From: AceVest <zhaoyanbai@126.com>
Date: Tue, 8 Dec 2015 12:30:52 +0000 (+0800)
Subject: learn go
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch08.html?a=commitdiff_plain;h=468e8b4fb6a3775e0917f4603e9eb4aec6c1aaad;p=acecode.git

learn go
---

diff --git a/ish/Cmd.cc b/ish/Cmd.cc
index 1f4f481..eb3355f 100644
--- a/ish/Cmd.cc
+++ b/ish/Cmd.cc
@@ -166,6 +166,7 @@ ExitCode cmd::ExecuteCommand(char **argv)
 
 	//}
 
+	return 0;
 }
 
 #ifdef	DEBUG_CMD
diff --git a/ish/Common.cc b/ish/Common.cc
index b6384d4..bb7ee73 100644
--- a/ish/Common.cc
+++ b/ish/Common.cc
@@ -4,7 +4,7 @@
 
 void fatal(const char *err_msg, int n)
 {
-	fprintf(stderr,"Error: %s,%s\n",err_msg);
+	fprintf(stderr,"Error: %s\n",err_msg);
 	exit(n);
 }
 void *my_malloc(size_t size)
diff --git a/ish/Parser.cc b/ish/Parser.cc
index 58266c1..2b300aa 100644
--- a/ish/Parser.cc
+++ b/ish/Parser.cc
@@ -244,7 +244,9 @@ ExitCode Parser::ExecuteCmd()
 
 	g_redirectInFlag = g_redirectOutFlag = false;
 
+	return 0;
 }
+
 ExitCode Parser::Exp()
 {
 		/*if(m_token != STRING && m_token != GETVAR)
diff --git a/ish/Scanner.cc b/ish/Scanner.cc
index bcd6c51..b56fca1 100644
--- a/ish/Scanner.cc
+++ b/ish/Scanner.cc
@@ -275,6 +275,7 @@ void Scanner::printToken(TokenType t) const
 	case GE:	cout<<"GE"<<endl;break;
 	case LT:	cout<<"LT"<<endl;break;
 	case LE:	cout<<"LE"<<endl;break;
+	case DO:	cout<<"DO"<<endl;break;
 	}
 }
 
diff --git a/learn/doc/ir.txt b/learn/doc/ir.txt
deleted file mode 100644
index 924c296..0000000
--- a/learn/doc/ir.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-电扇 IR NEC
-807FE01F    风速
-807F32CD    静音
-807FF00F    风类
-807FC03F    开关
-807FD02F    定时
-807FF00F    摇头
diff --git a/learn/doc/linux b/learn/doc/linux
deleted file mode 100644
index 2b8a097..0000000
--- a/learn/doc/linux
+++ /dev/null
@@ -1,11 +0,0 @@
-
-/etc/sysconfig/network-scripts/ifcfg-eth0
-
-# multi-user.target: analogous to runlevel 3
-ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
-
-
-/etc/gdm/custom.conf
-[daemon]
-AutomaticLoginEnable=true
-AutomaticLogin=root
diff --git a/learn/doc/mac b/learn/doc/mac
index 78854b3..e69de29 100644
--- a/learn/doc/mac
+++ b/learn/doc/mac
@@ -1,13 +0,0 @@
-iterm2
-
-curl -L https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh | sh
-
-git clone git://github.com/supermarin/powerline-fonts.git
-安装 Monaco fo Powerline.otf
-
-iterm2 设置字体为以上
-
-
-
-git clone git://github.com/jeremyFreeAgent/oh-my-zsh-powerline-theme
-cp oh-my-zsh-powerline-theme/powerline.zsh-them ~/.oh-my-zsh/theme/
diff --git a/learn/go/interfaces.go b/learn/go/interfaces.go
index e038657..304af7a 100644
--- a/learn/go/interfaces.go
+++ b/learn/go/interfaces.go
@@ -10,9 +10,56 @@ package main
 
 import (
 	"fmt"
+	"math"
 )
 
+type Shaper interface {
+	Area() float64
+}
+
+type Square struct {
+	slide float64
+}
+
+func (s *Square) Area() float64 {
+	return s.slide*s.slide
+}
+
+type Round struct {
+	radius float64
+}
+
+func (r *Round) Area() float64 {
+	return math.Pi*r.radius*r.radius
+}
+
+
+type Rectangular struct {
+	width 	float64
+	height	float64
+}
+
+func (r *Rectangular) Area() float64 {
+	return r.width*r.height
+}
+
 func main() {
 	defer fmt.Println("Program Exited...")
 
+	sq := Square{12.34}
+	rd := new(Round)
+	rd.radius = 9.99
+	rt := Rectangular{0.6, 0.8}
+
+	var shaper Shaper
+	shaper = &sq
+	fmt.Println("Square Slide", sq.slide, "Area", shaper.Area())
+
+
+	// rd is pointer
+	shaper = rd
+	fmt.Println("Round Radius", rd.radius, "Area", shaper.Area())
+
+	shaper = &rt
+	fmt.Println("Rectangular Width", rt.width, "Height", rt.height, "Area", shaper.Area())
 }
diff --git a/learn/go/methods.go b/learn/go/methods.go
index 8ceec3f..9da225d 100644
--- a/learn/go/methods.go
+++ b/learn/go/methods.go
@@ -42,6 +42,7 @@ func (v Vector) String() string {
 	return fmt.Sprintf("Vector{x:%.4f, y:%.4f}", v.x, v.y)
 }
 
+
 // 根据现有类型定义专用类型
 type FloatType float64
 
diff --git a/learn/go/struct.go b/learn/go/struct.go
index 16191be..7989a39 100644
--- a/learn/go/struct.go
+++ b/learn/go/struct.go
@@ -3,18 +3,31 @@ package main
 import "fmt"
 import "time"
 import "math/rand"
+import "reflect"
+
+type Private struct {
+	data string
+}
 
 type Vertex struct {
 	X int
-	Y int
+	Y int	"Y Pos"	// 字段名可以带标签
+	string	"Anonymous Field"	// 匿名字段
+	Private "Anonymous Struct"	// 在一个结构体中对于每一种数据类型只能有一个匿名字段
+	s string
 }
 
 func main() {
 	rand.Seed(time.Now().UnixNano())
 
-	v := Vertex{1, 2}
+	v := Vertex{X:1, Y:2}
+
+	v.string = "anonymouse string field"
+	v.data   = "anonymouse struct field data"
 	fmt.Println(v)
-	fmt.Println(Vertex{0xABC, 0xCBA})
+	fmt.Println(Vertex{X:0xABC, Y:0xCBA})
+	//fmt.Println(Vertex{0xAA, 0xBB, "anonymous string", {"anonymous data"}, "dd", "FF"})
+	fmt.Println(Vertex{0xAA, 0xBB, "anonymous string", Private{"anonymous data"}, "a"})
 
 	// 通过指针间隔访问的过程是透明的
 	p := &v
@@ -23,4 +36,11 @@ func main() {
 	fmt.Println(v)
 	v.X, v.Y = p.Y, p.X
 	fmt.Println(v.X, v.Y)
+
+	// 遍历结构
+	fmt.Printf("%10v %16v %16v %10v %10v %16v %10v\n", "Name", "Type", "Tag", "Offset", "Index", "PkgPath", "Anonymous")
+	for i := 0; i < reflect.TypeOf(v).NumField(); i++ {
+		Field := reflect.TypeOf(v).Field(i)
+		fmt.Printf("%10v %16v %16v %10v %10v %16v %10v\n", Field.Name, Field.Type, Field.Tag, Field.Offset, Field.Index, Field.PkgPath, Field.Anonymous)
+	}
 }
diff --git a/learn/server/.Building.lock b/learn/server/.Building.lock
deleted file mode 100644
index e69de29..0000000
diff --git a/learn/server/.sconsign.dblite b/learn/server/.sconsign.dblite
deleted file mode 100644
index 20d822c..0000000
Binary files a/learn/server/.sconsign.dblite and /dev/null differ
diff --git a/learn/server/BLADE_ROOT b/learn/server/BLADE_ROOT
deleted file mode 100644
index e69de29..0000000
diff --git a/learn/server/BUILD b/learn/server/BUILD
deleted file mode 100644
index 84769a6..0000000
--- a/learn/server/BUILD
+++ /dev/null
@@ -1,6 +0,0 @@
-cc_binary(
-    name = 'server',
-    srcs = [
-        'server.cpp',
-    ],
-)
diff --git a/learn/server/config.h b/learn/server/config.h
deleted file mode 100644
index 4c67455..0000000
--- a/learn/server/config.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * ------------------------------------------------------------------------
- *   File Name: config.h
- *      Author: Zhao Yanbai
- *              Tue May 12 15:31:22 2015
- * Description: none
- * ------------------------------------------------------------------------
- */
-
-#pragma once
diff --git a/learn/server/server.cpp b/learn/server/server.cpp
deleted file mode 100644
index 15547bb..0000000
--- a/learn/server/server.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * ------------------------------------------------------------------------
- *   File Name: server.cpp
- *      Author: Zhao Yanbai
- *              Tue May 12 15:30:58 2015
- * Description: none
- * ------------------------------------------------------------------------
- */
-#include<iostream>
-using namespace std;
-
-int main(int argc, char *argv[]) {
-
-	cout << "Server is Starting ... " << endl;
-	return 0;
-}
diff --git a/tools/comm/cpuid.cc b/tools/comm/cpuid.cc
index 77bae5c..9ba8ae7 100644
--- a/tools/comm/cpuid.cc
+++ b/tools/comm/cpuid.cc
@@ -108,17 +108,47 @@ int	main()
 				"CR4.OSFXSR is available)")
 	TEST_FEATURE(fv, 25, "SSE: SSE Extensions")
 	TEST_FEATURE(fv, 26, "SSE2: SSE2 Extensions")
-	//TEST_FEATURE(fv, 27, "Reserved")
+	TEST_FEATURE(fv, 27, "SS: CPU Cache Supports Self-Snoop")
 	TEST_FEATURE(fv, 28, "Hyper Threading Technology")
 	TEST_FEATURE(fv, 29, "TM: Thermal Monitor")
-	//TEST_FEATURE(fv, 30, "Reserved")
+	TEST_FEATURE(fv, 30, "IA64 Processor Emulating X86")
 	TEST_FEATURE(fv, 31, "PBE: Pending Break Enable")
 
 
-
-	
-
-
+	fv = r.ecx;
+	printf("-------------\n");
+	TEST_FEATURE(fv, 0, "SSE3: Prescott New Instructions-SSE3 (PNI)")
+	TEST_FEATURE(fv, 1, "PCLMULQDQ Support")
+	TEST_FEATURE(fv, 2, "64Bit Debug Store (EDX Bit21)")
+	TEST_FEATURE(fv, 3, "MONITOR and MWAIT Instructions (SSE3)")
+	TEST_FEATURE(fv, 4, "CPL Qualified Debug Store")
+	TEST_FEATURE(fv, 5, "VMX: Virtual Machine eXtensions")
+	TEST_FEATURE(fv, 6, "SMX: Safer Mode Extensions")
+	TEST_FEATURE(fv, 7, "EST: Enhanced SpeedStep")
+	TEST_FEATURE(fv, 8, "TM2: Thermal Monitor 2")
+	TEST_FEATURE(fv, 9, "SSSE3: Supplemental SSE3 Instructions")
+	TEST_FEATURE(fv, 10, "L1 Context ID")
+	TEST_FEATURE(fv, 11, "SDBG: Silicon Debug Interface")
+	TEST_FEATURE(fv, 12, "FMA: Fused Multiply-add (FMA3)")
+	TEST_FEATURE(fv, 13, "CX16: CMPXCHG16B Instructions")
+	TEST_FEATURE(fv, 14, "XTPR: Can Disable Sending Task Priority Messages")
+	TEST_FEATURE(fv, 15, "PDCM: Perfmon & Debug Capability")
+	//TEST_FEATURE(fv, 16, "Reserved")
+	TEST_FEATURE(fv, 17, "PCID: Process Context Identifiers (CR4 bit 17)")
+	TEST_FEATURE(fv, 18, "DCA: Direct Cache Access for DMA Writes")
+	TEST_FEATURE(fv, 19, "SSE4.1: SSE4.1 Instructions")
+	TEST_FEATURE(fv, 20, "SSE4.2: SSE4.2 Instructions")
+	TEST_FEATURE(fv, 21, "X2APIC: x2APIC Support")
+	TEST_FEATURE(fv, 22, "MOVBE: MOVBE Instruction (big-endian)")
+	TEST_FEATURE(fv, 23, "POPCNT: POPCNT Instruction")
+	TEST_FEATURE(fv, 24, "TSC-DEADLINE: APIC Supports One-Shot Operation Using a TSC Deadline Value")
+	TEST_FEATURE(fv, 25, "AES: AES Instruction Set")
+	TEST_FEATURE(fv, 26, "XSAVE: XSAVE, XRESTOR, XSETBV, XGETBV")
+	TEST_FEATURE(fv, 27, "OSXSAVE: XSAVE Enabled by OS")
+	TEST_FEATURE(fv, 28, "AVX: Advanced Vector Extensions")
+	TEST_FEATURE(fv, 29, "F16C: F16C (Half-Precision) FP Support")
+	TEST_FEATURE(fv, 30, "RDRND: RDRAND (On-Chip Random Number Generator) Support")
+	TEST_FEATURE(fv, 31, "HYPERVISOR: Running on a Hypervisor (Always 0 on a Real CPU, But Also With Some Hypervisors")
 
 
  	/**********************Get CPU's SERIAL Number*********************/