diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/arch/x86/include/pic8259.h | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/arch/x86/include/pic8259.h')
-rw-r--r-- | qemu/roms/ipxe/src/arch/x86/include/pic8259.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/qemu/roms/ipxe/src/arch/x86/include/pic8259.h b/qemu/roms/ipxe/src/arch/x86/include/pic8259.h deleted file mode 100644 index f02e62909..000000000 --- a/qemu/roms/ipxe/src/arch/x86/include/pic8259.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Basic support for controlling the 8259 Programmable Interrupt Controllers. - * - * Initially written by Michael Brown (mcb30). - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#ifndef PIC8259_H -#define PIC8259_H - -#include <ipxe/io.h> - -#define IRQ_PIC_CUTOFF 8 - -/* 8259 register locations */ -#define PIC1_ICW1 0x20 -#define PIC1_OCW2 0x20 -#define PIC1_OCW3 0x20 -#define PIC1_ICR 0x20 -#define PIC1_IRR 0x20 -#define PIC1_ISR 0x20 -#define PIC1_ICW2 0x21 -#define PIC1_ICW3 0x21 -#define PIC1_ICW4 0x21 -#define PIC1_IMR 0x21 -#define PIC2_ICW1 0xa0 -#define PIC2_OCW2 0xa0 -#define PIC2_OCW3 0xa0 -#define PIC2_ICR 0xa0 -#define PIC2_IRR 0xa0 -#define PIC2_ISR 0xa0 -#define PIC2_ICW2 0xa1 -#define PIC2_ICW3 0xa1 -#define PIC2_ICW4 0xa1 -#define PIC2_IMR 0xa1 - -/* Register command values */ -#define OCW3_ID 0x08 -#define OCW3_READ_IRR 0x03 -#define OCW3_READ_ISR 0x02 -#define ICR_EOI_NON_SPECIFIC 0x20 -#define ICR_EOI_NOP 0x40 -#define ICR_EOI_SPECIFIC 0x60 -#define ICR_EOI_SET_PRIORITY 0xc0 - -/* Macros to enable/disable IRQs */ -#define IMR_REG(x) ( (x) < IRQ_PIC_CUTOFF ? PIC1_IMR : PIC2_IMR ) -#define IMR_BIT(x) ( 1 << ( (x) % IRQ_PIC_CUTOFF ) ) -#define irq_enabled(x) ( ( inb ( IMR_REG(x) ) & IMR_BIT(x) ) == 0 ) -#define enable_irq(x) outb ( inb( IMR_REG(x) ) & ~IMR_BIT(x), IMR_REG(x) ) -#define disable_irq(x) outb ( inb( IMR_REG(x) ) | IMR_BIT(x), IMR_REG(x) ) - -/* Macros for acknowledging IRQs */ -#define ICR_REG( irq ) ( (irq) < IRQ_PIC_CUTOFF ? PIC1_ICR : PIC2_ICR ) -#define ICR_VALUE( irq ) ( (irq) % IRQ_PIC_CUTOFF ) -#define CHAINED_IRQ 2 - -/* Utility macros to convert IRQ numbers to INT numbers and INT vectors */ -#define IRQ_INT( irq ) ( ( ( (irq) - IRQ_PIC_CUTOFF ) ^ 0x70 ) & 0x7f ) - -/* Other constants */ -#define IRQ_MAX 15 -#define IRQ_NONE -1U - -/* Function prototypes - */ -void send_eoi ( unsigned int irq ); - -#endif /* PIC8259_H */ |