[coreboot] [PATCH] [v3] add array parsing to dts
Peter Stuge
peter at stuge.se
Wed Apr 16 05:02:47 CEST 2008
On Sat, Apr 12, 2008 at 10:11:18PM -0400, Ward Vandewege wrote:
> ..byte properties..
I guess they should be unsigned chars?
> Index: flattree.c
> ===================================================================
> --- util/dtc/flattree.c (revision 656)
> +++ util/dtc/flattree.c (working copy)
> @@ -452,9 +452,24 @@
> return;
>
> cleanname = clean(p->name, 1);
> - fprintf(f, "\t.%s = ", cleanname);
> + if (d.type == 'S') {
> + // Standard property (scalar)
> + fprintf(f, "\t.%s = ", cleanname);
> + fprintf(f, "0x%lx,\n", strtoul((char *)d.val, 0, 0));
> + } else if (d.type == 'C') {
> + // 'Cell' property (array of 4-byte elements)
> + fprintf(f, "\t.%s = {\n", cleanname, d.len/4);
Why the last parameter d.len/4? It's not used, right?
> + int i;
> + for (i = 0; (i < d.len) && (0 != *(u32 *)(d.val+i)); i = i+4) {
> + fprintf(f, "\t\t[%d] = 0x%08X,\n",i/4,*(u32 *)(d.val+i));
> + }
Looks like there's some strange whitespace here.
> + fprintf(f, "\t\t[%d] = 0x00000000,\n",i/4); // Make sure to end our array with a zero element
Perhaps use 0x0 or 0 to show that this last entry is not generated
the same way as the previous ones.
> @@ -785,7 +800,16 @@
> if (streq(prop->name, "device_operations")) /* this is special */
> continue;
> cleanname = clean(prop->name, 0);
> - fprintf(f, "\tu32 %s;\n", cleanname);
> + if (prop->val.type == 'S') {
> + // Standard property, scalar
> + fprintf(f, "\tu32 %s;\n", cleanname);
> + } else if (prop->val.type == 'C') {
> + // 'Cell' property (array of 4-byte elements)
> + fprintf(f, "\tu32 %s[];\n", cleanname);
Will this always work? An empty array like this must be last in the
containing struct, and there can only ever be one in each struct.
//Peter
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