Don't zero ARM RAM on reset

calc84maniac · calc84maniac · commit c2ffb1b1eba9 · 2024-09-15T01:48:17.000-04:00
diff --git a/core/arm/armmem.c b/core/arm/armmem.c
@@ -267,6 +267,7 @@ bool arm_mem_init(arm_mem_t *mem) {
         memset(mem->nvm, ~0, FLASH_SIZE);
         mem->ram = malloc(HMCRAMC0_SIZE);
         if (likely(mem->ram)) {
+            memset(mem->ram, 0, HMCRAMC0_SIZE);
             return true;
             free(mem->ram);
         }
@@ -281,7 +282,6 @@ void arm_mem_destroy(arm_mem_t *mem) {
 }
 
 void arm_mem_reset(arm_mem_t *mem, uint8_t rcause) {
-    memset(mem->ram, 0, HMCRAMC0_SIZE);
     arm_nvm_clear_page_buffer(mem);
     mem->pm.RCAUSE.reg = rcause;
     mem->nvmctrl.INTFLAG.bit.READY = true;

Original file line number	Diff line number	Diff line change
`@@ -267,6 +267,7 @@ bool arm_mem_init(arm_mem_t *mem) {`
`267`	`267`	`memset(mem->nvm, ~0, FLASH_SIZE);`
`268`	`268`	`mem->ram = malloc(HMCRAMC0_SIZE);`
`269`	`269`	`if (likely(mem->ram)) {`
	`270`	`+ memset(mem->ram, 0, HMCRAMC0_SIZE);`
`270`	`271`	`return true;`
`271`	`272`	`free(mem->ram);`
`272`	`273`	`}`
`@@ -281,7 +282,6 @@ void arm_mem_destroy(arm_mem_t *mem) {`
`281`	`282`	`}`
`282`	`283`
`283`	`284`	`void arm_mem_reset(arm_mem_t *mem, uint8_t rcause) {`
`284`		`- memset(mem->ram, 0, HMCRAMC0_SIZE);`
`285`	`285`	`arm_nvm_clear_page_buffer(mem);`
`286`	`286`	`mem->pm.RCAUSE.reg = rcause;`
`287`	`287`	`mem->nvmctrl.INTFLAG.bit.READY = true;`