TrustZone (disable for now). Issue with startup call with TZEN=1. The registers are still running from secure base.

dgarske · dgarske · commit 9e6c1beadcc7 · 2024-09-10T16:49:41.000-07:00
diff --git a/config/examples/nrf5340.config b/config/examples/nrf5340.config
@@ -1,5 +1,5 @@
 ARCH?=ARM
-TZEN?=1
+TZEN?=0
 TARGET?=nrf5340
 SIGN?=ECC256
 HASH?=SHA256
diff --git a/hal/nrf5340.h b/hal/nrf5340.h
@@ -22,6 +22,10 @@
 #ifndef _HAL_NRF5340_H_
 #define _HAL_NRF5340_H_
 
+#ifndef TZEN
+#define TZEN
+#endif
+
 #define CPU_CLOCK 128000000UL /* 128MHz */
 
 /* Assembly helpers */
diff --git a/hal/nrf5340.ld b/hal/nrf5340.ld
@@ -1,7 +1,7 @@
 MEMORY
 {
     FLASH (rx) : ORIGIN = 0x00000000, LENGTH = @BOOTLOADER_PARTITION_SIZE@
-    RAM (rwx) :  ORIGIN = 0x20000000, LENGTH = 512K
+    RAM (rwx) :  ORIGIN = 0x20000000, LENGTH = 64K
 }
 
 SECTIONS

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`	`1`	`MEMORY`
`2`	`2`	`{`
`3`	`3`	`FLASH (rx) : ORIGIN = 0x00000000, LENGTH = @BOOTLOADER_PARTITION_SIZE@`
`4`		`- RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 512K`
	`4`	`+ RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 64K`
`5`	`5`	`}`
`6`	`6`
`7`	`7`	`SECTIONS`