From 26904dc29aa223c01be020b94d9f31e06ad94318 Mon Sep 17 00:00:00 2001
From: "henthe-5@student.ltu.se" <henthe-5@student.ltu.se>
Date: Tue, 19 Feb 2019 15:51:13 +0100
Subject: [PATCH] bare1_4
---
examples/bare1.rs | 41 +++++++++++++++++++++++++++++++++++++++--
1 file changed, 39 insertions(+), 2 deletions(-)
diff --git a/examples/bare1.rs b/examples/bare1.rs
index ba697b5..e0882f5 100644
--- a/examples/bare1.rs
+++ b/examples/bare1.rs
@@ -31,7 +31,7 @@ fn main() -> ! {
cortex_m::asm::nop();
//iprintln!(stim, "{}",_x);
//hprintln!("{}", _x).unwrap();
- //cortex_m::asm::bkpt();
+ cortex_m::asm::bkpt();
_x -= 1;
}
}
@@ -161,7 +161,44 @@ fn main() -> ! {
// What is the output of:
// (gdb) disassemble
//
-// ** your answer here **
+// **
+// Dump of assembler code for function main:
+// 0x08000404 <+0>: sub sp, #16
+// 0x08000406 <+2>: movs r0, #0
+// 0x08000408 <+4>: str r0, [sp, #12]
+// 0x0800040a <+6>: b.n 0x800040c <main+8>
+// 0x0800040c <+8>: ldr r0, [sp, #12]
+// 0x0800040e <+10>: adds r1, r0, #1
+// 0x08000410 <+12>: mov r2, r1
+// 0x08000412 <+14>: cmp r1, r0
+// 0x08000414 <+16>: str r2, [sp, #8]
+// 0x08000416 <+18>: bvs.n 0x800043a <main+54>
+// 0x08000418 <+20>: b.n 0x800041a <main+22>
+// 0x0800041a <+22>: ldr r0, [sp, #8]
+// 0x0800041c <+24>: str r0, [sp, #12]
+// 0x0800041e <+26>: bl 0x8000400 <cortex_m::asm::nop::h0ac7b7a3f33f2667>
+// 0x08000422 <+30>: b.n 0x8000424 <main+32>
+// => 0x08000424 <+32>: bkpt 0x0000
+// 0x08000426 <+34>: b.n 0x8000428 <main+36>
+// 0x08000428 <+36>: ldr r0, [sp, #12]
+// 0x0800042a <+38>: subs r1, r0, #1
+// 0x0800042c <+40>: cmp r0, #1
+// 0x0800042e <+42>: str r1, [sp, #4]
+// 0x08000430 <+44>: bvs.n 0x8000448 <main+68>
+// 0x08000432 <+46>: b.n 0x8000434 <main+48>
+// 0x08000434 <+48>: ldr r0, [sp, #4]
+// 0x08000436 <+50>: str r0, [sp, #12]
+// 0x08000438 <+52>: b.n 0x800040c <main+8>
+// 0x0800043a <+54>: movw r0, #1980 ; 0x7bc
+// 0x0800043e <+58>: movt r0, #2048 ; 0x800
+// 0x08000442 <+62>: bl 0x800046a <core::panicking::panic::h4c45e71f0f614f08>
+// 0x08000446 <+66>: udf #254 ; 0xfe
+// 0x08000448 <+68>: movw r0, #2052 ; 0x804
+// 0x0800044c <+72>: movt r0, #2048 ; 0x800
+// 0x08000450 <+76>: bl 0x800046a <core::panicking::panic::h4c45e71f0f614f08>
+// 0x08000454 <+80>: udf #254 ; 0xfe
+// End of assembler dump.
+// **
//
// Commit your answers (bare1_4)
//
--
GitLab