cortex M3 (CMSIS) stuff

fb · Jun 20, 2019 · 04b2875 · 04b2875
1 parent e9593be
commit 04b2875
Showing 1 changed file with 26 additions and 0 deletions.
diff --git a/core_cm3.zig b/core_cm3.zig
@@ -0,0 +1,26 @@
+const SCB_t = packed struct {
+ CPUID: u32,
+ ICSR: u32,
+ VTOR: u32,
+ AIRCR: u32,
+ SCR: u32,
+ CCR: u32,
+ SHP: [12]u8,
+ SHCSR: u32,
+ CFSR: u32,
+ HFSR: u32,
+ DFSR: u32,
+ MMFAR: u32,
+ BFAR: u32,
+ AFSR: u32,
+ PFR: [2]u32,
+ DFR: u32,
+ ADR: u32,
+ MMFR: [4]u32,
+ ISAR: [5]u32,
+};
+
+const SCS_BASE = 0xE000E000;
+const SCB_BASE = SCS_BASE + 0x0D00;
+
+pub const SCB = @intToPtr(*volatile SCB_t, SCB_BASE);