From: James Hogan <[email protected]> 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 <[email protected]> Signed-off-by: Leon Alrae <[email protected]> --- hw/mips/mips_fulong2e.c | 2 +- hw/mips/mips_malta.c | 2 +- hw/mips/mips_mipssim.c | 2 +- hw/mips/mips_r4k.c | 2 +- include/hw/mips/mips.h | 3 +++ 5 files changed, 7 insertions(+), 4 deletions(-) diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c index 1aac93a..c03a4f2 100644 --- a/hw/mips/mips_fulong2e.c +++ b/hw/mips/mips_fulong2e.c @@ -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", diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c index 5033d51..526a122 100644 --- a/hw/mips/mips_malta.c +++ b/hw/mips/mips_malta.c @@ -699,7 +699,7 @@ 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", diff --git a/hw/mips/mips_mipssim.c b/hw/mips/mips_mipssim.c index d1681ec..3f54e64 100644 --- a/hw/mips/mips_mipssim.c +++ b/hw/mips/mips_mipssim.c @@ -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", diff --git a/hw/mips/mips_r4k.c b/hw/mips/mips_r4k.c index 4646ab6..fb7eb14 100644 --- a/hw/mips/mips_r4k.c +++ b/hw/mips/mips_r4k.c @@ -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", diff --git a/include/hw/mips/mips.h b/include/hw/mips/mips.h index 291e85f..2a7a9c9 100644 --- a/include/hw/mips/mips.h +++ b/include/hw/mips/mips.h @@ -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 */ -- 1.7.5.4
