hello_world: debug print of the gitinfo syscon register

Signed-off-by: Dan Horák <dan@danny.cz>

hello_world/hello_world.c

@@ -2,6 +2,8 @@
 #include <stdbool.h>
 
 #include "console.h"
+#include "io.h"
+#include "microwatt_soc.h"
 
 static char mw_logo[] =
 
@@ -17,10 +19,20 @@ static char mw_logo[] =
 
 int main(void)
 {
+	uint64_t gitinfo;
+	uint8_t c;
+
 	console_init();
 
 	puts(mw_logo);
 
+	gitinfo = readq(SYSCON_BASE + SYS_REG_GIT_INFO);
+	for (int i = 0; i < 16; i++) {
+		c = gitinfo % 16;
+		if (c >= 10) putchar(0x61 + c - 10); else putchar(0x30 + c);
+		gitinfo >>= 4;
+	}
+
 	while (1) {
 		unsigned char c = getchar();
 		putchar(c);

hello_world/hello_world.hex

@@ -514,22 +514,31 @@ e8010010ebc1fff0
 7c0803a6ebe1fff8
 3c4000014e800020
 7c0802a63842a000
-f8010010fbe1fff8
+fbe1fff8fbc1fff0
-480001f5f821ffd1
+63ff00503fe0c000
+f80100107bff0020
+48000229f821ffd1
 6000000060000000
-4800015d38628000
+4800019138628000
-4800004960000000
+7c0004ac60000000
-7c7f1b7860000000
+3bc000107fe0feea
-57ff063e5463063e
+280300097be30720
-60000000480000bd
+3863005740810054
-4082ffe02c1f000d
+480000e93bdeffff
-480000a93860000a
+7bde002160000000
-4bffffd060000000
+4082ffdc7bffe102
-0100000000000000
+6000000048000051
-3c40000100000180
+5463063e7c7f1b78
-600000003842a000
+480000c157ff063e
-6000000039228088
+2c1f000d60000000
-8929000039428090
+3860000a4082ffe0
+60000000480000ad
+386300304bffffd0
+000000004bffffb0
+0000028001000000
+3842a0003c400001
+8922809060000000
+3942808860000000
 418200302c090000
 39290014e92a0000
 7d204eaa7c0004ac
@@ -545,80 +554,79 @@ e86a00004082ffec
 0000000000000000
 3c40000100000000
 600000003842a000
-6000000039228088
+6000000089228090
-8929000039428090
+2c09000039428088
-4182002c2c090000
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-e94a00005469063e
+7c0004ace94a0000
-7d2057ea7c0004ac
+4e8000207d2057ea
-000000004e800020
 0000000000000000
-3842a0003c400001
+3c40000100000000
-fbe1fff87c0802a6
+7c0802a63842a000
-3be3fffffbc1fff0
+fbc1fff0fbe1fff8
-f821ffd1f8010010
+f80100103be3ffff
-2c3e00008fdf0001
+8fdf0001f821ffd1
-3821003040820010
+408200102c3e0000
-4bfffe3c38600000
+3860000038210030
-4082000c281e000a
+281e000a4bfffdf8
-4bffff413860000d
+3860000d4082000c
-4bffff397fc3f378
+7fc3f3784bffff45
-000000004bffffd0
+4bffffd04bffff3d
-0000028001000000
+0100000000000000
-386000007c6a1b78
+7c691b7800000280
-2c0900007d2a18ae
+7d4918ae38600000
-386300014d820020
+4d8200202c0a0000
-000000004bfffff0
+4bfffff038630001
 0000000000000000
-3842a0003c400001
+3c40000100000000
-610800203d00c000
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+794a0020614a0020
-3d20c0007d0046ea
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 7d204eea7c0004ac
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-38e2808860000000
+612900403d20c000
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+f902808860000000
-614a200c3d40c000
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 7c0004ac39290004
-e92280907d004faa
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 3929000c39400003
 7d404faa7c0004ac
-39290010e9228090
+39290010e9228088
 7d404faa7c0004ac
-39400007e9228090
+39400007e9228088
 7c0004ac39290008
 4e8000207d404faa
-994700003d20c000
+394affff60000000
-612920183908ffff
+3d20c00099228090
-7c0004ac79290020
+7929002061292018
-4e8000207d004fea
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+000000004e800020
 0000000000000000
-3c40000100000000
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-600000003842a000
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-2c24000039228088
+2f8900002c240000
-2f89000089290000
+e922808860000000
-e922809060000000
 41820024419e0030
 2c23000039400002
 614a000141820008
@@ -632,38 +640,30 @@ e922809060000000
 0000001000000000
 00527a0100000000
 00010c1b01417804
-0000001800000018
+000000180000001c
-00000070fffffc3c
+000000bcfffffbfc
-9f7e4111300e4600
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-0000001800000010
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-0000001000000000
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 0000000000000084
-0000004000000028
+0000002c00000010
-00000060fffffd60
+00000080fffffcf4
-9e019f0041094500
+0000002800000000
-447e4111300e4302
+fffffd6000000040
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-000000100000000b
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-fffffd940000006c
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-0000000000000028
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-0000008000000010
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 0000001000000000
-fffffec000000094
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-0000000000000000
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-0000000000000000
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-0000000000000000
-0000000000000000
-0000000000000000
-0000000000000000
-0000000000000000
-0000000000000000
 0000000000000000
 0000000000000000
 0000000000000000