SDRAM: don't initalize custom allocator if start_address==0

facchinm · facchinm · commit 6e557f4ebf1c · 2020-10-27T12:14:46.000+01:00
diff --git a/libraries/Portenta_SDRAM/SDRAM.cpp b/libraries/Portenta_SDRAM/SDRAM.cpp
@@ -24,8 +24,10 @@ int SDRAMClass::begin(uint32_t start_address) {
 		mpu_config_end();
 	}
 
-	printf("malloc_addblock: allocate %d bytes\n", SDRAM_END_ADDRESS - start_address);
-	malloc_addblock((void*)start_address, SDRAM_END_ADDRESS - start_address);
+	if (start_address) {
+		printf("malloc_addblock: allocate %d bytes\n", SDRAM_END_ADDRESS - start_address);
+		malloc_addblock((void*)start_address, SDRAM_END_ADDRESS - start_address);
+	}
 
 	return 1;
 }

Original file line number	Diff line number	Diff line change
`@@ -24,8 +24,10 @@ int SDRAMClass::begin(uint32_t start_address) {`
`24`	`24`	`mpu_config_end();`
`25`	`25`	`}`
`26`	`26`
`27`		`- printf("malloc_addblock: allocate %d bytes\n", SDRAM_END_ADDRESS - start_address);`
`28`		`- malloc_addblock((void*)start_address, SDRAM_END_ADDRESS - start_address);`
	`27`	`+ if (start_address) {`
	`28`	`+ printf("malloc_addblock: allocate %d bytes\n", SDRAM_END_ADDRESS - start_address);`
	`29`	`+ malloc_addblock((void*)start_address, SDRAM_END_ADDRESS - start_address);`
	`30`	`+ }`
`29`	`31`
`30`	`32`	`return 1;`
`31`	`33`	`}`