wm: teppich

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cmd/memory: import

--- a/Makefile

+++ b/Makefile

@@ -25,6 +25,7 @@

 	cmd/cal.o\

 	cmd/ls.o\

 	cmd/reboot.o\

+	cmd/memory.o\

 L = \

 	libc/strlen.o\

--- /dev/null

+++ b/cmd/memory.c

@@ -1,0 +1,26 @@

+#include <u.h>

+#include <libc.h>

+

+#include <mem.h>

+#include <err.h>

+

+int

+memory_main(int argc, char **argv, char *cwd)

+{

+	int free, taken;

+

+

+	free = 0;

+	taken = 0;

+	for(int i = 0 ; i < sizeof(memap) ; i++)

+	{

+		if(memap[i] == FREE)

+			free++;

+		else

+			taken++;		

+	}

+

+	printf("free memory: %dB\t", free * BLOCKSIZE);

+	printf("taken memory: %dB\n", taken * BLOCKSIZE);

+	return OK;

+}

--- a/cmd/rc.h

+++ b/cmd/rc.h

@@ -7,6 +7,7 @@

 int cal_main(int, char**, char *cwd);

 int ls_main(int, char**, char *cwd);

 int reboot_main(int, char**, char *cwd);

+int memory_main(int, char**, char *cwd);

 static prog_t cmdtab[] =

 {

@@ -15,5 +16,6 @@

 	{"check", check_main},

 	{"cal", cal_main},

 	{"ls", ls_main},

-	{"reboot", reboot_main}

+	{"reboot", reboot_main},

+	{"memory", memory_main},

 };