From c71806c9118223bbea7aef99aee3e9e5f508d4cf Mon Sep 17 00:00:00 2001
From: sheepwall <a.sve@live.se>
Date: Thu, 28 Feb 2019 21:07:25 +0100
Subject: [PATCH] bare1_2
---
examples/bare1.rs | 43 ++++++++++++++++++++++++++++++++++++++-----
1 file changed, 38 insertions(+), 5 deletions(-)
diff --git a/examples/bare1.rs b/examples/bare1.rs
index 2bf9442..e495ce6 100644
--- a/examples/bare1.rs
+++ b/examples/bare1.rs
@@ -24,13 +24,13 @@ fn main() -> ! {
// `x` is not used in any meaningful way.
let mut _x = 0;
- let mut p = Peripherals::take().unwrap();
- let stim = &mut p.ITM.stim[0];
+ // let mut p = Peripherals::take().unwrap();
+ // let stim = &mut p.ITM.stim[0];
loop {
- hprintln!("{}", _x).unwrap();
+ // hprintln!("{}", _x).unwrap();
_x += 1;
- iprintln!(stim, "{}", _x);
+ // iprintln!(stim, "{}", _x);
// cortex_m::asm::nop();
// cortex_m::asm::bkpt();
_x -= 1;
@@ -81,7 +81,40 @@ fn main() -> ! {
// What is the output of:
// (gdb) disassemble
//
-// ** your answer here **
+// disassemble
+// {"token":41,"outOfBandRecord":[],"resultRecords":{"resultClass":"done","results":[]}}
+// Dump of assembler code for function main:
+// 0x08000400 <+0>: sub sp, #16
+// 0x08000402 <+2>: movs r0, #0
+// 0x08000404 <+4>: str r0, [sp, #12]
+// 0x08000406 <+6>: b.n 0x8000408 <main+8>
+// => 0x08000408 <+8>: ldr r0, [sp, #12]
+// 0x0800040a <+10>: adds r1, r0, #1
+// 0x0800040c <+12>: mov r2, r1
+// 0x0800040e <+14>: cmp r1, r0
+// 0x08000410 <+16>: str r2, [sp, #8]
+// 0x08000412 <+18>: bvs.n 0x800042c <main+44>
+// 0x08000414 <+20>: b.n 0x8000416 <main+22>
+// 0x08000416 <+22>: ldr r0, [sp, #8]
+// 0x08000418 <+24>: str r0, [sp, #12]
+// 0x0800041a <+26>: ldr r1, [sp, #12]
+// 0x0800041c <+28>: subs r2, r1, #1
+// 0x0800041e <+30>: cmp r1, #1
+// 0x08000420 <+32>: str r2, [sp, #4]
+// 0x08000422 <+34>: bvs.n 0x800043a <main+58>
+// 0x08000424 <+36>: b.n 0x8000426 <main+38>
+// 0x08000426 <+38>: ldr r0, [sp, #4]
+// 0x08000428 <+40>: str r0, [sp, #12]
+// 0x0800042a <+42>: b.n 0x8000408 <main+8>
+// 0x0800042c <+44>: movw r0, #2268 ; 0x8dc
+// 0x08000430 <+48>: movt r0, #2048 ; 0x800
+// 0x08000434 <+52>: bl 0x800045c <panic>
+// 0x08000438 <+56>: udf #254 ; 0xfe
+// 0x0800043a <+58>: movw r0, #2340 ; 0x924
+// 0x0800043e <+62>: movt r0, #2048 ; 0x800
+// 0x08000442 <+66>: bl 0x800045c <panic>
+// 0x08000446 <+70>: udf #254 ; 0xfe
+// End of assembler dump.
//
// Commit your answers (bare1_2)
//
--
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