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[image] Provide image_set_data()

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Extract part of the logic in initrd_init() to a standalone function
image_set_data().

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2021-01-20 18:03:16 +00:00
parent ae73fb5aa0
commit 99ac69b8a9
3 changed files with 34 additions and 12 deletions
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21
src/arch/x86/core/runtime.c
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@@ -38,7 +38,6 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/init.h>
#include <ipxe/image.h>
#include <ipxe/script.h>
#include <ipxe/umalloc.h>
#include <realmode.h>
/** Command line physical address
@@ -202,23 +201,21 @@ static int initrd_init ( void ) {
rc = -ENOMEM;
goto err_alloc_image;
}
/* Set image name */
if ( ( rc = image_set_name ( image, "<INITRD>" ) ) != 0 ) {
DBGC ( colour, "RUNTIME could not set image name: %s\n",
strerror ( rc ) );
goto err_set_name;
}
/* Allocate and copy initrd content */
image->data = umalloc ( initrd_len );
if ( ! image->data ) {
DBGC ( colour, "RUNTIME could not allocate %d bytes for "
"initrd\n", initrd_len );
rc = -ENOMEM;
goto err_umalloc;
/* Set image content */
if ( ( rc = image_set_data ( image, phys_to_user ( initrd_phys ),
initrd_len ) ) != 0 ) {
DBGC ( colour, "RUNTIME could not set image data: %s\n",
strerror ( rc ) );
goto err_set_data;
}
image->len = initrd_len;
memcpy_user ( image->data, 0, phys_to_user ( initrd_phys ), 0,
initrd_len );
/* Mark initrd as consumed */
initrd_phys = 0;
@@ -236,7 +233,7 @@ static int initrd_init ( void ) {
return 0;
err_register_image:
err_umalloc:
err_set_data:
err_set_name:
image_put ( image );
err_alloc_image: