From: John Hodge <tpg@portege.mutabah.net>
Date: Sun, 11 Oct 2009 07:55:04 +0000 (+0800)
Subject: Fixed network triple fault, packets now send successfully.
X-Git-Tag: rel0.06~382
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=b37a72724f8584364a3b0f3c57882e803155e499;p=tpg%2Facess2.git

Fixed network triple fault, packets now send successfully.
Changed RTC to fire at 4 Hz, instead of 1024Hz
Slight changes to EXT2, library functions and IRQ handling
---

diff --git a/Kernel/arch/x86/desctab.asm b/Kernel/arch/x86/desctab.asm
index a66bfa3d..2d0a2329 100644
--- a/Kernel/arch/x86/desctab.asm
+++ b/Kernel/arch/x86/desctab.asm
@@ -142,6 +142,7 @@ _Isr%1:
 %macro DEF_IRQ	1
 [global _Isr%1]
 _Isr%1:
+	;cli	; HACK!
 	push	0
 	push	%1
 	jmp	IRQCommon
diff --git a/Kernel/arch/x86/irq.c b/Kernel/arch/x86/irq.c
index 586768ea..7e565971 100644
--- a/Kernel/arch/x86/irq.c
+++ b/Kernel/arch/x86/irq.c
@@ -33,9 +33,11 @@ void IRQ_Handler(tRegs *Regs)
 			gIRQ_Handlers[Regs->int_num][i](Regs->int_num);
 	}
 	
+	//Log(" IRQ_Handler: Resetting");
 	if(Regs->int_num >= 8)
 		outb(0xA0, 0x20);	// ACK IRQ (Secondary PIC)
 	outb(0x20, 0x20);	// ACK IRQ
+	//Log("IRQ_Handler: RETURN");
 }
 
 /**
diff --git a/Kernel/arch/x86/lib.c b/Kernel/arch/x86/lib.c
index 2334417c..6b9ee1e6 100644
--- a/Kernel/arch/x86/lib.c
+++ b/Kernel/arch/x86/lib.c
@@ -50,11 +50,15 @@ Uint32 ind(Uint16 Port)
 
 /**
  * \fn void *memset(void *Dest, int Val, Uint Num)
- * \brief Do a byte set of Dest
+ * \brief Do a byte granuality set of Dest
  */
 void *memset(void *Dest, int Val, Uint Num)
 {
-	__asm__ __volatile__ ("rep stosb" :: "D" (Dest), "a" (Val), "c" (Num));
+	__asm__ __volatile__ (
+		"rep stosl;\n\t"
+		"mov %3, %%ecx;\n\t"
+		"rep stosb"
+		:: "D" (Dest), "a" (Val), "c" (Num/4), "r" (Num&3));
 	return Dest;
 }
 /**
@@ -72,7 +76,15 @@ void *memsetd(void *Dest, Uint Val, Uint Num)
  */
 void *memcpy(void *Dest, void *Src, Uint Num)
 {
-	__asm__ __volatile__ ("rep movsb" :: "D" (Dest), "S" (Src), "c" (Num));
+	if((Uint)Dest & 3 || (Uint)Src & 3)
+		__asm__ __volatile__ ("rep movsb" :: "D" (Dest), "S" (Src), "c" (Num));
+	else {
+		__asm__ __volatile__ (
+			"rep movsl;\n\t"
+			"mov %3, %%ecx;\n\t"
+			"rep movsb"
+			:: "D" (Dest), "S" (Src), "c" (Num/4), "r" (Num&3));
+	}
 	return Dest;
 }
 /**
@@ -101,6 +113,7 @@ Uint64 __udivdi3(Uint64 Num, Uint64 Den)
 	if(Den == 32)	return Num >> 5;	// Speed Hacks
 	if(Den == 1024)	return Num >> 10;	// Speed Hacks
 	if(Den == 2048)	return Num >> 11;	// Speed Hacks
+	if(Den == 4096)	return Num >> 12;
 	
 	if(Num >> 32 == 0 && Den >> 32 == 0)
 		return (Uint32)Num / (Uint32)Den;
@@ -131,6 +144,7 @@ Uint64 __umoddi3(Uint64 Num, Uint64 Den)
 	if(Den == 32)	return Num & 31;	// Speed Hacks
 	if(Den == 1024)	return Num & 1023;	// Speed Hacks
 	if(Den == 2048)	return Num & 2047;	// Speed Hacks
+	if(Den == 4096)	return Num & 4095;	// Speed Hacks
 	
 	if(Num >> 32 == 0 && Den >> 32 == 0)
 		return (Uint32)Num % (Uint32)Den;
diff --git a/Kernel/arch/x86/time.c b/Kernel/arch/x86/time.c
index adc2d133..bbdfcfca 100644
--- a/Kernel/arch/x86/time.c
+++ b/Kernel/arch/x86/time.c
@@ -8,7 +8,8 @@
 // === MACROS ===
 #define	NUM_TIMERS	8
 #define	TIMER_QUANTUM	100
-#define TIMER_FREQ	1024	//Hz
+#define TIMER_RATE	13	// (Max: 15, Min: 2) - 15 = 1Hz, 13 = 4Hz, 10 = 1024Hz
+#define TIMER_FREQ	(32768>>TIMER_RATE)	//Hz
 #define MS_PER_TICK_WHOLE	(1000/(TIMER_FREQ))
 #define MS_PER_TICK_FRACT	((Uint64)(1000*TIMER_FREQ-((Uint64)MS_PER_TICK_WHOLE)*0x80000000/TIMER_FREQ))
 
@@ -41,6 +42,14 @@ int Time_Setup()
 	outb(0x70, inb(0x70)&0x7F);	// Disable NMIs
 	__asm__ __volatile__ ("cli");	// Disable normal interrupts
 	
+	// Set IRQ8 firing rate
+	outb(0x70, 0x0A);	// Set the index to register A
+	val = inb(0x71); // Get the current value of register A
+	outb(0x70, 0x0A); // Reset index to A
+	val &= 0xF0;
+	val |= TIMER_RATE;
+	outb(0x71, val);	// Update the timer rate
+		
 	// Enable IRQ8
 	outb(0x70, 0x0B);	// Set the index to register B
 	val = inb(0x71);	// Read the current value of register B
diff --git a/Kernel/drv/ata_x86.c b/Kernel/drv/ata_x86.c
index 540ba2f6..50404741 100644
--- a/Kernel/drv/ata_x86.c
+++ b/Kernel/drv/ata_x86.c
@@ -770,7 +770,7 @@ Uint ATA_WriteRaw(Uint64 Address, Uint Count, void *Buffer, Uint Disk)
 	Uint	offset;
 	Uint	done = 0;
 	 
-	// Pass straight on to ATA_ReadDMAPage if we can
+	// Pass straight on to ATA_WriteDMA if we can
 	if(Count <= MAX_DMA_SECTORS)
 	{
 		ret = ATA_WriteDMA(Disk, Address, Count, Buffer);
@@ -797,7 +797,7 @@ Uint ATA_WriteRaw(Uint64 Address, Uint Count, void *Buffer, Uint Disk)
 }
 
 /**
- * \fn int ATA_ReadDMAPage(Uint8 Disk, Uint64 Address, Uint Count, void *Buffer)
+ * \fn int ATA_ReadDMA(Uint8 Disk, Uint64 Address, Uint Count, void *Buffer)
  */
 int ATA_ReadDMA(Uint8 Disk, Uint64 Address, Uint Count, void *Buffer)
 {
diff --git a/Kernel/drv/ne2000.c b/Kernel/drv/ne2000.c
index 6fdbe894..a0321912 100644
--- a/Kernel/drv/ne2000.c
+++ b/Kernel/drv/ne2000.c
@@ -240,27 +240,41 @@ Uint64 Ne2k_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
 		return 0;
 	}
 	
+	// Make sure that the card is in page 0
 	outb(Card->IOBase + CMD, 0|0x22);	// Page 0, Start, NoDMA
-	// Send Size - Transmit Byte Count Register
+	
+	// Clear Remote DMA Flag
+	outb(Card->IOBase + ISR, 0x40);	// Bit 6
+	
+	// Send Size - Remote Byte Count Register
 	outb(Card->IOBase + TBCR0, Length & 0xFF);
 	outb(Card->IOBase + TBCR1, Length >> 8);
+	
 	// Send Size - Remote Byte Count Register
 	outb(Card->IOBase + RBCR0, Length & 0xFF);
 	outb(Card->IOBase + RBCR1, Length >> 8);
-	// Clear Remote DMA Flag
-	outb(Card->IOBase + ISR, 0x40);	// Bit 6
+	
 	// Set up transfer
 	outb(Card->IOBase + RSAR0, 0x00);	// Page Offset
 	outb(Card->IOBase + RSAR1, Ne2k_int_GetWritePage(Card, Length));	// Page Offset
 	// Start
-	outb(Card->IOBase + CMD, 0|0x18|0x4|0x2);	// Page 0, Transmit Packet, TXP, Start
+	//outb(Card->IOBase + CMD, 0|0x18|0x4|0x2);	// Page 0, Transmit Packet, TXP, Start
+	outb(Card->IOBase + CMD, 0|0x10|0x2);	// Page 0, Remote Write, Start
 	
 	// Send Data
 	for(rem = Length; rem; rem -= 2)
 		outw(Card->IOBase + 0x10, *buf++);
 	
+	while( inb(Card->IOBase + ISR) == 0)	// Wait for Remote DMA Complete
+		;	//Proc_Yield();
+	
+	outb( Card->IOBase + ISR, 0x40 );	// ACK Interrupt
+	
+	// Send Packet
+	outb(Card->IOBase + CMD, 0|0x10|0x4|0x2);
+	
 	// Complete DMA
-	outb(Card->IOBase + CMD, 0|0x20);
+	//outb(Card->IOBase + CMD, 0|0x20);
 	
 	LEAVE('i', Length);
 	return Length;
@@ -286,4 +300,14 @@ Uint8 Ne2k_int_GetWritePage(tCard *Card, Uint16 Length)
  */
 void Ne2k_IRQHandler(int IntNum)
 {
+	 int	i;
+	for( i = 0; i < giNe2k_CardCount; i++ )
+	{
+		if(gpNe2k_Cards[i].IRQ == IntNum) {
+			LOG("Clearing interrupts on card %i (0x%x)\n", i, inb( gpNe2k_Cards[i].IOBase + ISR ));
+			outb( gpNe2k_Cards[i].IOBase + ISR, 0xFF );	// Reset All
+			return ;
+		}
+	}
+	Warning("[NE2K ] Recieved Unknown IRQ %i", IntNum);
 }
diff --git a/Kernel/vfs/fs/ext2.c b/Kernel/vfs/fs/ext2.c
index da941f72..fe0f25db 100644
--- a/Kernel/vfs/fs/ext2.c
+++ b/Kernel/vfs/fs/ext2.c
@@ -533,6 +533,7 @@ tVFS_Node *Ext2_int_CreateNode(tExt2_Disk *Disk, Uint InodeID, char *Name)
 	// Regular File
 	case EXT2_S_IFREG:
 		retNode.Flags = 0;
+		retNode.Size |= (Uint64)inode.i_dir_acl << 32;
 		break;
 	// Directory
 	case EXT2_S_IFDIR:
diff --git a/Kernel/vfs/fs/fs_ext2.h b/Kernel/vfs/fs/fs_ext2.h
index 9f84673b..0041116e 100644
--- a/Kernel/vfs/fs/fs_ext2.h
+++ b/Kernel/vfs/fs/fs_ext2.h
@@ -93,7 +93,7 @@ struct ext2_inode_s {
 	Uint32 i_block[15];	//!< Pointers to blocks
 	Uint32 i_version; 	//!< File version (for NFS)
 	Uint32 i_file_acl;	//!< File ACL
-	Uint32 i_dir_acl;	//!< Directory ACL
+	Uint32 i_dir_acl;	//!< Directory ACL / Extended File Size
 	Uint32 i_faddr; 	//!< Fragment address
 	union {
 		struct {