = KeGetCurTime();
|
||||
snprintf(TimeFmtBuf, sizeof(TimeFmtBuf),
|
||||
"%02d/%02d/%02d ; %02d:%02d:%02d",
|
||||
RtcTime->day,
|
||||
RtcTime->month,
|
||||
@ -171,39 +188,42 @@ char* IoGetRtcTimeChar(void)
|
||||
RtcTime->min,
|
||||
RtcTime->sec
|
||||
);
|
||||
return IoTimeChar;
|
||||
return TimeFmtBuf;
|
||||
}
|
||||
|
||||
|
||||
static void UpdateRtcTime(void)
|
||||
static void UpdateCurTime(void)
|
||||
{
|
||||
ulong frequency = 32768 >> (RtcRate-1);
|
||||
ulong frequency = 32768 >> (RTC_RATE - 1);
|
||||
uchar minRemain, hourRemain, dayRemain;
|
||||
|
||||
IoRtcTime.sec =
|
||||
(uchar)(((ulong)IoRtcOriginTime.sec + (IoRtcTicks / frequency)) % 60);
|
||||
CurTime.sec =
|
||||
(uchar)(((ulong)OriginTime.sec + (Ticks / frequency)) % 60);
|
||||
|
||||
minRemain =
|
||||
(uchar)(((ulong)IoRtcOriginTime.sec + (IoRtcTicks / frequency)) / 60);
|
||||
(uchar)(((ulong)OriginTime.sec + (Ticks / frequency)) / 60);
|
||||
|
||||
CurTime.min =
|
||||
(uchar)(((ulong)OriginTime.min + minRemain) % 60);
|
||||
|
||||
IoRtcTime.min =
|
||||
(uchar)(((ulong)IoRtcOriginTime.min + minRemain) % 60);
|
||||
hourRemain =
|
||||
(uchar)(((ulong)IoRtcOriginTime.min + minRemain) / 60);
|
||||
(uchar)(((ulong)OriginTime.min + minRemain) / 60);
|
||||
|
||||
CurTime.hour =
|
||||
(uchar)(((ulong)OriginTime.hour + hourRemain) % 24);
|
||||
|
||||
IoRtcTime.hour =
|
||||
(uchar)(((ulong)IoRtcOriginTime.hour + hourRemain) % 24);
|
||||
dayRemain =
|
||||
(uchar)(((ulong)IoRtcOriginTime.hour + hourRemain) / 24);
|
||||
(uchar)(((ulong)OriginTime.hour + hourRemain) / 24);
|
||||
|
||||
if (dayRemain) {
|
||||
KeStartPanic("[RTC Time] We must shutdown this computer for your safety.\n");
|
||||
KeStartPanic("[RTC] We must shutdown this computer for your safety.\n");
|
||||
}
|
||||
}
|
||||
|
||||
Time_t* IoGetRtcTime(void)
|
||||
Time_t* KeGetCurTime(void)
|
||||
{
|
||||
UpdateRtcTime();
|
||||
return &IoRtcTime;
|
||||
UpdateCurTime();
|
||||
return &CurTime;
|
||||
}
|
||||
|
||||
static uint IsLeapYear(uint year)
|
||||
@ -224,9 +244,9 @@ static uint DaysInMonth(uint month, uint year)
|
||||
: 31 - (month - 1) % 7 % 2;
|
||||
}
|
||||
|
||||
ulong IoGetTimeStamp(void)
|
||||
ulong KeGetTimeStamp(void)
|
||||
{
|
||||
Time_t *time = IoGetRtcTime();
|
||||
Time_t *time = KeGetCurTime();
|
||||
|
||||
uint dpy = 365 + IsLeapYear(time->year);
|
||||
uint dim = DaysInMonth(time->month, time->year + time->century * 100);
|
||||
@ -240,23 +260,23 @@ ulong IoGetTimeStamp(void)
|
||||
* dpy * 24 * 60 * 60;
|
||||
}
|
||||
|
||||
ulong IoGetRtcTicks(void)
|
||||
ulong KeGetClockTicks(void)
|
||||
{
|
||||
return IoRtcTicks;
|
||||
return Ticks;
|
||||
}
|
||||
|
||||
void IoEnableRtc(void)
|
||||
void KeEnableRTC(void)
|
||||
{
|
||||
ulong flags = KePauseIRQs();
|
||||
char readInterruptConfig;
|
||||
char readRegister;
|
||||
char readIrqs;
|
||||
|
||||
IdtRegisterIsr(RtcHandler, 0x28);
|
||||
KeRegisterISR(HandleRTC, 0x28);
|
||||
|
||||
// Setting up the register control and interrupt rates
|
||||
DebugLog("[RTC Time] Interrupt frequency set to %d Hz\n",
|
||||
32768 >> (RtcRate-1));
|
||||
32768 >> (RTC_RATE - 1));
|
||||
|
||||
IoWriteByteOnPort(0x70, 0x8B);
|
||||
readRegister = IoReadByteFromPort(0x71);
|
||||
@ -266,7 +286,7 @@ void IoEnableRtc(void)
|
||||
IoWriteByteOnPort(0x70, 0x8A);
|
||||
readInterruptConfig = IoReadByteFromPort(0x71);
|
||||
IoWriteByteOnPort(0x70, 0x8A); // Because reading flushes
|
||||
IoWriteByteOnPort(0x71, (readInterruptConfig & 0xF0) | RtcRate);
|
||||
IoWriteByteOnPort(0x71, (readInterruptConfig & 0xF0) | RTC_RATE);
|
||||
IoWriteByteOnPort(0x70, 0x0C);
|
||||
IoReadByteFromPort(0x71); // Flush
|
||||
|
||||
@ -280,19 +300,20 @@ void IoEnableRtc(void)
|
||||
IoWriteByteOnPort(0x70, 0x0C); // Select status reg C
|
||||
IoReadByteFromPort(0x71); // Flush
|
||||
|
||||
GetTimeFromRtc();
|
||||
GetTimeFromRTC();
|
||||
KeRestoreIRQs(flags);
|
||||
IoEnableNMI();
|
||||
KeEnableNMI();
|
||||
|
||||
srand(IoGetTimeStamp());
|
||||
srand(KeGetTimeStamp());
|
||||
}
|
||||
|
||||
void IoRtcWait(uint time) // time in ms
|
||||
void KeDelayExecution(uint time)
|
||||
{
|
||||
ulong frequency = 32768 >> (RtcRate-1);
|
||||
ulong beginTick = IoGetRtcTicks();
|
||||
while(IoGetRtcTicks() < beginTick + (frequency/1000) * time) {
|
||||
KePauseCPU();
|
||||
ulong frequency = 32768 >> (RTC_RATE - 1);
|
||||
ulong beginTick = KeGetClockTicks();
|
||||
|
||||
while (KeGetClockTicks() < beginTick + (frequency/1000) * time) {
|
||||
KeRelaxCPU();
|
||||
}
|
||||
|
||||
}
|
||||
@ -27,9 +27,9 @@
|
||||
|
||||
noreturn void PoShutdownQemu(void)
|
||||
{
|
||||
KernLog("\nShutdown QEMU at %s...\n", IoGetRtcTimeChar());
|
||||
KernLog("\nShutdown QEMU at %s...\n", KeFormatCurTime());
|
||||
|
||||
IoRtcWait(1000);
|
||||
KeDelayExecution(1000);
|
||||
|
||||
IoWriteWordOnPort(0x604, 0x2000);
|
||||
|
||||
@ -39,9 +39,9 @@ noreturn void PoShutdownQemu(void)
|
||||
|
||||
noreturn void PoShutdownVirtualbox(void)
|
||||
{
|
||||
KernLog("\nShutdown VirtualBox at %s...\n", IoGetRtcTimeChar());
|
||||
KernLog("\nShutdown VirtualBox at %s...\n", KeFormatCurTime());
|
||||
|
||||
IoRtcWait(1000);
|
||||
KeDelayExecution(1000);
|
||||
|
||||
IoWriteWordOnPort(0x4004, 0x3400);
|
||||
|
||||
@ -51,9 +51,9 @@ noreturn void PoShutdownVirtualbox(void)
|
||||
|
||||
noreturn void PoShutdownBochs(void)
|
||||
{
|
||||
KernLog("\nShutdown Bochs at %s...\n", IoGetRtcTimeChar());
|
||||
KernLog("\nShutdown Bochs at %s...\n", KeFormatCurTime());
|
||||
|
||||
IoRtcWait(1000);
|
||||
KeDelayExecution(1000);
|
||||
|
||||
IoWriteWordOnPort(0xB004, 0x2000);
|
||||
|
||||
|
||||
@ -70,7 +70,7 @@ error_t CmdHelp(int argc, char **argv, char *cmdline)
|
||||
|
||||
error_t CmdDate(int argc, char **argv, char *cmdline)
|
||||
{
|
||||
IoPrintRtcTime();
|
||||
KernLog("%s\n", KeFormatCurTime());
|
||||
return EOK;
|
||||
}
|
||||
|
||||
@ -213,9 +213,9 @@ error_t CmdPF(int argc, char **argv, char *cmdline)
|
||||
return EOK;
|
||||
}
|
||||
|
||||
extern void KeStartShell(void);
|
||||
error_t CmdShell(int argc, char **argv, char *cmdline)
|
||||
{
|
||||
extern void KeStartShell(void);
|
||||
KeStartShell();
|
||||
return EOK;
|
||||
}
|
||||
@ -225,6 +225,7 @@ error_t CmdShell(int argc, char **argv, char *cmdline)
|
||||
Command_t cmdtable[] =
|
||||
{
|
||||
{ "beep", CmdBeep, "Make a beep" },
|
||||
{ "cls", CmdClear, "Clears standard output" },
|
||||
{ "date", CmdDate, "Print date" },
|
||||
{ "die", CmdDie, "Die painfully" },
|
||||
{ "exit", CmdQuit, "Initiate shutdown" },
|
||||
@ -234,8 +235,9 @@ Command_t cmdtable[] =
|
||||
{ "musage", CmdMemUsage, "Show memory statistics" },
|
||||
{ "pfault", CmdPF, "Provokes a PF" },
|
||||
{ "pstest", CmdPsTest, "Scheduler test routine" },
|
||||
{ "shell", CmdShell, "New shell instance" },
|
||||
{ "quit", CmdQuit, "Alias for 'exit'" },
|
||||
{ "shell", CmdShell, "New shell instance" },
|
||||
{ "time", CmdTime, "Print time" },
|
||||
{ NULL, NULL, NULL }
|
||||
};
|
||||
|
||||
|
||||
@ -72,7 +72,7 @@ error_t bgetc(Buffer_t *buf, uchar *ch)
|
||||
// (so that BStdIn works; don't make anything else)
|
||||
while (buf->rp >= buf->wp) {
|
||||
#ifdef _KALEID_KERNEL
|
||||
IoRtcWait(1);
|
||||
KeDelayExecution(1);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user