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hw/mips: align initrd to 64KB to avoid kernel error 

The Linux kernel can be configured to use 64KB pages, but it also
requires initrd to be page aligned. Therefore, to be safe, align the
initrd to 64KB using a new INITRD_PAGE_MASK rather than
TARGET_PAGE_MASK.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
James Hogan 2013-06-27 08:35:27 +01:00 committed by Aurelien Jarno
parent ea0a4f3441
commit 05b3274b6b
5 changed files with 7 additions and 4 deletions
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2
hw/mips/mips_fulong2e.c
View File

@ -126,7 +126,7 @@ static int64_t load_kernel (CPUMIPSState *env)
if (loaderparams.initrd_filename) {
initrd_size = get_image_size (loaderparams.initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",

2
hw/mips/mips_malta.c
View File

@ -792,7 +792,7 @@ static int64_t load_kernel (void)
if (loaderparams.initrd_filename) {
initrd_size = get_image_size (loaderparams.initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",

2
hw/mips/mips_mipssim.c
View File

@ -83,7 +83,7 @@ static int64_t load_kernel(void)
if (loaderparams.initrd_filename) {
initrd_size = get_image_size (loaderparams.initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
if (initrd_offset + initrd_size > loaderparams.ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",

2
hw/mips/mips_r4k.c
View File

@ -102,7 +102,7 @@ static int64_t load_kernel(void)
if (loaderparams.initrd_filename) {
initrd_size = get_image_size (loaderparams.initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",

3
include/hw/mips/mips.h
View File

@ -2,6 +2,9 @@
#define HW_MIPS_H
/* Definitions for mips board emulation. */
/* Kernels can be configured with 64KB pages */
#define INITRD_PAGE_MASK (~((1 << 16) - 1))
#include "exec/memory.h"
/* gt64xxx.c */