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authorPeter Maydell <peter.maydell@linaro.org>2013-07-16 13:25:06 +0100
committerPeter Maydell <peter.maydell@linaro.org>2013-07-19 12:58:46 +0100
commit70976c41c1def9d6e8b664c64cdf83b1ea0daa03 (patch)
tree918f91ab21924a89675beee99679e182f4053f53
parent97c38f8c279ae2f71cb0f6aed11aa94ef59b2955 (diff)
downloadqemu-arm-70976c41c1def9d6e8b664c64cdf83b1ea0daa03.tar.gz
arm/boot: Use qemu_devtree_setprop_sized_cells()
Replace the opencoded assembly of the reg property array for the /memory node with a call to qemu_devtree_setprop_sized_cells(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 1373977512-28932-3-git-send-email-peter.maydell@linaro.org
-rw-r--r--hw/arm/boot.c29
1 files changed, 8 insertions, 21 deletions
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index a2e4032f42..1780316afb 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -227,12 +227,10 @@ static void set_kernel_args_old(const struct arm_boot_info *info)
static int load_dtb(hwaddr addr, const struct arm_boot_info *binfo)
{
- uint32_t *mem_reg_property;
- uint32_t mem_reg_propsize;
void *fdt = NULL;
char *filename;
int size, rc;
- uint32_t acells, scells, hival;
+ uint32_t acells, scells;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, binfo->dtb_filename);
if (!filename) {
@@ -255,29 +253,18 @@ static int load_dtb(hwaddr addr, const struct arm_boot_info *binfo)
goto fail;
}
- mem_reg_propsize = acells + scells;
- mem_reg_property = g_new0(uint32_t, mem_reg_propsize);
- mem_reg_property[acells - 1] = cpu_to_be32(binfo->loader_start);
- hival = cpu_to_be32(binfo->loader_start >> 32);
- if (acells > 1) {
- mem_reg_property[acells - 2] = hival;
- } else if (hival != 0) {
- fprintf(stderr, "qemu: dtb file not compatible with "
- "RAM start address > 4GB\n");
- goto fail;
- }
- mem_reg_property[acells + scells - 1] = cpu_to_be32(binfo->ram_size);
- hival = cpu_to_be32(binfo->ram_size >> 32);
- if (scells > 1) {
- mem_reg_property[acells + scells - 2] = hival;
- } else if (hival != 0) {
+ if (scells < 2 && binfo->ram_size >= (1ULL << 32)) {
+ /* This is user error so deserves a friendlier error message
+ * than the failure of setprop_sized_cells would provide
+ */
fprintf(stderr, "qemu: dtb file not compatible with "
"RAM size > 4GB\n");
goto fail;
}
- rc = qemu_devtree_setprop(fdt, "/memory", "reg", mem_reg_property,
- mem_reg_propsize * sizeof(uint32_t));
+ rc = qemu_devtree_setprop_sized_cells(fdt, "/memory", "reg",
+ acells, binfo->loader_start,
+ scells, binfo->ram_size);
if (rc < 0) {
fprintf(stderr, "couldn't set /memory/reg\n");
goto fail;