Allow a label to be placed on a memory reserve entry.
Change the parser to recogonise and store them. Emit
them when writing assembly output.
Signed-off-by: Milton Miller <[EMAIL PROTECTED]>
---
The infrastructure for storing the label was already present, so
the changes are small.
Index: dtc/dtc-parser.y
===================================================================
--- dtc.orig/dtc-parser.y 2007-06-14 22:59:05.000000000 -0500
+++ dtc/dtc-parser.y 2007-06-14 22:59:07.000000000 -0500
@@ -92,11 +92,11 @@ memreserves: memreserve memreserves {
}
;
-memreserve: DT_MEMRESERVE DT_ADDR DT_ADDR ';' {
- $$ = build_reserve_entry($2, $3, NULL);
+memreserve: label DT_MEMRESERVE DT_ADDR DT_ADDR ';' {
+ $$ = build_reserve_entry($3, $4, $1);
}
- | DT_MEMRESERVE DT_ADDR '-' DT_ADDR ';' {
- $$ = build_reserve_entry($2, $4 - $2 + 1, NULL);
+ | label DT_MEMRESERVE DT_ADDR '-' DT_ADDR ';' {
+ $$ = build_reserve_entry($3, $5 - $3 + 1, $1);
}
;
Index: dtc/flattree.c
===================================================================
--- dtc.orig/flattree.c 2007-06-14 22:59:00.000000000 -0500
+++ dtc/flattree.c 2007-06-14 22:59:07.000000000 -0500
@@ -497,6 +497,10 @@ void dt_to_asm(FILE *f, struct boot_info
* as it appears .quad isn't available in some assemblers.
*/
for (re = bi->reservelist; re; re = re->next) {
+ if (re->label) {
+ fprintf(f, "\t.globl\t%s\n", re->label);
+ fprintf(f, "%s:\n", re->label);
+ }
fprintf(f, "\t.long\t0x%08x\n\t.long\t0x%08x\n",
(unsigned int)(re->re.address >> 32),
(unsigned int)(re->re.address & 0xffffffff));
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