separating HYP mode pi2 examples from switch to SVC mode pi2 examples
This commit is contained in:
dwelch
@@ -30,6 +30,8 @@ extern unsigned int timer_tick ( void );
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extern void timer_init ( void );
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extern unsigned int timer_tick ( void );
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extern void leds_off ( void );
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//------------------------------------------------------------------------
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int notmain ( void )
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{
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@@ -42,6 +44,7 @@ int notmain ( void )
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unsigned int sum;
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unsigned int ra;
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leds_off();
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uart_init();
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hexstring(0x12345678);
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hexstring(GETPC());
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BIN
boards/pi2/HYP/bootloader07/bootloader07.o
Normal file
BIN
boards/pi2/HYP/bootloader07/bootloader07.o
Normal file
Binary file not shown.
Binary file not shown.
@@ -129055,7 +129055,7 @@
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:10FFE0000000000000000000000000000000000011
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:10FFF0000000000000000000000000000000000001
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:020000040020DA
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:1000000002D3A0E3A60000EBFEFFFFEA001080E5AC
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:1000000002D3A0E3C00000EBFEFFFFEA001080E592
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:100010001EFF2FE1B010C0E11EFF2FE10010C0E570
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:100020001EFF2FE1000090E51EFF2FE10E00A0E172
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:100030001EFF2FE110FF2FE11EFF2FE110402DE9E1
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@@ -129097,43 +129097,50 @@
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:100270000400A0E10C109FE563FFFFEB1040BDE818
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:100280001EFF2FE108B4003F0002F90010402DE9E5
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:1002900008009FE562FFFFEB1040BDE81EFF2FE165
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:1002A00020B4003FF0472DE90080A0E3A6FFFFEB5C
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:1002B00040029FE59DFFFFEB5BFFFFEB9BFFFFEB2A
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:1002C0004900A0E375FFFFEB4800A0E373FFFFEBDD
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:1002D0004500A0E371FFFFEB5800A0E36FFFFFEBC9
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:1002E0000D00A0E36DFFFFEB0A00A0E30890A0E182
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:1002F0000860A0E10850A0E10870A0E10840A0E17A
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:1003000066FFFFEB52FFFFEB3A0050E32B00000AC1
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:100310000D0050E30A00501301A0A00300A0A01399
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:100320002900000A2030C0E3470053E35000000AD0
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:10033000013044E2140053E303F19F97F0FFFFEA1A
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:10034000B0032000B003200050042000500420001F
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:10035000500420005004200030042000F803200046
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:10036000D4032000D4032000D4032000D4032000B1
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:10037000C80320009403200094032000940320006D
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:100380009403200094032000940320009403200091
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:1003900094032000390050E3070040820992A0E155
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:1003A0000F0000E2150054E3099080E14500000AC7
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:1003B00027FFFFEB3A0050E3014084E2D3FFFF1A2E
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:1003C0000140A0E3CEFFFFEA0662A0E10040A0E307
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:1003D000CBFFFFEA390050E3070040820662A0E14C
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:1003E0000F0000E2066080E10668A0E12668A0E157
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:1003F000014084E2C2FFFFEA390050E30700408277
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:100400000552A0E10F0000E2055080E1FF5005E237
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:10041000010055E32700000A0E40A033B8FFFF3A61
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:10042000020055E30940A0030040A013B4FFFFEA17
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:10043000390050E3070040820552A0E10F0000E2BE
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:10044000055080E1FF5005E20840A0E3ACFFFFEA61
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:10045000390050E3070040820772A0E10F0000E27C
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:10046000077080E10778A0E1277886E1014084E207
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:10047000A3FFFFEA0D00A0E308FFFFEB2D00A0E3C0
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:1004800006FFFFEB2D00A0E304FFFFEB0D00A0E350
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:1004900002FFFFEB0A00A0E300FFFFEB0A00A0E36E
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:1004A000FEFEFFEB0209A0E3E1FEFFEB0A00A0E184
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:1004B000F047BDE81EFF2FE10800A0E11BFFFFEBA6
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:1004C0000040A0E38EFFFFEA693829E02334A0E171
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:1004D000FF3CC3E3699423E00700A0E1088087E0C4
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:1004E0000910A0E1C8FEFFEB088089E0047087E2F4
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:0C04F0000E40A0E382FFFFEA78563412B1
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:1002A00020B4003F70402DE954409FE50400A0E1D8
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:1002B0005BFFFFEB4C509FE50E16C0E3021681E397
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:1002C0000400A0E150FFFFEB0500A0E154FFFFEBAD
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:1002D0000E19C0E31C4084E20500A0E1021981E38D
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:1002E00049FFFFEB0400A0E10219A0E346FFFFEB8A
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:1002F0000400A0E10810A0E343FFFFEB7040BDE85D
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:100300001EFF2FE11000203F0C00203FF0472DE999
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:100310000080A0E3E2FFFFEB8BFFFFEB40029FE5D5
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:1003200082FFFFEB40FFFFEB80FFFFEB4900A0E304
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:100330005AFFFFEB4800A0E358FFFFEB4500A0E3A6
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:1003400056FFFFEB5800A0E354FFFFEB0D00A0E3C6
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:1003500052FFFFEB0A00A0E30890A0E10860A0E1D3
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:100360000850A0E10870A0E10840A0E14BFFFFEBBE
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:1003700037FFFFEB3A0050E32B00000A0D0050E37B
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:100380000A00501301A0A00300A0A0132900000A36
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:100390002030C0E3470053E35000000A013044E23C
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:1003A000140053E303F19F97F0FFFFEA1C042000C1
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:1003B0001C042000BC042000BC042000BC0420005D
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:1003C000BC0420009C0420006404200040042000A1
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:1003D0004004200040042000400420003404200099
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:1003E000000420000004200000042000000420007D
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:1003F000000420000004200000042000000420006D
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:10040000390050E3070040820992A0E10F0000E2AA
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:10041000150054E3099080E14500000A0CFFFFEB52
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:100420003A0050E3014084E2D3FFFF1A0140A0E309
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:10043000CEFFFFEA0662A0E10040A0E3CBFFFFEAA7
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:10044000390050E3070040820662A0E10F0000E29D
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:10045000066080E10668A0E12668A0E1014084E230
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:10046000C2FFFFEA390050E3070040820552A0E1D5
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:100470000F0000E2055080E1FF5005E2010055E366
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:100480002700000A0E40A033B8FFFF3A020055E3F0
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:100490000940A0030040A013B4FFFFEA390050E375
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:1004A000070040820552A0E10F0000E2055080E104
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:1004B000FF5005E20840A0E3ACFFFFEA390050E33B
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:1004C000070040820772A0E10F0000E2077080E1A0
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:1004D0000778A0E1277886E1014084E2A3FFFFEAE4
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:1004E0000D00A0E3EDFEFFEB2D00A0E3EBFEFFEB24
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:1004F0002D00A0E3E9FEFFEB0D00A0E3E7FEFFEB1C
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:100500000A00A0E3E5FEFFEB0A00A0E3E3FEFFEB39
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:100510000209A0E3C6FEFFEB0A00A0E1F047BDE838
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:100520001EFF2FE10800A0E100FFFFEB0040A0E369
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:100530008EFFFFEA693829E02334A0E1FF3CC3E3E2
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:10054000699423E00700A0E1088087E00910A0E19A
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:10055000ADFEFFEB088089E0047087E20E40A0E367
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:0805600082FFFFEA7856341215
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:040000030000800079
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:00000001FF
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@@ -10,7 +10,7 @@ Disassembly of section .text:
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00200000 <skip>:
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200000: e3a0d302 mov sp, #134217728 ; 0x8000000
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200004: eb0000a6 bl 2002a4 <notmain>
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200004: eb0000c0 bl 20030c <notmain>
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00200008 <hang>:
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200008: eafffffe b 200008 <hang>
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@@ -215,157 +215,186 @@ Disassembly of section .text:
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20029c: e12fff1e bx lr
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2002a0: 3f00b420 svccc 0x0000b420
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002002a4 <notmain>:
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2002a4: e92d47f0 push {r4, r5, r6, r7, r8, r9, sl, lr}
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2002a8: e3a08000 mov r8, #0
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2002ac: ebffffa6 bl 20014c <uart_init>
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2002b0: e59f0240 ldr r0, [pc, #576] ; 2004f8 <notmain+0x254>
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2002b4: ebffff9d bl 200130 <hexstring>
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2002b8: ebffff5b bl 20002c <GETPC>
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2002bc: ebffff9b bl 200130 <hexstring>
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2002c0: e3a00049 mov r0, #73 ; 0x49
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2002c4: ebffff75 bl 2000a0 <uart_send>
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2002c8: e3a00048 mov r0, #72 ; 0x48
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2002cc: ebffff73 bl 2000a0 <uart_send>
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2002d0: e3a00045 mov r0, #69 ; 0x45
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2002d4: ebffff71 bl 2000a0 <uart_send>
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2002d8: e3a00058 mov r0, #88 ; 0x58
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2002dc: ebffff6f bl 2000a0 <uart_send>
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2002e0: e3a0000d mov r0, #13
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2002e4: ebffff6d bl 2000a0 <uart_send>
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2002e8: e3a0000a mov r0, #10
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2002ec: e1a09008 mov r9, r8
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2002f0: e1a06008 mov r6, r8
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2002f4: e1a05008 mov r5, r8
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2002f8: e1a07008 mov r7, r8
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2002fc: e1a04008 mov r4, r8
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200300: ebffff66 bl 2000a0 <uart_send>
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200304: ebffff52 bl 200054 <uart_recv>
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200308: e350003a cmp r0, #58 ; 0x3a
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20030c: 0a00002b beq 2003c0 <notmain+0x11c>
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200310: e350000d cmp r0, #13
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200314: 1350000a cmpne r0, #10
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200318: 03a0a001 moveq sl, #1
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20031c: 13a0a000 movne sl, #0
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200320: 0a000029 beq 2003cc <notmain+0x128>
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200324: e3c03020 bic r3, r0, #32
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200328: e3530047 cmp r3, #71 ; 0x47
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20032c: 0a000050 beq 200474 <notmain+0x1d0>
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200330: e2443001 sub r3, r4, #1
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200334: e3530014 cmp r3, #20
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200338: 979ff103 ldrls pc, [pc, r3, lsl #2]
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20033c: eafffff0 b 200304 <notmain+0x60>
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200340: 002003b0 strhteq r0, [r0], -r0
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200344: 002003b0 strhteq r0, [r0], -r0
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200348: 00200450 eoreq r0, r0, r0, asr r4
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20034c: 00200450 eoreq r0, r0, r0, asr r4
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200350: 00200450 eoreq r0, r0, r0, asr r4
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200354: 00200450 eoreq r0, r0, r0, asr r4
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200358: 00200430 eoreq r0, r0, r0, lsr r4
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20035c: 002003f8 strdeq r0, [r0], -r8 ; <UNPREDICTABLE>
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200360: 002003d4 ldrdeq r0, [r0], -r4 ; <UNPREDICTABLE>
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200364: 002003d4 ldrdeq r0, [r0], -r4 ; <UNPREDICTABLE>
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200368: 002003d4 ldrdeq r0, [r0], -r4 ; <UNPREDICTABLE>
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20036c: 002003d4 ldrdeq r0, [r0], -r4 ; <UNPREDICTABLE>
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200370: 002003c8 eoreq r0, r0, r8, asr #7
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200374: 00200394 mlaeq r0, r4, r3, r0
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200378: 00200394 mlaeq r0, r4, r3, r0
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20037c: 00200394 mlaeq r0, r4, r3, r0
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200380: 00200394 mlaeq r0, r4, r3, r0
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200384: 00200394 mlaeq r0, r4, r3, r0
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200388: 00200394 mlaeq r0, r4, r3, r0
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20038c: 00200394 mlaeq r0, r4, r3, r0
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200390: 00200394 mlaeq r0, r4, r3, r0
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200394: e3500039 cmp r0, #57 ; 0x39
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200398: 82400007 subhi r0, r0, #7
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20039c: e1a09209 lsl r9, r9, #4
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2003a0: e200000f and r0, r0, #15
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2003a4: e3540015 cmp r4, #21
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2003a8: e1809009 orr r9, r0, r9
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2003ac: 0a000045 beq 2004c8 <notmain+0x224>
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2003b0: ebffff27 bl 200054 <uart_recv>
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2003b4: e350003a cmp r0, #58 ; 0x3a
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2003b8: e2844001 add r4, r4, #1
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2003bc: 1affffd3 bne 200310 <notmain+0x6c>
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2003c0: e3a04001 mov r4, #1
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2003c4: eaffffce b 200304 <notmain+0x60>
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2003c8: e1a06206 lsl r6, r6, #4
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2003cc: e3a04000 mov r4, #0
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2003d0: eaffffcb b 200304 <notmain+0x60>
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2003d4: e3500039 cmp r0, #57 ; 0x39
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2003d8: 82400007 subhi r0, r0, #7
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2003dc: e1a06206 lsl r6, r6, #4
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2003e0: e200000f and r0, r0, #15
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2003e4: e1806006 orr r6, r0, r6
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2003e8: e1a06806 lsl r6, r6, #16
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2003ec: e1a06826 lsr r6, r6, #16
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2003f0: e2844001 add r4, r4, #1
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2003f4: eaffffc2 b 200304 <notmain+0x60>
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2003f8: e3500039 cmp r0, #57 ; 0x39
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2003fc: 82400007 subhi r0, r0, #7
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200400: e1a05205 lsl r5, r5, #4
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200404: e200000f and r0, r0, #15
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200408: e1805005 orr r5, r0, r5
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20040c: e20550ff and r5, r5, #255 ; 0xff
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200410: e3550001 cmp r5, #1
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200414: 0a000027 beq 2004b8 <notmain+0x214>
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200418: 33a0400e movcc r4, #14
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20041c: 3affffb8 bcc 200304 <notmain+0x60>
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200420: e3550002 cmp r5, #2
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200424: 03a04009 moveq r4, #9
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200428: 13a04000 movne r4, #0
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20042c: eaffffb4 b 200304 <notmain+0x60>
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200430: e3500039 cmp r0, #57 ; 0x39
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200434: 82400007 subhi r0, r0, #7
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200438: e1a05205 lsl r5, r5, #4
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20043c: e200000f and r0, r0, #15
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200440: e1805005 orr r5, r0, r5
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200444: e20550ff and r5, r5, #255 ; 0xff
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200448: e3a04008 mov r4, #8
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20044c: eaffffac b 200304 <notmain+0x60>
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200450: e3500039 cmp r0, #57 ; 0x39
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200454: 82400007 subhi r0, r0, #7
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200458: e1a07207 lsl r7, r7, #4
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20045c: e200000f and r0, r0, #15
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200460: e1807007 orr r7, r0, r7
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200464: e1a07807 lsl r7, r7, #16
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200468: e1867827 orr r7, r6, r7, lsr #16
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20046c: e2844001 add r4, r4, #1
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200470: eaffffa3 b 200304 <notmain+0x60>
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200474: e3a0000d mov r0, #13
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200478: ebffff08 bl 2000a0 <uart_send>
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20047c: e3a0002d mov r0, #45 ; 0x2d
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||||
200480: ebffff06 bl 2000a0 <uart_send>
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200484: e3a0002d mov r0, #45 ; 0x2d
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200488: ebffff04 bl 2000a0 <uart_send>
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20048c: e3a0000d mov r0, #13
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200490: ebffff02 bl 2000a0 <uart_send>
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200494: e3a0000a mov r0, #10
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||||
200498: ebffff00 bl 2000a0 <uart_send>
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20049c: e3a0000a mov r0, #10
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||||
2004a0: ebfffefe bl 2000a0 <uart_send>
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||||
2004a4: e3a00902 mov r0, #32768 ; 0x8000
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||||
2004a8: ebfffee1 bl 200034 <BRANCHTO>
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||||
2004ac: e1a0000a mov r0, sl
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||||
2004b0: e8bd47f0 pop {r4, r5, r6, r7, r8, r9, sl, lr}
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||||
2004b4: e12fff1e bx lr
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||||
2004b8: e1a00008 mov r0, r8
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||||
2004bc: ebffff1b bl 200130 <hexstring>
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||||
2004c0: e3a04000 mov r4, #0
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||||
2004c4: eaffff8e b 200304 <notmain+0x60>
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||||
2004c8: e0293869 eor r3, r9, r9, ror #16
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||||
2004cc: e1a03423 lsr r3, r3, #8
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||||
2004d0: e3c33cff bic r3, r3, #65280 ; 0xff00
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||||
2004d4: e0239469 eor r9, r3, r9, ror #8
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||||
2004d8: e1a00007 mov r0, r7
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2004dc: e0878008 add r8, r7, r8
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||||
2004e0: e1a01009 mov r1, r9
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||||
2004e4: ebfffec8 bl 20000c <PUT32>
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||||
2004e8: e0898008 add r8, r9, r8
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||||
2004ec: e2877004 add r7, r7, #4
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||||
2004f0: e3a0400e mov r4, #14
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||||
2004f4: eaffff82 b 200304 <notmain+0x60>
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2004f8: 12345678 eorsne r5, r4, #120, 12 ; 0x7800000
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002002a4 <leds_off>:
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2002a4: e92d4070 push {r4, r5, r6, lr}
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2002a8: e59f4054 ldr r4, [pc, #84] ; 200304 <leds_off+0x60>
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2002ac: e1a00004 mov r0, r4
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||||
2002b0: ebffff5b bl 200024 <GET32>
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||||
2002b4: e59f504c ldr r5, [pc, #76] ; 200308 <leds_off+0x64>
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||||
2002b8: e3c0160e bic r1, r0, #14680064 ; 0xe00000
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||||
2002bc: e3811602 orr r1, r1, #2097152 ; 0x200000
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||||
2002c0: e1a00004 mov r0, r4
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||||
2002c4: ebffff50 bl 20000c <PUT32>
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||||
2002c8: e1a00005 mov r0, r5
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||||
2002cc: ebffff54 bl 200024 <GET32>
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||||
2002d0: e3c0190e bic r1, r0, #229376 ; 0x38000
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||||
2002d4: e284401c add r4, r4, #28
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||||
2002d8: e1a00005 mov r0, r5
|
||||
2002dc: e3811902 orr r1, r1, #32768 ; 0x8000
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||||
2002e0: ebffff49 bl 20000c <PUT32>
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||||
2002e4: e1a00004 mov r0, r4
|
||||
2002e8: e3a01902 mov r1, #32768 ; 0x8000
|
||||
2002ec: ebffff46 bl 20000c <PUT32>
|
||||
2002f0: e1a00004 mov r0, r4
|
||||
2002f4: e3a01008 mov r1, #8
|
||||
2002f8: ebffff43 bl 20000c <PUT32>
|
||||
2002fc: e8bd4070 pop {r4, r5, r6, lr}
|
||||
200300: e12fff1e bx lr
|
||||
200304: 3f200010 svccc 0x00200010
|
||||
200308: 3f20000c svccc 0x0020000c
|
||||
|
||||
0020030c <notmain>:
|
||||
20030c: e92d47f0 push {r4, r5, r6, r7, r8, r9, sl, lr}
|
||||
200310: e3a08000 mov r8, #0
|
||||
200314: ebffffe2 bl 2002a4 <leds_off>
|
||||
200318: ebffff8b bl 20014c <uart_init>
|
||||
20031c: e59f0240 ldr r0, [pc, #576] ; 200564 <notmain+0x258>
|
||||
200320: ebffff82 bl 200130 <hexstring>
|
||||
200324: ebffff40 bl 20002c <GETPC>
|
||||
200328: ebffff80 bl 200130 <hexstring>
|
||||
20032c: e3a00049 mov r0, #73 ; 0x49
|
||||
200330: ebffff5a bl 2000a0 <uart_send>
|
||||
200334: e3a00048 mov r0, #72 ; 0x48
|
||||
200338: ebffff58 bl 2000a0 <uart_send>
|
||||
20033c: e3a00045 mov r0, #69 ; 0x45
|
||||
200340: ebffff56 bl 2000a0 <uart_send>
|
||||
200344: e3a00058 mov r0, #88 ; 0x58
|
||||
200348: ebffff54 bl 2000a0 <uart_send>
|
||||
20034c: e3a0000d mov r0, #13
|
||||
200350: ebffff52 bl 2000a0 <uart_send>
|
||||
200354: e3a0000a mov r0, #10
|
||||
200358: e1a09008 mov r9, r8
|
||||
20035c: e1a06008 mov r6, r8
|
||||
200360: e1a05008 mov r5, r8
|
||||
200364: e1a07008 mov r7, r8
|
||||
200368: e1a04008 mov r4, r8
|
||||
20036c: ebffff4b bl 2000a0 <uart_send>
|
||||
200370: ebffff37 bl 200054 <uart_recv>
|
||||
200374: e350003a cmp r0, #58 ; 0x3a
|
||||
200378: 0a00002b beq 20042c <notmain+0x120>
|
||||
20037c: e350000d cmp r0, #13
|
||||
200380: 1350000a cmpne r0, #10
|
||||
200384: 03a0a001 moveq sl, #1
|
||||
200388: 13a0a000 movne sl, #0
|
||||
20038c: 0a000029 beq 200438 <notmain+0x12c>
|
||||
200390: e3c03020 bic r3, r0, #32
|
||||
200394: e3530047 cmp r3, #71 ; 0x47
|
||||
200398: 0a000050 beq 2004e0 <notmain+0x1d4>
|
||||
20039c: e2443001 sub r3, r4, #1
|
||||
2003a0: e3530014 cmp r3, #20
|
||||
2003a4: 979ff103 ldrls pc, [pc, r3, lsl #2]
|
||||
2003a8: eafffff0 b 200370 <notmain+0x64>
|
||||
2003ac: 0020041c eoreq r0, r0, ip, lsl r4
|
||||
2003b0: 0020041c eoreq r0, r0, ip, lsl r4
|
||||
2003b4: 002004bc strhteq r0, [r0], -ip
|
||||
2003b8: 002004bc strhteq r0, [r0], -ip
|
||||
2003bc: 002004bc strhteq r0, [r0], -ip
|
||||
2003c0: 002004bc strhteq r0, [r0], -ip
|
||||
2003c4: 0020049c mlaeq r0, ip, r4, r0
|
||||
2003c8: 00200464 eoreq r0, r0, r4, ror #8
|
||||
2003cc: 00200440 eoreq r0, r0, r0, asr #8
|
||||
2003d0: 00200440 eoreq r0, r0, r0, asr #8
|
||||
2003d4: 00200440 eoreq r0, r0, r0, asr #8
|
||||
2003d8: 00200440 eoreq r0, r0, r0, asr #8
|
||||
2003dc: 00200434 eoreq r0, r0, r4, lsr r4
|
||||
2003e0: 00200400 eoreq r0, r0, r0, lsl #8
|
||||
2003e4: 00200400 eoreq r0, r0, r0, lsl #8
|
||||
2003e8: 00200400 eoreq r0, r0, r0, lsl #8
|
||||
2003ec: 00200400 eoreq r0, r0, r0, lsl #8
|
||||
2003f0: 00200400 eoreq r0, r0, r0, lsl #8
|
||||
2003f4: 00200400 eoreq r0, r0, r0, lsl #8
|
||||
2003f8: 00200400 eoreq r0, r0, r0, lsl #8
|
||||
2003fc: 00200400 eoreq r0, r0, r0, lsl #8
|
||||
200400: e3500039 cmp r0, #57 ; 0x39
|
||||
200404: 82400007 subhi r0, r0, #7
|
||||
200408: e1a09209 lsl r9, r9, #4
|
||||
20040c: e200000f and r0, r0, #15
|
||||
200410: e3540015 cmp r4, #21
|
||||
200414: e1809009 orr r9, r0, r9
|
||||
200418: 0a000045 beq 200534 <notmain+0x228>
|
||||
20041c: ebffff0c bl 200054 <uart_recv>
|
||||
200420: e350003a cmp r0, #58 ; 0x3a
|
||||
200424: e2844001 add r4, r4, #1
|
||||
200428: 1affffd3 bne 20037c <notmain+0x70>
|
||||
20042c: e3a04001 mov r4, #1
|
||||
200430: eaffffce b 200370 <notmain+0x64>
|
||||
200434: e1a06206 lsl r6, r6, #4
|
||||
200438: e3a04000 mov r4, #0
|
||||
20043c: eaffffcb b 200370 <notmain+0x64>
|
||||
200440: e3500039 cmp r0, #57 ; 0x39
|
||||
200444: 82400007 subhi r0, r0, #7
|
||||
200448: e1a06206 lsl r6, r6, #4
|
||||
20044c: e200000f and r0, r0, #15
|
||||
200450: e1806006 orr r6, r0, r6
|
||||
200454: e1a06806 lsl r6, r6, #16
|
||||
200458: e1a06826 lsr r6, r6, #16
|
||||
20045c: e2844001 add r4, r4, #1
|
||||
200460: eaffffc2 b 200370 <notmain+0x64>
|
||||
200464: e3500039 cmp r0, #57 ; 0x39
|
||||
200468: 82400007 subhi r0, r0, #7
|
||||
20046c: e1a05205 lsl r5, r5, #4
|
||||
200470: e200000f and r0, r0, #15
|
||||
200474: e1805005 orr r5, r0, r5
|
||||
200478: e20550ff and r5, r5, #255 ; 0xff
|
||||
20047c: e3550001 cmp r5, #1
|
||||
200480: 0a000027 beq 200524 <notmain+0x218>
|
||||
200484: 33a0400e movcc r4, #14
|
||||
200488: 3affffb8 bcc 200370 <notmain+0x64>
|
||||
20048c: e3550002 cmp r5, #2
|
||||
200490: 03a04009 moveq r4, #9
|
||||
200494: 13a04000 movne r4, #0
|
||||
200498: eaffffb4 b 200370 <notmain+0x64>
|
||||
20049c: e3500039 cmp r0, #57 ; 0x39
|
||||
2004a0: 82400007 subhi r0, r0, #7
|
||||
2004a4: e1a05205 lsl r5, r5, #4
|
||||
2004a8: e200000f and r0, r0, #15
|
||||
2004ac: e1805005 orr r5, r0, r5
|
||||
2004b0: e20550ff and r5, r5, #255 ; 0xff
|
||||
2004b4: e3a04008 mov r4, #8
|
||||
2004b8: eaffffac b 200370 <notmain+0x64>
|
||||
2004bc: e3500039 cmp r0, #57 ; 0x39
|
||||
2004c0: 82400007 subhi r0, r0, #7
|
||||
2004c4: e1a07207 lsl r7, r7, #4
|
||||
2004c8: e200000f and r0, r0, #15
|
||||
2004cc: e1807007 orr r7, r0, r7
|
||||
2004d0: e1a07807 lsl r7, r7, #16
|
||||
2004d4: e1867827 orr r7, r6, r7, lsr #16
|
||||
2004d8: e2844001 add r4, r4, #1
|
||||
2004dc: eaffffa3 b 200370 <notmain+0x64>
|
||||
2004e0: e3a0000d mov r0, #13
|
||||
2004e4: ebfffeed bl 2000a0 <uart_send>
|
||||
2004e8: e3a0002d mov r0, #45 ; 0x2d
|
||||
2004ec: ebfffeeb bl 2000a0 <uart_send>
|
||||
2004f0: e3a0002d mov r0, #45 ; 0x2d
|
||||
2004f4: ebfffee9 bl 2000a0 <uart_send>
|
||||
2004f8: e3a0000d mov r0, #13
|
||||
2004fc: ebfffee7 bl 2000a0 <uart_send>
|
||||
200500: e3a0000a mov r0, #10
|
||||
200504: ebfffee5 bl 2000a0 <uart_send>
|
||||
200508: e3a0000a mov r0, #10
|
||||
20050c: ebfffee3 bl 2000a0 <uart_send>
|
||||
200510: e3a00902 mov r0, #32768 ; 0x8000
|
||||
200514: ebfffec6 bl 200034 <BRANCHTO>
|
||||
200518: e1a0000a mov r0, sl
|
||||
20051c: e8bd47f0 pop {r4, r5, r6, r7, r8, r9, sl, lr}
|
||||
200520: e12fff1e bx lr
|
||||
200524: e1a00008 mov r0, r8
|
||||
200528: ebffff00 bl 200130 <hexstring>
|
||||
20052c: e3a04000 mov r4, #0
|
||||
200530: eaffff8e b 200370 <notmain+0x64>
|
||||
200534: e0293869 eor r3, r9, r9, ror #16
|
||||
200538: e1a03423 lsr r3, r3, #8
|
||||
20053c: e3c33cff bic r3, r3, #65280 ; 0xff00
|
||||
200540: e0239469 eor r9, r3, r9, ror #8
|
||||
200544: e1a00007 mov r0, r7
|
||||
200548: e0878008 add r8, r7, r8
|
||||
20054c: e1a01009 mov r1, r9
|
||||
200550: ebfffead bl 20000c <PUT32>
|
||||
200554: e0898008 add r8, r9, r8
|
||||
200558: e2877004 add r7, r7, #4
|
||||
20055c: e3a0400e mov r4, #14
|
||||
200560: eaffff82 b 200370 <notmain+0x64>
|
||||
200564: 12345678 eorsne r5, r4, #120, 12 ; 0x7800000
|
||||
|
||||
Disassembly of section .ARM.attributes:
|
||||
|
||||
@@ -386,7 +415,7 @@ Disassembly of section .ARM.attributes:
|
||||
Disassembly of section .comment:
|
||||
|
||||
00000000 <.comment>:
|
||||
0: 3a434347 bcc 10d0d24 <notmain+0xed0a80>
|
||||
0: 3a434347 bcc 10d0d24 <notmain+0xed0a18>
|
||||
4: 4e472820 cdpmi 8, 4, cr2, cr7, cr0, {1}
|
||||
8: 35202955 strcc r2, [r0, #-2389]! ; 0xfffff6ab
|
||||
c: 302e332e eorcc r3, lr, lr, lsr #6
|
||||
Binary file not shown.
@@ -136,6 +136,28 @@ unsigned int timer_tick ( void )
|
||||
return(GET32(ARM_TIMER_CNT));
|
||||
}
|
||||
//-------------------------------------------------------------------------
|
||||
void leds_off ( void )
|
||||
{
|
||||
#define GPFSEL3 0x3F20000C
|
||||
#define GPFSEL4 0x3F200010
|
||||
#define GPSET1 0x3F200020
|
||||
#define GPCLR1 0x3F20002C
|
||||
unsigned int ra;
|
||||
|
||||
ra=GET32(GPFSEL4);
|
||||
ra&=~(7<<21);
|
||||
ra|=1<<21;
|
||||
PUT32(GPFSEL4,ra);
|
||||
|
||||
ra=GET32(GPFSEL3);
|
||||
ra&=~(7<<15);
|
||||
ra|=1<<15;
|
||||
PUT32(GPFSEL3,ra);
|
||||
|
||||
PUT32(GPCLR1,1<<(47-32));
|
||||
PUT32(GPCLR1,1<<(35-32));
|
||||
}
|
||||
//-------------------------------------------------------------------------
|
||||
//-------------------------------------------------------------------------
|
||||
|
||||
|
||||
BIN
boards/pi2/HYP/bootloader07/periph.o
Normal file
BIN
boards/pi2/HYP/bootloader07/periph.o
Normal file
Binary file not shown.
Binary file not shown.
Binary file not shown.
294
pitopi/README
294
pitopi/README
@@ -1,294 +0,0 @@
|
||||
|
||||
What is a pit opi? It is actually pi to pi as in a Raspberry Pi running
|
||||
Linux used as a host and a second Raspberry Pi used as a bare metal
|
||||
platform. I will call one the Linux pi and the other the bare metal pi.
|
||||
|
||||
If you look at the top level README there is talk of buying a $15 or
|
||||
so usb to serial (usb to uart) and some wires for connecting your host
|
||||
pc to your bare metal pi for bare metal development, using the
|
||||
bootloader, etc. Well that puts you into a problem of where do I get
|
||||
the tools, I need a toolchain and I need a terminal program with xmodem
|
||||
(to use one of my bootloaders) as well as the usb to uart thing. Well
|
||||
for a little more you can get another Raspberry Pi if you dont already
|
||||
have a second one. You can get Linux up and running on that Linux pi
|
||||
and it has a working arm gnu toolchain compiler as part of the distro.
|
||||
With a little more work (mostly just downloading a few things) and
|
||||
three wires (still need the wires)(maybe two, depends on your comfort
|
||||
level) you gain a development environment where the tools are trivial
|
||||
to come by, and a dumb terminal program with xmodem.
|
||||
|
||||
I am doing this from memory, so hopefully I cover all the steps
|
||||
|
||||
I downloaded Raspian wheezy
|
||||
|
||||
http://www.raspberrypi.org/downloads
|
||||
|
||||
And put it on an sd card
|
||||
|
||||
http://elinux.org/RPi_Easy_SD_Card_Setup
|
||||
|
||||
Plugged in a monitor, keyboard, mouse, and network and the powered
|
||||
that Linux pi from a computer. You want to power both Raspberry Pis
|
||||
from the same power source for example a powered usb hub or the same
|
||||
computer. In theory this way you dont put a large delta between
|
||||
the ground planes on the two boards which could fry something. The
|
||||
odds of this are quite low, but if you happened to get lucky and
|
||||
cross phases, that is about like taking bare wires from wall power and
|
||||
touching those wires on metal parts around the board, some smoke will
|
||||
be released from something. So the Linux pi boots, I get this text
|
||||
menu thing that asks things like do you want ssh enabled do you want
|
||||
to push the filesystem to fill the sd card, stuff like that. After this
|
||||
first bring up I actually dont use the keyboard, mouse, and monitor on
|
||||
the Linux pi I used ssh and/or vnc, personal preference, not going to
|
||||
explain the steps, I assume you are using the Linux pi as a computer
|
||||
with keyboard, mouse and monitor.
|
||||
|
||||
The Linux pi reboots with these settings and I am in I have a Linux
|
||||
based computer.
|
||||
|
||||
Next I made sure I had a few tools:
|
||||
|
||||
apt-get install build-essential
|
||||
apt-get install minicom lrzsz
|
||||
|
||||
You have to be a programmer to be doing or learning bare metal
|
||||
programming so I dont need to tell you about text editors you have
|
||||
one or ones you like and know how to use it or them.
|
||||
|
||||
Now the uart on the Linux pi is by default enabled to be used as the
|
||||
console, it spits out messages on boot, and provides a login prompt.
|
||||
Well I want to use it as a generic uart/serial port and not have it
|
||||
used for that purpose so looking at this page
|
||||
|
||||
http://elinux.org/RPi_Serial_Connection
|
||||
|
||||
I backed up inittab
|
||||
|
||||
cd /etc
|
||||
sudo cp inittab inittab.orig
|
||||
Now edit inittab (using sudo if you are not logged in as root)
|
||||
comment out the T0:23... line they mention which has the ttyAMA0 thing
|
||||
in it, and save
|
||||
|
||||
backup cmdline.txt
|
||||
|
||||
cd /boot
|
||||
sudo cp cmdline.txt cmdline.orig
|
||||
Now edit cmdline.orig I think there were two places where ttyAMA0 were
|
||||
called out. DONT KILL THE WHOLE LINE, just remove the two chunks
|
||||
of non-whitespace that include AMA0.
|
||||
save.
|
||||
|
||||
Now reboot
|
||||
|
||||
sudo reboot
|
||||
|
||||
As mentioned
|
||||
|
||||
cat /proc/cmdline
|
||||
|
||||
and make sure there is no reference to AMA0
|
||||
|
||||
and then
|
||||
|
||||
ps aux | grep ttyAMA0
|
||||
|
||||
You should only see the ps command in the output and no other commands
|
||||
|
||||
Once you have reached this point. Glance at the top level README for
|
||||
this repo. The corner of the board with two rows of pins, about 26 or
|
||||
so pins total. The outer corner pin is pin 2 starting at that pin and
|
||||
counting toward the rca and audio plugs it goes by 2s, 2,4,6,8,10.
|
||||
|
||||
pin 6 is ground
|
||||
pin 8 is TX
|
||||
pin 10 is RX
|
||||
|
||||
For now take one of your wires and connect pin 8 to pin 10 on the Linux
|
||||
pi (we are doing a test, we will connect between the boards later this
|
||||
is connecting two pins on the same board).
|
||||
|
||||
Open a command line/terminal on the Linux pi
|
||||
|
||||
We need to setup minicom one time before we use it (must use sudo or
|
||||
run as root)
|
||||
|
||||
sudo minicom -s
|
||||
|
||||
Now the user interface to minicom is a bit dated and likely very strange
|
||||
in this point and click or touch screen world.
|
||||
|
||||
Using the arrow keys down arrow to Serial port setup and hit enter.
|
||||
|
||||
Along the left side is A B C D E F G, press the A key (does not have
|
||||
to be capital just press a one time) the cursor moves to the end
|
||||
of the A line, the Serial Device. Edit that line using backspace or
|
||||
delete and you want it to have
|
||||
|
||||
/dev/ttyAMA0
|
||||
|
||||
Then press enter one time
|
||||
|
||||
Now press F one time, Hardware Flow Control should change from Yes to NO
|
||||
|
||||
Now press enter one time, this takes you back to the top menu
|
||||
|
||||
Down arrow to Modem and Dialing and press enter one time
|
||||
|
||||
Press A one time
|
||||
|
||||
Press space and I think that will erase the line and put a space then
|
||||
backspace to have nothing on that line (faster than a bunch of backspaces
|
||||
or deletes to erase the line)
|
||||
|
||||
Press enter one time
|
||||
|
||||
Press K one time
|
||||
|
||||
same deal we want to delete that line, then press enter one time
|
||||
|
||||
Press enter one more time to go to the top level menu
|
||||
|
||||
(you can re-enter these submenus as needed to make these changes and can
|
||||
make these changes in any order)
|
||||
|
||||
Down arrow twice to Save setup as dfl (default).
|
||||
|
||||
And then down arrow and select Exit from Minicom. For whatever reason
|
||||
to disable hardware flow control you have to exit minicom then come
|
||||
back for it to actually work. At least on x86 based pcs that is the case.
|
||||
|
||||
So minicom is now ready to use, if all of the above went well you wont
|
||||
need to do that again. With a jumper wire connecting pin 8 to pin 10
|
||||
run minicom (without any options)
|
||||
|
||||
sudo minicom
|
||||
|
||||
Whatever you type you should be able to see on the terminal. If this
|
||||
doesnt work you cannot continue. What is going in is the character
|
||||
is going out the uart (TX) and through the wire then that is looped
|
||||
back into the input (RX) and we can see it. A return here is simply
|
||||
a carriage return without a line feed so when you hit enter it only
|
||||
goes to the beginning of the same line, it does not advance a line
|
||||
like you are used to. Unplug one end of the wire and the echoing of
|
||||
characters should no longer work. Replace the wire and it should work
|
||||
again. I repeat if this doesnt work for you you cannot continue...
|
||||
|
||||
Now very carefully not to short other parts of the boards together, you
|
||||
might want to power off the Linux pi safely and have both of them turned
|
||||
off. Depends on your comfort level. Connect pin 6 on one board to
|
||||
pin 6 on the other board. Connect pin 8 on one board to pin 10 on the
|
||||
other and vice versa so both boards have their pin 8 connected to pin 10
|
||||
on the other board.
|
||||
|
||||
Get my bootloader (bootloader05 for example) and follow the instructions
|
||||
there or in the top level README for putting the files you need including
|
||||
that kernel.img file on A SECOND SD CARD, NOT ON THE LINUX PI SD CARD,
|
||||
THIS GOES ON THE BARE METAL PI SD CARD. You need two sd cards to go
|
||||
with two Raspberry Pis.
|
||||
|
||||
Power on the Linux pi, let it come up completely, open a terminal
|
||||
then run minicom. A trick to save yourself time is to run minicom
|
||||
wherever you have the .bin files you want to load to the bare metal pi
|
||||
this way you dont have to navigate through the directory structure using
|
||||
a confusing and painful text based thing in minicom. The other
|
||||
alternative is to run minicom in some simple place like your home
|
||||
directory then when you build a .bin file to try, copy it to your home
|
||||
directory (putting the .bin file in the same place as minicom was launched)
|
||||
|
||||
sudo minicom
|
||||
|
||||
Now power on the bare metal pi. Sometimes I have to try more than once
|
||||
to get it to come up. DexOS has a config.txt solution for this I simply
|
||||
just try again.
|
||||
|
||||
Once you see some characters then see it every so many seconds send
|
||||
something that looks kind of like garbage, you are ready to download
|
||||
a program.
|
||||
|
||||
Grab blinker01 or something simple like that. Edit the makefile
|
||||
and replace $(ARMGNU)- with nothing
|
||||
|
||||
Such that lines like these:
|
||||
|
||||
blinker01.elf : memmap vectors.o blinker01.o
|
||||
$(ARMGNU)-ld vectors.o blinker01.o -T memmap -o blinker01.elf
|
||||
$(ARMGNU)-objdump -D blinker01.elf > blinker01.list
|
||||
|
||||
Change to this:
|
||||
|
||||
blinker01.elf : memmap vectors.o blinker01.o
|
||||
ld vectors.o blinker01.o -T memmap -o blinker01.elf
|
||||
objdump -D blinker01.elf > blinker01.list
|
||||
|
||||
Save the makefile and run make from a Linux pi command line.
|
||||
|
||||
If you are actually on an arm based Linux (which the linux pi is) it should
|
||||
build just fine. If you try this on your x86 it should fail the asm code
|
||||
in particular will fail to assemble, game over.
|
||||
|
||||
So now you have a .bin file to try, as mentioned above you want it
|
||||
wherever you launched minicom to save yourself some trouble. I am
|
||||
going to assume the filename in question is hello.bin
|
||||
|
||||
Back to the minicom window, it should be getting those weird characters
|
||||
once every so many seconds.
|
||||
|
||||
Press Ctrl-A then press S
|
||||
this should pop up one of those minicom menus with a few upload choices,
|
||||
|
||||
down arrow twice to xmodem and hit enter one time
|
||||
|
||||
Now you have the file selection window of pain. If you took my advice
|
||||
the just hit enter one time It should pop up another thing that says
|
||||
No file selected - enter filename:
|
||||
Now type in
|
||||
hello.bin
|
||||
and press enter one time
|
||||
|
||||
it should then do the download to the bare metal pi, and the
|
||||
program should load and run on the bare metal pi.
|
||||
|
||||
When you want to run another program, pull the usb cable for the
|
||||
bare metal pi (LEAVE THE LINUX PI POWERED). and plug it back in, I find
|
||||
the fat plug on the computer side is easier to pull and replug than
|
||||
the micro-b connector on the rasberry pi itself, YMMV.
|
||||
|
||||
Note that once you have typed in the filename one time in minicom,
|
||||
so long as you dont exit minicom it will be there the next time you
|
||||
run, if you use the same filename for a while the download key sequence
|
||||
becomes
|
||||
|
||||
ctrl-a
|
||||
s
|
||||
down arrow
|
||||
down arrow
|
||||
enter
|
||||
enter
|
||||
enter
|
||||
|
||||
Modify your program
|
||||
compile
|
||||
copy to whever
|
||||
mouse over to minicom
|
||||
power cycle the bare metal pi
|
||||
do the key sequence
|
||||
repeat
|
||||
|
||||
To exit minicom:
|
||||
|
||||
Ctrl-A then Q and press enter to select the default of exiting without
|
||||
reset.
|
||||
|
||||
If your bare metal pi program spits out stuff (the uart## examples)
|
||||
and the text goes off the right side of the minicom window then
|
||||
use Ctrl-a then w to swich to wrap mode, and the text will wrap so you
|
||||
can see all of it.
|
||||
|
||||
Minicom may be clunky but like vi it is available for so many Linux/unix
|
||||
platforms that you can rely on it as a tool in your toolbox, you may
|
||||
not like it but it is always there. Like hyperterm used to be for
|
||||
Windows, but geez, they screwed that up didnt they? Like minicom
|
||||
hyperterm was not the best tool, but for a good many years/versions it
|
||||
was always there.
|
||||
|
||||
Reference in New Issue
Block a user