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| author | H. Peter Anvin <hpa@zytor.com> | 2016-02-09 18:08:47 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2016-02-09 18:08:47 -0800 |
| commit | f2f897a1762fab84d2905f32b1c15dd7b42abb56 (patch) | |
| tree | a38f51d3f1fcbf44afddb4736d549c12eaf491be /gpxe/src/arch/i386/drivers/net/undiisr.S | |
| parent | 72d2959272b4616f17a97667e6dfa9d06bf109a3 (diff) | |
| download | syslinux-f2f897a1762fab84d2905f32b1c15dd7b42abb56.tar.gz | |
gpxe: delete long since obsolete snapshot of gPXE
gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'gpxe/src/arch/i386/drivers/net/undiisr.S')
| -rw-r--r-- | gpxe/src/arch/i386/drivers/net/undiisr.S | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gpxe/src/arch/i386/drivers/net/undiisr.S b/gpxe/src/arch/i386/drivers/net/undiisr.S deleted file mode 100644 index b27effe1..00000000 --- a/gpxe/src/arch/i386/drivers/net/undiisr.S +++ /dev/null @@ -1,87 +0,0 @@ -FILE_LICENCE ( GPL2_OR_LATER ) - -#define PXENV_UNDI_ISR 0x0014 -#define PXENV_UNDI_ISR_IN_START 1 -#define PXENV_UNDI_ISR_OUT_OURS 0 -#define PXENV_UNDI_ISR_OUT_NOT_OURS 1 - -#define IRQ_PIC_CUTOFF 8 -#define ICR_EOI_NON_SPECIFIC 0x20 -#define PIC1_ICR 0x20 -#define PIC2_ICR 0xa0 - - .text - .arch i386 - .code16 - - .section ".text16", "ax", @progbits - .globl undiisr -undiisr: - - /* Preserve registers */ - pushw %ds - pushw %es - pushw %fs - pushw %gs - pushfl - pushal - - /* Set up our segment registers */ - movw %cs:rm_ds, %ax - movw %ax, %ds - - /* Check that we have an UNDI entry point */ - cmpw $0, pxeparent_entry_point - je chain - - /* Issue UNDI API call */ - movw %ax, %es - movw $undinet_params, %di - movw $PXENV_UNDI_ISR, %bx - movw $PXENV_UNDI_ISR_IN_START, funcflag - pushw %es - pushw %di - pushw %bx - lcall *pxeparent_entry_point - cli /* Just in case */ - addw $6, %sp - cmpw $PXENV_UNDI_ISR_OUT_OURS, funcflag - jne eoi - -trig: /* Record interrupt occurence */ - incb undiisr_trigger_count - -eoi: /* Send EOI */ - movb $ICR_EOI_NON_SPECIFIC, %al - cmpb $IRQ_PIC_CUTOFF, undiisr_irq - jb 1f - outb %al, $PIC2_ICR -1: outb %al, $PIC1_ICR - jmp exit - -chain: /* Chain to next handler */ - pushfw - lcall *undiisr_next_handler - -exit: /* Restore registers and return */ - cli - popal - movzwl %sp, %esp - addr32 movl -20(%esp), %esp /* %esp isn't restored by popal */ - popfl - popw %gs - popw %fs - popw %es - popw %ds - iret - - .section ".data16", "aw", @progbits -undinet_params: -status: .word 0 -funcflag: .word 0 -bufferlength: .word 0 -framelength: .word 0 -frameheaderlength: .word 0 -frame: .word 0, 0 -prottype: .byte 0 -pkttype: .byte 0 |