1 files changed, 0 insertions, 158 deletions

diff --git a/qemu/roms/ipxe/src/arch/i386/transitions/librm_mgmt.c b/qemu/roms/ipxe/src/arch/i386/transitions/librm_mgmt.c
deleted file mode 100644
index becb02677..000000000
--- a/qemu/roms/ipxe/src/arch/i386/transitions/librm_mgmt.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * librm: a library for interfacing to real-mode code
- *
- * Michael Brown <mbrown@fensystems.co.uk>
- *
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <stdint.h>
-#include <ipxe/profile.h>
-#include <realmode.h>
-#include <pic8259.h>
-
-/*
- * This file provides functions for managing librm.
- *
- */
-
-/** The interrupt wrapper */
-extern char interrupt_wrapper[];
-
-/** The interrupt vectors */
-static struct interrupt_vector intr_vec[NUM_INT];
-
-/** The interrupt descriptor table */
-struct interrupt_descriptor idt[NUM_INT] __attribute__ (( aligned ( 16 ) ));
-
-/** The interrupt descriptor table register */
-struct idtr idtr = {
-	.limit = ( sizeof ( idt ) - 1 ),
-};
-
-/** Timer interrupt profiler */
-static struct profiler timer_irq_profiler __profiler = { .name = "irq.timer" };
-
-/** Other interrupt profiler */
-static struct profiler other_irq_profiler __profiler = { .name = "irq.other" };
-
-/**
- * Allocate space on the real-mode stack and copy data there from a
- * user buffer
- *
- * @v data		User buffer
- * @v size		Size of stack data
- * @ret sp		New value of real-mode stack pointer
- */
-uint16_t copy_user_to_rm_stack ( userptr_t data, size_t size ) {
-	userptr_t rm_stack;
-	rm_sp -= size;
-	rm_stack = real_to_user ( rm_ss, rm_sp );
-	memcpy_user ( rm_stack, 0, data, 0, size );
-	return rm_sp;
-};
-
-/**
- * Deallocate space on the real-mode stack, optionally copying back
- * data to a user buffer.
- *
- * @v data		User buffer
- * @v size		Size of stack data
- */
-void remove_user_from_rm_stack ( userptr_t data, size_t size ) {
-	if ( data ) {
-		userptr_t rm_stack = real_to_user ( rm_ss, rm_sp );
-		memcpy_user ( rm_stack, 0, data, 0, size );
-	}
-	rm_sp += size;
-};
-
-/**
- * Set interrupt vector
- *
- * @v intr		Interrupt number
- * @v vector		Interrupt vector, or NULL to disable
- */
-void set_interrupt_vector ( unsigned int intr, void *vector ) {
-	struct interrupt_descriptor *idte;
-
-	idte = &idt[intr];
-	idte->segment = VIRTUAL_CS;
-	idte->attr = ( vector ? ( IDTE_PRESENT | IDTE_TYPE_IRQ32 ) : 0 );
-	idte->low = ( ( ( uint32_t ) vector ) & 0xffff );
-	idte->high = ( ( ( uint32_t ) vector ) >> 16 );
-}
-
-/**
- * Initialise interrupt descriptor table
- *
- */
-void init_idt ( void ) {
-	struct interrupt_vector *vec;
-	unsigned int intr;
-
-	/* Initialise the interrupt descriptor table and interrupt vectors */
-	for ( intr = 0 ; intr < NUM_INT ; intr++ ) {
-		vec = &intr_vec[intr];
-		vec->pushal = PUSHAL_INSN;
-		vec->movb = MOVB_INSN;
-		vec->intr = intr;
-		vec->jmp = JMP_INSN;
-		vec->offset = ( ( uint32_t ) interrupt_wrapper -
-				( uint32_t ) vec->next );
-		set_interrupt_vector ( intr, vec );
-	}
-	DBGC ( &intr_vec[0], "INTn vector at %p+%zxn (phys %#lx+%zxn)\n",
-	       intr_vec, sizeof ( intr_vec[0] ),
-	       virt_to_phys ( intr_vec ), sizeof ( intr_vec[0] ) );
-
-	/* Initialise the interrupt descriptor table register */
-	idtr.base = virt_to_phys ( idt );
-}
-
-/**
- * Determine interrupt profiler (for debugging)
- *
- * @v intr		Interrupt number
- * @ret profiler	Profiler
- */
-static struct profiler * interrupt_profiler ( int intr ) {
-
-	switch ( intr ) {
-	case IRQ_INT ( 0 ) :
-		return &timer_irq_profiler;
-	default:
-		return &other_irq_profiler;
-	}
-}
-
-/**
- * Interrupt handler
- *
- * @v intr		Interrupt number
- */
-void __attribute__ (( cdecl, regparm ( 1 ) )) interrupt ( int intr ) {
-	struct profiler *profiler = interrupt_profiler ( intr );
-	uint32_t discard_eax;
-
-	/* Reissue interrupt in real mode */
-	profile_start ( profiler );
-	__asm__ __volatile__ ( REAL_CODE ( "movb %%al, %%cs:(1f + 1)\n\t"
-					   "\n1:\n\t"
-					   "int $0x00\n\t" )
-			       : "=a" ( discard_eax ) : "0" ( intr ) );
-	profile_stop ( profiler );
-	profile_exclude ( profiler );
-}
-
-PROVIDE_UACCESS_INLINE ( librm, phys_to_user );
-PROVIDE_UACCESS_INLINE ( librm, user_to_phys );
-PROVIDE_UACCESS_INLINE ( librm, virt_to_user );
-PROVIDE_UACCESS_INLINE ( librm, user_to_virt );
-PROVIDE_UACCESS_INLINE ( librm, userptr_add );
-PROVIDE_UACCESS_INLINE ( librm, memcpy_user );
-PROVIDE_UACCESS_INLINE ( librm, memmove_user );
-PROVIDE_UACCESS_INLINE ( librm, memset_user );
-PROVIDE_UACCESS_INLINE ( librm, strlen_user );
-PROVIDE_UACCESS_INLINE ( librm, memchr_user );