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Removed HlIoPortWait(), fixed PIC port addresses, improved formatting

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This commit is contained in:
Jozef Nagy
2023-11-28 17:00:14 +01:00
parent 656c6b7d59
commit 0efd9ade59
10 changed files with 50 additions and 111 deletions
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16
xtoskrnl/hl/amd64/ioport.c
View File

@@ -143,19 +143,3 @@ HlIoPortOutShort(IN USHORT Port,
: "a" (Value),
"Nd" (Port));
}
/**
* Sends a 0x00 byte to an unused IO port.
* This operation takes 1 - 4 microseconds and functions as an
* imprecise wait function.
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCDECL
VOID
HlIoPortWait(VOID)
{
HlIoPortOutByte(0x80, 0x00);
}

16
xtoskrnl/hl/i686/ioport.c
View File

@@ -143,19 +143,3 @@ HlIoPortOutShort(IN USHORT Port,
: "a" (Value),
"Nd" (Port));
}
/**
* Sends a 0x00 byte to an unused IO port.
* This operation takes 1 - 4 microseconds and functions as an
* imprecise wait function.
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCDECL
VOID
HlIoPortWait(VOID)
{
HlIoPortOutByte(0x80, 0x00);
}

43
xtoskrnl/hl/pic.c
View File

@@ -21,25 +21,25 @@ VOID
HlInitializePic(VOID)
{
/* Start in cascade mode */
HlWritePic(PIC_MASTER_COMMAND, PIC_ICW1_INIT | PIC_ICW1_ICW4);
HlWritePic(PIC_SLAVE_COMMAND, PIC_ICW1_INIT | PIC_ICW1_ICW4);
HlWritePic(PIC1_CONTROL_PORT, PIC_ICW1_INIT | PIC_ICW1_ICW4);
HlWritePic(PIC2_CONTROL_PORT, PIC_ICW1_INIT | PIC_ICW1_ICW4);
/* Master PIC Vector offset */
HlWritePic(PIC_MASTER_DATA, 0x20);
/* Slave PIC Vector offset */
HlWritePic(PIC_SLAVE_DATA, 0x28);
/* PIC Vector offset */
HlWritePic(PIC1_DATA_PORT, 0x20);
HlWritePic(PIC2_DATA_PORT, 0x28);
/* Tell Master PIC that there is a Slave PIC */
HlWritePic(PIC_MASTER_DATA, 4);
HlWritePic(PIC1_DATA_PORT, 4);
/* Tell Slave PIC its cascade identity */
HlWritePic(PIC_SLAVE_DATA, 2);
HlWritePic(PIC2_DATA_PORT, 2);
/* Tell Master PIC to use 8086 mode */
HlWritePic(PIC_MASTER_DATA, PIC_ICW4_8086);
/* Tell Slave PIC to use 8086 mode */
HlWritePic(PIC_SLAVE_DATA, PIC_ICW4_8086);
/* Tell PIC to use 8086 mode */
HlWritePic(PIC1_DATA_PORT, PIC_ICW4_8086);
HlWritePic(PIC2_DATA_PORT, PIC_ICW4_8086);
/* Mask all IRQs by default */
/* This makes sure we don't get any interrupts we can't handle yet. */
for (UCHAR Irq = 0; Irq < 16; Irq++)
{
HlSetMaskIrqPic(Irq);
@@ -58,14 +58,14 @@ HlInitializePic(VOID)
*/
XTCDECL
VOID
HlSetMaskIrqPic(UINT Irq)
HlSetMaskIrqPic(UCHAR Irq)
{
UINT Port;
if(Irq < 8) {
Port = PIC_MASTER_DATA;
Port = PIC1_DATA_PORT;
} else {
Port = PIC_SLAVE_DATA;
Port = PIC2_DATA_PORT;
Irq -= 8;
}
@@ -84,14 +84,14 @@ HlSetMaskIrqPic(UINT Irq)
*/
XTCDECL
VOID
HlClearMaskIrqPic(UINT Irq)
HlClearMaskIrqPic(UCHAR Irq)
{
UINT Port;
if(Irq < 8) {
Port = PIC_MASTER_DATA;
Port = PIC1_DATA_PORT;
} else {
Port = PIC_SLAVE_DATA;
Port = PIC2_DATA_PORT;
Irq -= 8;
}
@@ -109,8 +109,8 @@ XTCDECL
VOID
HlDisablePic(VOID)
{
HlIoPortOutByte(PIC_MASTER_DATA, 0xFF);
HlIoPortOutByte(PIC_SLAVE_DATA, 0xFF);
HlIoPortOutByte(PIC1_DATA_PORT, 0xFF);
HlIoPortOutByte(PIC2_DATA_PORT, 0xFF);
}
XTFASTCALL
@@ -119,8 +119,9 @@ HlWritePic(IN UCHAR Register, IN UCHAR Value)
{
/* Send data */
HlIoPortOutByte(Register, Value);
/* Wait for some time to make sure PIC has processed the data */
HlIoPortWait();
HlIoPortOutByte(0x80, 0x00);
}
/**

18
xtoskrnl/includes/amd64/hl.h
View File

@@ -1,18 +0,0 @@
/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/amd64/hl.h
* DESCRIPTION: AMD64 hardware abstraction layer routines
* DEVELOPERS: Jozef Nagy <schkwve@gmail.com>
*/
#ifndef __XTOSKRNL_AMD64_HL_H
#define __XTOSKRNL_AMD64_HL_H
#include <xtos.h>
XTCDECL
VOID
HlIoPortWait(VOID);
#endif /* __XTOSKRNL_AMD64_HL_H */

4
xtoskrnl/includes/hl.h
View File

@@ -19,11 +19,11 @@ HlInitializePic(VOID);
XTCDECL
VOID
HlSetMaskIrqPic(UINT Irq);
HlSetMaskIrqPic(UCHAR Irq);
XTCDECL
VOID
HlClearMaskIrqPic(UINT Irq);
HlClearMaskIrqPic(UCHAR Irq);
XTCDECL
VOID

18
xtoskrnl/includes/i686/hl.h
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@@ -1,18 +0,0 @@
/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/i686/hl.h
* DESCRIPTION: I686 hardware abstraction layer routines
* DEVELOPERS: Jozef Nagy <schkwve@gmail.com>
*/
#ifndef __XTOSKRNL_I686_HL_H
#define __XTOSKRNL_I686_HL_H
#include <xtos.h>
XTCDECL
VOID
HlIoPortWait(VOID);
#endif /* __XTOSKRNL_I686_HL_H */

1
xtoskrnl/includes/xtos.h
View File

@@ -22,7 +22,6 @@
#include ARCH_HEADER(globals.h)
#include ARCH_HEADER(ar.h)
#include ARCH_HEADER(hl.h)
#include ARCH_HEADER(ke.h)
#include ARCH_HEADER(mm.h)
#include ARCH_HEADER(rtl.h)