From 0dfe0cae153dcaf2b35af00539df178f61834d21 Mon Sep 17 00:00:00 2001 From: Phillip Stephens Date: Thu, 22 Dec 2022 12:46:14 -0800 Subject: [PATCH] Match and link EXI Former-commit-id: 4059bf7e3da6545780970d0e974538961806878e --- asm/Dolphin/exi/EXIBios.s | 84 ++-- asm/Dolphin/thp/THPDec.s | 3 +- configure.py | 4 +- include/dolphin/os.h | 1 + include/dolphin/os/OSExpansion.h | 79 ++++ src/Dolphin/exi/EXIBios.c | 690 +++++++++++++++++++++++++++++++ src/Dolphin/exi/EXIUart.c | 174 ++++++++ 7 files changed, 989 insertions(+), 46 deletions(-) create mode 100644 include/dolphin/os/OSExpansion.h create mode 100644 src/Dolphin/exi/EXIBios.c create mode 100644 src/Dolphin/exi/EXIUart.c diff --git a/asm/Dolphin/exi/EXIBios.s b/asm/Dolphin/exi/EXIBios.s index 9a20983f..c1a73934 100644 --- a/asm/Dolphin/exi/EXIBios.s +++ b/asm/Dolphin/exi/EXIBios.s @@ -23,8 +23,8 @@ lbl_803F7050: .section .bss .balign 8 -.global lbl_80569E98 -lbl_80569E98: +.global Ecb +Ecb: .skip 0xC8 .section .sdata, "wa" @@ -46,8 +46,8 @@ SetExiInterruptMask: /* 803C001C 003BCF7C 94 21 FF E8 */ stwu r1, -0x18(r1) /* 803C0020 003BCF80 93 E1 00 14 */ stw r31, 0x14(r1) /* 803C0024 003BCF84 3B E4 00 00 */ addi r31, r4, 0 -/* 803C0028 003BCF88 3C 80 80 57 */ lis r4, lbl_80569E98@ha -/* 803C002C 003BCF8C 38 84 9E 98 */ addi r4, r4, lbl_80569E98@l +/* 803C0028 003BCF88 3C 80 80 57 */ lis r4, Ecb@ha +/* 803C002C 003BCF8C 38 84 9E 98 */ addi r4, r4, Ecb@l /* 803C0030 003BCF90 38 84 00 80 */ addi r4, r4, 0x80 /* 803C0034 003BCF94 2C 03 00 01 */ cmpwi r3, 1 /* 803C0038 003BCF98 41 82 00 5C */ beq lbl_803C0094 @@ -127,8 +127,8 @@ EXIImm: /* 803C0124 003BD084 3B A6 00 00 */ addi r29, r6, 0 /* 803C0128 003BD088 3B 27 00 00 */ addi r25, r7, 0 /* 803C012C 003BD08C 54 64 30 32 */ slwi r4, r3, 6 -/* 803C0130 003BD090 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0134 003BD094 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C0130 003BD090 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0134 003BD094 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0138 003BD098 7F E0 22 14 */ add r31, r0, r4 /* 803C013C 003BD09C 4B FC 15 25 */ bl OSDisableInterrupts /* 803C0140 003BD0A0 7C 7E 1B 78 */ mr r30, r3 @@ -343,8 +343,8 @@ EXIDma: /* 803C0420 003BD380 3B C6 00 00 */ addi r30, r6, 0 /* 803C0424 003BD384 3B 27 00 00 */ addi r25, r7, 0 /* 803C0428 003BD388 54 64 30 32 */ slwi r4, r3, 6 -/* 803C042C 003BD38C 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0430 003BD390 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C042C 003BD38C 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0430 003BD390 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0434 003BD394 7F 40 22 14 */ add r26, r0, r4 /* 803C0438 003BD398 4B FC 12 29 */ bl OSDisableInterrupts /* 803C043C 003BD39C 7C 7F 1B 78 */ mr r31, r3 @@ -404,8 +404,8 @@ EXISync: /* 803C04F8 003BD458 94 21 FF D0 */ stwu r1, -0x30(r1) /* 803C04FC 003BD45C BF 61 00 1C */ stmw r27, 0x1c(r1) /* 803C0500 003BD460 54 65 30 32 */ slwi r5, r3, 6 -/* 803C0504 003BD464 3C 80 80 57 */ lis r4, lbl_80569E98@ha -/* 803C0508 003BD468 38 04 9E 98 */ addi r0, r4, lbl_80569E98@l +/* 803C0504 003BD464 3C 80 80 57 */ lis r4, Ecb@ha +/* 803C0508 003BD468 38 04 9E 98 */ addi r0, r4, Ecb@l /* 803C050C 003BD46C 7F E0 2A 14 */ add r31, r0, r5 /* 803C0510 003BD470 3B 80 00 00 */ li r28, 0 /* 803C0514 003BD474 1F C3 00 14 */ mulli r30, r3, 0x14 @@ -586,8 +586,8 @@ EXISetExiCallback: /* 803C0780 003BD6E0 3B 43 00 00 */ addi r26, r3, 0 /* 803C0784 003BD6E4 3B 64 00 00 */ addi r27, r4, 0 /* 803C0788 003BD6E8 54 60 30 32 */ slwi r0, r3, 6 -/* 803C078C 003BD6EC 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0790 003BD6F0 3B E3 9E 98 */ addi r31, r3, lbl_80569E98@l +/* 803C078C 003BD6EC 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0790 003BD6F0 3B E3 9E 98 */ addi r31, r3, Ecb@l /* 803C0794 003BD6F4 7F DF 02 14 */ add r30, r31, r0 /* 803C0798 003BD6F8 4B FC 0E C9 */ bl OSDisableInterrupts /* 803C079C 003BD6FC 7C 7C 1B 78 */ mr r28, r3 @@ -621,8 +621,8 @@ __EXIProbe: /* 803C07F8 003BD758 BF 61 00 14 */ stmw r27, 0x14(r1) /* 803C07FC 003BD75C 3B 83 00 00 */ addi r28, r3, 0 /* 803C0800 003BD760 54 64 30 32 */ slwi r4, r3, 6 -/* 803C0804 003BD764 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0808 003BD768 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C0804 003BD764 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0808 003BD768 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C080C 003BD76C 7F E0 22 14 */ add r31, r0, r4 /* 803C0810 003BD770 2C 1C 00 02 */ cmpwi r28, 2 /* 803C0814 003BD774 40 82 00 0C */ bne lbl_803C0820 @@ -726,8 +726,8 @@ EXIProbe: /* 803C0970 003BD8D0 93 C1 00 10 */ stw r30, 0x10(r1) /* 803C0974 003BD8D4 3B C3 00 00 */ addi r30, r3, 0 /* 803C0978 003BD8D8 54 64 30 32 */ slwi r4, r3, 6 -/* 803C097C 003BD8DC 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0980 003BD8E0 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C097C 003BD8DC 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0980 003BD8E0 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0984 003BD8E4 7F E0 22 14 */ add r31, r0, r4 /* 803C0988 003BD8E8 38 7E 00 00 */ addi r3, r30, 0 /* 803C098C 003BD8EC 4B FF FE 61 */ bl __EXIProbe @@ -763,8 +763,8 @@ EXIProbeEx: /* 803C09F0 003BD950 93 C1 00 10 */ stw r30, 0x10(r1) /* 803C09F4 003BD954 3B C3 00 00 */ addi r30, r3, 0 /* 803C09F8 003BD958 54 64 30 32 */ slwi r4, r3, 6 -/* 803C09FC 003BD95C 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0A00 003BD960 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C09FC 003BD95C 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0A00 003BD960 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0A04 003BD964 7F E0 22 14 */ add r31, r0, r4 /* 803C0A08 003BD968 38 7E 00 00 */ addi r3, r30, 0 /* 803C0A0C 003BD96C 4B FF FD E1 */ bl __EXIProbe @@ -816,8 +816,8 @@ EXIAttach: /* 803C0AA4 003BDA04 3B 63 00 00 */ addi r27, r3, 0 /* 803C0AA8 003BDA08 3B 84 00 00 */ addi r28, r4, 0 /* 803C0AAC 003BDA0C 54 64 30 32 */ slwi r4, r3, 6 -/* 803C0AB0 003BDA10 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0AB4 003BDA14 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C0AB0 003BDA10 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0AB4 003BDA14 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0AB8 003BDA18 7F C0 22 14 */ add r30, r0, r4 /* 803C0ABC 003BDA1C 38 7B 00 00 */ addi r3, r27, 0 /* 803C0AC0 003BDA20 4B FF FD 2D */ bl __EXIProbe @@ -893,8 +893,8 @@ EXIDetach: /* 803C0BB4 003BDB14 93 A1 00 14 */ stw r29, 0x14(r1) /* 803C0BB8 003BDB18 3B A3 00 00 */ addi r29, r3, 0 /* 803C0BBC 003BDB1C 54 64 30 32 */ slwi r4, r3, 6 -/* 803C0BC0 003BDB20 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0BC4 003BDB24 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C0BC0 003BDB20 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0BC4 003BDB24 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0BC8 003BDB28 7F E0 22 14 */ add r31, r0, r4 /* 803C0BCC 003BDB2C 4B FC 0A 95 */ bl OSDisableInterrupts /* 803C0BD0 003BDB30 7C 7E 1B 78 */ mr r30, r3 @@ -946,8 +946,8 @@ EXISelect: /* 803C0C70 003BDBD0 3B 84 00 00 */ addi r28, r4, 0 /* 803C0C74 003BDBD4 3B A5 00 00 */ addi r29, r5, 0 /* 803C0C78 003BDBD8 54 64 30 32 */ slwi r4, r3, 6 -/* 803C0C7C 003BDBDC 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0C80 003BDBE0 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C0C7C 003BDBDC 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0C80 003BDBE0 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0C84 003BDBE4 7F E0 22 14 */ add r31, r0, r4 /* 803C0C88 003BDBE8 4B FC 09 D9 */ bl OSDisableInterrupts /* 803C0C8C 003BDBEC 7C 7E 1B 78 */ mr r30, r3 @@ -1032,8 +1032,8 @@ EXIDeselect: /* 803C0DA0 003BDD00 93 81 00 10 */ stw r28, 0x10(r1) /* 803C0DA4 003BDD04 3B E3 00 00 */ addi r31, r3, 0 /* 803C0DA8 003BDD08 54 64 30 32 */ slwi r4, r3, 6 -/* 803C0DAC 003BDD0C 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0DB0 003BDD10 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C0DAC 003BDD0C 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0DB0 003BDD10 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0DB4 003BDD14 7F C0 22 14 */ add r30, r0, r4 /* 803C0DB8 003BDD18 4B FC 08 A9 */ bl OSDisableInterrupts /* 803C0DBC 003BDD1C 7C 7C 1B 78 */ mr r28, r3 @@ -1124,8 +1124,8 @@ EXIIntrruptHandler: /* 803C0EE8 003BDE48 60 00 00 02 */ ori r0, r0, 2 /* 803C0EEC 003BDE4C 90 03 00 00 */ stw r0, 0(r3) /* 803C0EF0 003BDE50 57 C4 30 32 */ slwi r4, r30, 6 -/* 803C0EF4 003BDE54 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0EF8 003BDE58 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C0EF4 003BDE54 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0EF8 003BDE58 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0EFC 003BDE5C 7C 60 22 14 */ add r3, r0, r4 /* 803C0F00 003BDE60 80 03 00 00 */ lwz r0, 0(r3) /* 803C0F04 003BDE64 7C 1D 03 78 */ mr r29, r0 @@ -1171,8 +1171,8 @@ TCIntrruptHandler: /* 803C0F94 003BDEF4 54 60 0F FE */ srwi r0, r3, 0x1f /* 803C0F98 003BDEF8 7F C3 02 14 */ add r30, r3, r0 /* 803C0F9C 003BDEFC 57 C4 30 32 */ slwi r4, r30, 6 -/* 803C0FA0 003BDF00 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C0FA4 003BDF04 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C0FA0 003BDF00 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C0FA4 003BDF04 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C0FA8 003BDF08 7F E0 22 14 */ add r31, r0, r4 /* 803C0FAC 003BDF0C 3C 00 80 00 */ lis r0, 0x8000 /* 803C0FB0 003BDF10 7C 03 2C 30 */ srw r3, r0, r5 @@ -1318,8 +1318,8 @@ EXTIntrruptHandler: /* 803C11BC 003BE11C 7C 63 04 30 */ srw r3, r3, r0 /* 803C11C0 003BE120 4B FC 08 69 */ bl __OSMaskInterrupts /* 803C11C4 003BE124 57 C4 30 32 */ slwi r4, r30, 6 -/* 803C11C8 003BE128 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C11CC 003BE12C 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C11C8 003BE128 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C11CC 003BE12C 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C11D0 003BE130 7F A0 22 14 */ add r29, r0, r4 /* 803C11D4 003BE134 83 9D 00 08 */ lwz r28, 8(r29) /* 803C11D8 003BE138 80 1D 00 0C */ lwz r0, 0xc(r29) @@ -1409,8 +1409,8 @@ EXIInit: /* 803C1318 003BE278 3C 80 80 00 */ lis r4, 0x800030C4@ha /* 803C131C 003BE27C 93 E4 30 C4 */ stw r31, 0x800030C4@l(r4) /* 803C1320 003BE280 93 E4 30 C0 */ stw r31, 0x30c0(r4) -/* 803C1324 003BE284 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C1328 003BE288 38 63 9E 98 */ addi r3, r3, lbl_80569E98@l +/* 803C1324 003BE284 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C1328 003BE288 38 63 9E 98 */ addi r3, r3, Ecb@l /* 803C132C 003BE28C 93 E3 00 60 */ stw r31, 0x60(r3) /* 803C1330 003BE290 93 E3 00 20 */ stw r31, 0x20(r3) /* 803C1334 003BE294 38 60 00 00 */ li r3, 0 @@ -1437,8 +1437,8 @@ EXILock: /* 803C1378 003BE2D8 3B E4 00 00 */ addi r31, r4, 0 /* 803C137C 003BE2DC 3B 85 00 00 */ addi r28, r5, 0 /* 803C1380 003BE2E0 54 64 30 32 */ slwi r4, r3, 6 -/* 803C1384 003BE2E4 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C1388 003BE2E8 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C1384 003BE2E4 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C1388 003BE2E8 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C138C 003BE2EC 7F C0 22 14 */ add r30, r0, r4 /* 803C1390 003BE2F0 4B FC 02 D1 */ bl OSDisableInterrupts /* 803C1394 003BE2F4 7C 7D 1B 78 */ mr r29, r3 @@ -1508,8 +1508,8 @@ EXIUnlock: /* 803C1470 003BE3D0 93 81 00 10 */ stw r28, 0x10(r1) /* 803C1474 003BE3D4 3B 83 00 00 */ addi r28, r3, 0 /* 803C1478 003BE3D8 54 64 30 32 */ slwi r4, r3, 6 -/* 803C147C 003BE3DC 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C1480 003BE3E0 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C147C 003BE3DC 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C1480 003BE3E0 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C1484 003BE3E4 7F E0 22 14 */ add r31, r0, r4 /* 803C1488 003BE3E8 4B FC 01 D9 */ bl OSDisableInterrupts /* 803C148C 003BE3EC 7C 7E 1B 78 */ mr r30, r3 @@ -1562,8 +1562,8 @@ lbl_803C1514: .global EXIGetState EXIGetState: /* 803C1534 003BE494 54 64 30 32 */ slwi r4, r3, 6 -/* 803C1538 003BE498 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C153C 003BE49C 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C1538 003BE498 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C153C 003BE49C 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C1540 003BE4A0 7C 60 22 14 */ add r3, r0, r4 /* 803C1544 003BE4A4 80 63 00 0C */ lwz r3, 0xc(r3) /* 803C1548 003BE4A8 4E 80 00 20 */ blr @@ -1591,8 +1591,8 @@ EXIGetID: /* 803C1588 003BE4E8 3B 64 00 00 */ addi r27, r4, 0 /* 803C158C 003BE4EC 3B 85 00 00 */ addi r28, r5, 0 /* 803C1590 003BE4F0 54 64 30 32 */ slwi r4, r3, 6 -/* 803C1594 003BE4F4 3C 60 80 57 */ lis r3, lbl_80569E98@ha -/* 803C1598 003BE4F8 38 03 9E 98 */ addi r0, r3, lbl_80569E98@l +/* 803C1594 003BE4F4 3C 60 80 57 */ lis r3, Ecb@ha +/* 803C1598 003BE4F8 38 03 9E 98 */ addi r0, r3, Ecb@l /* 803C159C 003BE4FC 7F E0 22 14 */ add r31, r0, r4 /* 803C15A0 003BE500 2C 1A 00 02 */ cmpwi r26, 2 /* 803C15A4 003BE504 40 80 00 E0 */ bge lbl_803C1684 diff --git a/asm/Dolphin/thp/THPDec.s b/asm/Dolphin/thp/THPDec.s index 9bf6fcc6..4d01a1f1 100644 --- a/asm/Dolphin/thp/THPDec.s +++ b/asm/Dolphin/thp/THPDec.s @@ -1,7 +1,7 @@ .include "macros.inc" .section .bss -.balign 8 +.balign 32 .global lbl_80569F60 lbl_80569F60: .skip 0x118 @@ -8049,4 +8049,3 @@ THPInit: /* 803C90BC 003C601C 38 21 00 10 */ addi r1, r1, 0x10 /* 803C90C0 003C6020 7C 08 03 A6 */ mtlr r0 /* 803C90C4 003C6024 4E 80 00 20 */ blr - diff --git a/configure.py b/configure.py index 55dcab90..b0da209c 100755 --- a/configure.py +++ b/configure.py @@ -1005,8 +1005,8 @@ LIBS = [ "cflags": "$cflags_base", "host": False, "objects": [ - "Dolphin/exi/EXIBios", - "Dolphin/exi/EXIUart", + ["Dolphin/exi/EXIBios", True], + ["Dolphin/exi/EXIUart", True], ], }, { diff --git a/include/dolphin/os.h b/include/dolphin/os.h index 7ca912e7..e72c6693 100644 --- a/include/dolphin/os.h +++ b/include/dolphin/os.h @@ -155,6 +155,7 @@ void OSFatal(GXColor fg, GXColor bg, const char* msg); #include #include #include +#include #include #include #include diff --git a/include/dolphin/os/OSExpansion.h b/include/dolphin/os/OSExpansion.h new file mode 100644 index 00000000..6e848b88 --- /dev/null +++ b/include/dolphin/os/OSExpansion.h @@ -0,0 +1,79 @@ +#ifndef _DOLPHIN_OSEXPANSION +#define _DOLPHIN_OSEXPANSION + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define EXI_MEMORY_CARD_59 0x00000004 +#define EXI_MEMORY_CARD_123 0x00000008 +#define EXI_MEMORY_CARD_251 0x00000010 +#define EXI_MEMORY_CARD_507 0x00000020 + +#define EXI_MEMORY_CARD_1019 0x00000040 +#define EXI_MEMORY_CARD_2043 0x00000080 + +#define EXI_MEMORY_CARD_1019A 0x00000140 +#define EXI_MEMORY_CARD_1019B 0x00000240 +#define EXI_MEMORY_CARD_1019C 0x00000340 +#define EXI_MEMORY_CARD_1019D 0x00000440 +#define EXI_MEMORY_CARD_1019E 0x00000540 +#define EXI_MEMORY_CARD_1019F 0x00000640 +#define EXI_MEMORY_CARD_1019G 0x00000740 + +#define EXI_MEMORY_CARD_2043A 0x00000180 +#define EXI_MEMORY_CARD_2043B 0x00000280 +#define EXI_MEMORY_CARD_2043C 0x00000380 +#define EXI_MEMORY_CARD_2043D 0x00000480 +#define EXI_MEMORY_CARD_2043E 0x00000580 +#define EXI_MEMORY_CARD_2043F 0x00000680 +#define EXI_MEMORY_CARD_2043G 0x00000780 + +#define EXI_USB_ADAPTER 0x01010000 +#define EXI_NPDP_GDEV 0x01020000 + +#define EXI_MODEM 0x02020000 +#define EXI_ETHER 0x04020200 +#define EXI_ETHER_VIEWER 0x04220001 +#define EXI_STREAM_HANGER 0x04130000 + +#define EXI_MARLIN 0x03010000 + +#define EXI_IS_VIEWER 0x05070000 + +#define EXI_FREQ_1M 0 +#define EXI_FREQ_2M 1 +#define EXI_FREQ_4M 2 +#define EXI_FREQ_8M 3 +#define EXI_FREQ_16M 4 +#define EXI_FREQ_32M 5 + +#define EXI_READ 0 +#define EXI_WRITE 1 + +#define EXI_STATE_IDLE 0x00 +#define EXI_STATE_DMA 0x01 +#define EXI_STATE_IMM 0x02 +#define EXI_STATE_BUSY (EXI_STATE_DMA | EXI_STATE_IMM) +#define EXI_STATE_SELECTED 0x04 +#define EXI_STATE_ATTACHED 0x08 +#define EXI_STATE_LOCKED 0x10 + +BOOL EXIProbe(s32 chan); +s32 EXIProbeEx(s32 chan); + +s32 EXIGetType(s32 chan, u32 dev, u32* type); +char* EXIGetTypeString(u32 type); +u32 EXIClearInterrupts(s32 chan, BOOL exi, BOOL tc, BOOL ext); +s32 EXIGetID(s32 chan, u32 dev, u32* id); + +typedef void (*EXICallback)(s32 chan, OSContext* context); + +#ifdef __cplusplus +} +#endif + +#endif // _DOLPHIN_OSEXPANSION diff --git a/src/Dolphin/exi/EXIBios.c b/src/Dolphin/exi/EXIBios.c new file mode 100644 index 00000000..05ab9eca --- /dev/null +++ b/src/Dolphin/exi/EXIBios.c @@ -0,0 +1,690 @@ +#include "dolphin/os.h" + +#pragma scheduling off + +vu32 __EXIRegs[16] : 0xCC006800; + +static const char* __EXIVersion = + "<< Dolphin SDK - EXI\trelease build: Sep 5 2002 05:33:04 (0x2301) >>"; + +#define MAX_DEV 3 +#define MAX_CHAN 3 + +#define REG_MAX 5 +#define REG(chan, idx) (__EXIRegs[((chan)*REG_MAX) + (idx)]) + +#define STATE_IDLE 0x00 +#define STATE_DMA 0x01 +#define STATE_IMM 0x02 +#define STATE_BUSY (STATE_DMA | STATE_IMM) +#define STATE_SELECTED 0x04 +#define STATE_ATTACHED 0x08 +#define STATE_LOCKED 0x10 + +#define EXI_0CR(tstart, dma, rw, tlen) \ + ((((u32)(tstart)) << 0) | (((u32)(dma)) << 1) | (((u32)(rw)) << 2) | (((u32)(tlen)) << 4)) + +#define CPR_CS(x) ((1u << (x)) << 7) +#define CPR_CLK(x) ((x) << 4) + +typedef struct EXIControl { + EXICallback exiCallback; + EXICallback tcCallback; + EXICallback extCallback; + vu32 state; + int immLen; + u8* immBuf; + u32 dev; + u32 id; + s32 idTime; + int items; + struct { + u32 dev; + EXICallback callback; + } queue[MAX_DEV]; +} EXIControl; + +static EXIControl Ecb[MAX_CHAN]; + +s32 __EXIProbeStartTime[2] : (OS_BASE_CACHED | 0x30C0); + +static void SetExiInterruptMask(s32 chan, EXIControl* exi) { + EXIControl* exi2; + + exi2 = &Ecb[2]; + switch (chan) { + case 0: + if ((exi->exiCallback == 0 && exi2->exiCallback == 0) || (exi->state & STATE_LOCKED)) { + __OSMaskInterrupts(OS_INTERRUPTMASK_EXI_0_EXI | OS_INTERRUPTMASK_EXI_2_EXI); + } else { + __OSUnmaskInterrupts(OS_INTERRUPTMASK_EXI_0_EXI | OS_INTERRUPTMASK_EXI_2_EXI); + } + break; + case 1: + if (exi->exiCallback == 0 || (exi->state & STATE_LOCKED)) { + __OSMaskInterrupts(OS_INTERRUPTMASK_EXI_1_EXI); + } else { + __OSUnmaskInterrupts(OS_INTERRUPTMASK_EXI_1_EXI); + } + break; + case 2: + if (__OSGetInterruptHandler(__OS_INTERRUPT_PI_DEBUG) == 0 || (exi->state & STATE_LOCKED)) { + __OSMaskInterrupts(OS_INTERRUPTMASK_PI_DEBUG); + } else { + __OSUnmaskInterrupts(OS_INTERRUPTMASK_PI_DEBUG); + } + break; + } +} + +static void CompleteTransfer(s32 chan) { + EXIControl* exi = &Ecb[chan]; + u8* buf; + u32 data; + int i; + int len; + + if (exi->state & STATE_BUSY) { + if ((exi->state & STATE_IMM) && (len = exi->immLen)) { + buf = exi->immBuf; + data = REG(chan, 4); + for (i = 0; i < len; i++) { + *buf++ = (u8)((data >> ((3 - i) * 8)) & 0xff); + } + } + exi->state &= ~STATE_BUSY; + } +} + +BOOL EXIImm(s32 chan, void* buf, s32 len, u32 type, EXICallback callback) { + EXIControl* exi = &Ecb[chan]; + BOOL enabled; + + enabled = OSDisableInterrupts(); + if ((exi->state & STATE_BUSY) || !(exi->state & STATE_SELECTED)) { + OSRestoreInterrupts(enabled); + return FALSE; + } + + exi->tcCallback = callback; + if (exi->tcCallback) { + EXIClearInterrupts(chan, FALSE, TRUE, FALSE); + __OSUnmaskInterrupts(OS_INTERRUPTMASK_EXI_0_TC >> (3 * chan)); + } + + exi->state |= STATE_IMM; + + if (type != EXI_READ) { + u32 data; + int i; + + data = 0; + for (i = 0; i < len; i++) { + data |= ((u8*)buf)[i] << ((3 - i) * 8); + } + REG(chan, 4) = data; + } + + exi->immBuf = buf; + exi->immLen = (type != EXI_WRITE) ? len : 0; + + REG(chan, 3) = EXI_0CR(1, 0, type, len - 1); + + OSRestoreInterrupts(enabled); + + return TRUE; +} + +BOOL EXIImmEx(s32 chan, void* buf, s32 len, u32 mode) { + s32 xLen; + + while (len) { + xLen = (len < 4) ? len : 4; + if (!EXIImm(chan, buf, xLen, mode, NULL)) { + return FALSE; + } + + if (!EXISync(chan)) { + return FALSE; + } + + (u8*)buf += xLen; + len -= xLen; + } + return TRUE; +} + +BOOL EXIDma(s32 chan, void* buf, s32 len, u32 type, EXICallback callback) { + EXIControl* exi = &Ecb[chan]; + BOOL enabled; + + enabled = OSDisableInterrupts(); + if ((exi->state & STATE_BUSY) || !(exi->state & STATE_SELECTED)) { + OSRestoreInterrupts(enabled); + return FALSE; + } + + exi->tcCallback = callback; + if (exi->tcCallback) { + EXIClearInterrupts(chan, FALSE, TRUE, FALSE); + __OSUnmaskInterrupts(OS_INTERRUPTMASK_EXI_0_TC >> (3 * chan)); + } + + exi->state |= STATE_DMA; + + REG(chan, 1) = (u32)buf & 0x3ffffe0; + REG(chan, 2) = (u32)len; + REG(chan, 3) = EXI_0CR(1, 1, type, 0); + + OSRestoreInterrupts(enabled); + + return TRUE; +} + +extern u32 __OSGetDIConfig(void); + +vu16 __OSDeviceCode : (OS_BASE_CACHED | 0x30E6); + +BOOL EXISync(s32 chan) { + EXIControl* exi = &Ecb[chan]; + BOOL rc = FALSE; + BOOL enabled; + + while (exi->state & STATE_SELECTED) { + if (((REG(chan, 3) & 1) >> 0) == 0) { + enabled = OSDisableInterrupts(); + if (exi->state & STATE_SELECTED) { + CompleteTransfer(chan); + if (__OSGetDIConfig() != 0xff || exi->immLen != 4 || + (REG(chan, 0) & 0x00000070) != (EXI_FREQ_1M << 4) || + (REG(chan, 4) != EXI_USB_ADAPTER && REG(chan, 4) != EXI_IS_VIEWER && + REG(chan, 4) != 0x04220001) || + __OSDeviceCode == 0x8200) { + rc = TRUE; + } + } + OSRestoreInterrupts(enabled); + break; + } + } + return rc; +} + +u32 EXIClearInterrupts(s32 chan, BOOL exi, BOOL tc, BOOL ext) { + u32 cpr; + u32 prev; + + prev = cpr = REG(chan, 0); + cpr &= 0x7f5; + if (exi) + cpr |= 2; + if (tc) + cpr |= 8; + if (ext) + cpr |= 0x800; + REG(chan, 0) = cpr; + return prev; +} + +EXICallback EXISetExiCallback(s32 chan, EXICallback exiCallback) { + EXIControl* exi = &Ecb[chan]; + EXICallback prev; + BOOL enabled; + + enabled = OSDisableInterrupts(); + prev = exi->exiCallback; + exi->exiCallback = exiCallback; + + if (chan != 2) { + SetExiInterruptMask(chan, exi); + } else { + SetExiInterruptMask(0, &Ecb[0]); + } + + OSRestoreInterrupts(enabled); + return prev; +} + +void EXIProbeReset(void) { + __EXIProbeStartTime[0] = __EXIProbeStartTime[1] = 0; + Ecb[0].idTime = Ecb[1].idTime = 0; + __EXIProbe(0); + __EXIProbe(1); +} + +static BOOL __EXIProbe(s32 chan) { + EXIControl* exi = &Ecb[chan]; + BOOL enabled; + BOOL rc; + u32 cpr; + s32 t; + + if (chan == 2) { + return TRUE; + } + + rc = TRUE; + enabled = OSDisableInterrupts(); + cpr = REG(chan, 0); + if (!(exi->state & EXI_STATE_ATTACHED)) { + if (cpr & 0x00000800) { + EXIClearInterrupts(chan, FALSE, FALSE, TRUE); + __EXIProbeStartTime[chan] = exi->idTime = 0; + } + + if (cpr & 0x00001000) { + t = (s32)(OSTicksToMilliseconds(OSGetTime()) / 100) + 1; + if (__EXIProbeStartTime[chan] == 0) { + __EXIProbeStartTime[chan] = t; + } + if (t - __EXIProbeStartTime[chan] < 300 / 100) { + rc = FALSE; + } + } else { + __EXIProbeStartTime[chan] = exi->idTime = 0; + rc = FALSE; + } + } else if (!(cpr & 0x00001000) || (cpr & 0x00000800)) { + __EXIProbeStartTime[chan] = exi->idTime = 0; + rc = FALSE; + } + OSRestoreInterrupts(enabled); + + return rc; +} + +BOOL EXIProbe(s32 chan) { + EXIControl* exi = &Ecb[chan]; + BOOL rc; + u32 id; + + rc = __EXIProbe(chan); + if (rc && exi->idTime == 0) { + rc = EXIGetID(chan, 0, &id) ? TRUE : FALSE; + } + return rc; +} + +s32 EXIProbeEx(s32 chan) { + if (EXIProbe(chan)) { + return 1; + } else if (__EXIProbeStartTime[chan] != 0) { + return 0; + } else { + return -1; + } +} + +static BOOL __EXIAttach(s32 chan, EXICallback extCallback) { + EXIControl* exi = &Ecb[chan]; + BOOL enabled; + + enabled = OSDisableInterrupts(); + if ((exi->state & EXI_STATE_ATTACHED) || __EXIProbe(chan) == FALSE) { + OSRestoreInterrupts(enabled); + return FALSE; + } + + EXIClearInterrupts(chan, TRUE, FALSE, FALSE); + + exi->extCallback = extCallback; + __OSUnmaskInterrupts(OS_INTERRUPTMASK_EXI_0_EXT >> (3 * chan)); + exi->state |= STATE_ATTACHED; + OSRestoreInterrupts(enabled); + + return TRUE; +} + +BOOL EXIAttach(s32 chan, EXICallback extCallback) { + EXIControl* exi = &Ecb[chan]; + BOOL enabled; + BOOL rc; + + EXIProbe(chan); + + enabled = OSDisableInterrupts(); + if (exi->idTime == 0) { + OSRestoreInterrupts(enabled); + return FALSE; + } + rc = __EXIAttach(chan, extCallback); + OSRestoreInterrupts(enabled); + return rc; +} + +BOOL EXIDetach(s32 chan) { + EXIControl* exi = &Ecb[chan]; + BOOL enabled; + + enabled = OSDisableInterrupts(); + if (!(exi->state & STATE_ATTACHED)) { + OSRestoreInterrupts(enabled); + return TRUE; + } + if ((exi->state & STATE_LOCKED) && exi->dev == 0) { + OSRestoreInterrupts(enabled); + return FALSE; + } + + exi->state &= ~STATE_ATTACHED; + __OSMaskInterrupts((OS_INTERRUPTMASK_EXI_0_EXT | OS_INTERRUPTMASK_EXI_0_EXI) >> (3 * chan)); + OSRestoreInterrupts(enabled); + return TRUE; +} + +BOOL EXISelect(s32 chan, u32 dev, u32 freq) { + EXIControl* exi = &Ecb[chan]; + u32 cpr; + BOOL enabled; + + enabled = OSDisableInterrupts(); + if ((exi->state & STATE_SELECTED) || + chan != 2 && (dev == 0 && !(exi->state & STATE_ATTACHED) && !__EXIProbe(chan) || + !(exi->state & STATE_LOCKED) || (exi->dev != dev))) { + OSRestoreInterrupts(enabled); + return FALSE; + } + + exi->state |= STATE_SELECTED; + cpr = REG(chan, 0); + cpr &= 0x405; + cpr |= CPR_CS(dev) | CPR_CLK(freq); + REG(chan, 0) = cpr; + + if (exi->state & STATE_ATTACHED) { + switch (chan) { + case 0: + __OSMaskInterrupts(OS_INTERRUPTMASK_EXI_0_EXT); + break; + case 1: + __OSMaskInterrupts(OS_INTERRUPTMASK_EXI_1_EXT); + break; + } + } + + OSRestoreInterrupts(enabled); + return TRUE; +} + +BOOL EXIDeselect(s32 chan) { + EXIControl* exi = &Ecb[chan]; + u32 cpr; + BOOL enabled; + + enabled = OSDisableInterrupts(); + if (!(exi->state & STATE_SELECTED)) { + OSRestoreInterrupts(enabled); + return FALSE; + } + exi->state &= ~STATE_SELECTED; + cpr = REG(chan, 0); + REG(chan, 0) = cpr & 0x405; + + if (exi->state & STATE_ATTACHED) { + switch (chan) { + case 0: + __OSUnmaskInterrupts(OS_INTERRUPTMASK_EXI_0_EXT); + break; + case 1: + __OSUnmaskInterrupts(OS_INTERRUPTMASK_EXI_1_EXT); + break; + } + } + + OSRestoreInterrupts(enabled); + + if (chan != 2 && (cpr & CPR_CS(0))) { + return __EXIProbe(chan) ? TRUE : FALSE; + } + + return TRUE; +} + +static void EXIIntrruptHandler(__OSInterrupt interrupt, OSContext* context) { + s32 chan; + EXIControl* exi; + EXICallback callback; + + chan = (interrupt - __OS_INTERRUPT_EXI_0_EXI) / 3; + exi = &Ecb[chan]; + EXIClearInterrupts(chan, TRUE, FALSE, FALSE); + callback = exi->exiCallback; + if (callback) { + OSContext exceptionContext; + + OSClearContext(&exceptionContext); + OSSetCurrentContext(&exceptionContext); + + callback(chan, context); + + OSClearContext(&exceptionContext); + OSSetCurrentContext(context); + } +} + +static void TCIntrruptHandler(__OSInterrupt interrupt, OSContext* context) { + OSContext exceptionContext; + s32 chan; + EXIControl* exi; + EXICallback callback; + + chan = (interrupt - __OS_INTERRUPT_EXI_0_TC) / 3; + exi = &Ecb[chan]; + __OSMaskInterrupts(OS_INTERRUPTMASK(interrupt)); + EXIClearInterrupts(chan, FALSE, TRUE, FALSE); + callback = exi->tcCallback; + if (callback) { + exi->tcCallback = 0; + CompleteTransfer(chan); + + OSClearContext(&exceptionContext); + OSSetCurrentContext(&exceptionContext); + + callback(chan, context); + + OSClearContext(&exceptionContext); + OSSetCurrentContext(context); + } +} + +static void EXTIntrruptHandler(__OSInterrupt interrupt, OSContext* context) { + s32 chan; + EXIControl* exi; + EXICallback callback; + + chan = (interrupt - __OS_INTERRUPT_EXI_0_EXT) / 3; + __OSMaskInterrupts((OS_INTERRUPTMASK_EXI_0_EXT | OS_INTERRUPTMASK_EXI_0_EXI) >> (3 * chan)); + exi = &Ecb[chan]; + callback = exi->extCallback; + exi->state &= ~STATE_ATTACHED; + if (callback) { + OSContext exceptionContext; + + OSClearContext(&exceptionContext); + OSSetCurrentContext(&exceptionContext); + + exi->extCallback = 0; + callback(chan, context); + + OSClearContext(&exceptionContext); + OSSetCurrentContext(context); + } +} + +void EXIInit(void) { + OSRegisterVersion(__EXIVersion); + + __OSMaskInterrupts(OS_INTERRUPTMASK_EXI_0_EXI | OS_INTERRUPTMASK_EXI_0_TC | + OS_INTERRUPTMASK_EXI_0_EXT | OS_INTERRUPTMASK_EXI_1_EXI | + OS_INTERRUPTMASK_EXI_1_TC | OS_INTERRUPTMASK_EXI_1_EXT | + OS_INTERRUPTMASK_EXI_2_EXI | OS_INTERRUPTMASK_EXI_2_TC); + + REG(0, 0) = 0; + REG(1, 0) = 0; + REG(2, 0) = 0; + + REG(0, 0) = 0x00002000; + + __OSSetInterruptHandler(__OS_INTERRUPT_EXI_0_EXI, EXIIntrruptHandler); + __OSSetInterruptHandler(__OS_INTERRUPT_EXI_0_TC, TCIntrruptHandler); + __OSSetInterruptHandler(__OS_INTERRUPT_EXI_0_EXT, EXTIntrruptHandler); + __OSSetInterruptHandler(__OS_INTERRUPT_EXI_1_EXI, EXIIntrruptHandler); + __OSSetInterruptHandler(__OS_INTERRUPT_EXI_1_TC, TCIntrruptHandler); + __OSSetInterruptHandler(__OS_INTERRUPT_EXI_1_EXT, EXTIntrruptHandler); + __OSSetInterruptHandler(__OS_INTERRUPT_EXI_2_EXI, EXIIntrruptHandler); + __OSSetInterruptHandler(__OS_INTERRUPT_EXI_2_TC, TCIntrruptHandler); + + if ((OSGetConsoleType() & 0x10000000) != 0) { + __EXIProbeStartTime[0] = __EXIProbeStartTime[1] = 0; + Ecb[0].idTime = Ecb[1].idTime = 0; + __EXIProbe(0); + __EXIProbe(1); + } +} + +BOOL EXILock(s32 chan, u32 dev, EXICallback unlockedCallback) { + EXIControl* exi = &Ecb[chan]; + BOOL enabled; + int i; + + enabled = OSDisableInterrupts(); + if (exi->state & STATE_LOCKED) { + if (unlockedCallback) { + for (i = 0; i < exi->items; i++) { + if (exi->queue[i].dev == dev) { + OSRestoreInterrupts(enabled); + return FALSE; + } + } + exi->queue[exi->items].callback = unlockedCallback; + exi->queue[exi->items].dev = dev; + exi->items++; + } + OSRestoreInterrupts(enabled); + return FALSE; + } + + exi->state |= STATE_LOCKED; + exi->dev = dev; + SetExiInterruptMask(chan, exi); + + OSRestoreInterrupts(enabled); + return TRUE; +} + +BOOL EXIUnlock(s32 chan) { + EXIControl* exi = &Ecb[chan]; + BOOL enabled; + EXICallback unlockedCallback; + + enabled = OSDisableInterrupts(); + if (!(exi->state & STATE_LOCKED)) { + OSRestoreInterrupts(enabled); + return FALSE; + } + exi->state &= ~STATE_LOCKED; + SetExiInterruptMask(chan, exi); + + if (0 < exi->items) { + unlockedCallback = exi->queue[0].callback; + if (0 < --exi->items) { + memmove(&exi->queue[0], &exi->queue[1], sizeof(exi->queue[0]) * exi->items); + } + unlockedCallback(chan, 0); + } + + OSRestoreInterrupts(enabled); + return TRUE; +} + +u32 EXIGetState(s32 chan) { + EXIControl* exi = &Ecb[chan]; + + return (u32)exi->state; +} + +static void UnlockedHandler(s32 chan, OSContext* context) { + u32 id; + + EXIGetID(chan, 0, &id); +} + +s32 EXIGetID(s32 chan, u32 dev, u32* id) { + EXIControl* exi = &Ecb[chan]; + BOOL err; + u32 cmd; + s32 startTime; + BOOL enabled; + + if (chan < 2 && dev == 0) { + if (!__EXIProbe(chan)) { + return 0; + } + + if (exi->idTime == __EXIProbeStartTime[chan]) { + *id = exi->id; + return exi->idTime; + } + + if (!__EXIAttach(chan, NULL)) { + return 0; + } + + startTime = __EXIProbeStartTime[chan]; + } + + err = !EXILock(chan, dev, (chan < 2 && dev == 0) ? UnlockedHandler : NULL); + if (!err) { + err = !EXISelect(chan, dev, EXI_FREQ_1M); + if (!err) { + cmd = 0; + err |= !EXIImm(chan, &cmd, 2, EXI_WRITE, NULL); + err |= !EXISync(chan); + err |= !EXIImm(chan, id, 4, EXI_READ, NULL); + err |= !EXISync(chan); + err |= !EXIDeselect(chan); + } + EXIUnlock(chan); + } + + if (chan < 2 && dev == 0) { + EXIDetach(chan); + enabled = OSDisableInterrupts(); + err |= (startTime != __EXIProbeStartTime[chan]); + if (!err) { + exi->id = *id; + exi->idTime = startTime; + } + OSRestoreInterrupts(enabled); + + return err ? 0 : exi->idTime; + } + + return err ? 0 : !0; +} + +char* EXIGetTypeString(u32 type) { + switch (type) { + case EXI_MEMORY_CARD_59: + return "Memory Card 59"; + case EXI_MEMORY_CARD_123: + return "Memory Card 123"; + case EXI_MEMORY_CARD_251: + return "Memory Card 251"; + case EXI_MEMORY_CARD_507: + return "Memory Card 507"; + case EXI_USB_ADAPTER: + return "USB Adapter"; + case 0x80000000 | EXI_MEMORY_CARD_59: + case 0x80000000 | EXI_MEMORY_CARD_123: + case 0x80000000 | EXI_MEMORY_CARD_251: + case 0x80000000 | EXI_MEMORY_CARD_507: + return "Net Card"; + case EXI_ETHER_VIEWER: + return "Artist Ether"; + case EXI_STREAM_HANGER: + return "Stream Hanger"; + case EXI_IS_VIEWER: + return "IS Viewer"; + } +} diff --git a/src/Dolphin/exi/EXIUart.c b/src/Dolphin/exi/EXIUart.c new file mode 100644 index 00000000..aafc628a --- /dev/null +++ b/src/Dolphin/exi/EXIUart.c @@ -0,0 +1,174 @@ +#include "dolphin/os.h" + +#define EXI_TX 0x800400u +#define EXI_MAGIC 0xa5ff005a + +static s32 Chan; +static u32 Dev; +static u32 Enabled = 0; +static u32 BarnacleEnabled = 0; + +static BOOL ProbeBarnacle(s32 chan, u32 dev, u32* revision) { + BOOL err; + u32 cmd; + + if (chan != 2 && dev == 0 && !EXIAttach(chan, NULL)) { + return FALSE; + } + + err = !EXILock(chan, dev, NULL); + if (!err) { + err = !EXISelect(chan, dev, EXI_FREQ_1M); + if (!err) { + cmd = 0x20011300; + err = FALSE; + err |= !EXIImm(chan, &cmd, 4, EXI_WRITE, NULL); + err |= !EXISync(chan); + err |= !EXIImm(chan, revision, 4, EXI_READ, NULL); + err |= !EXISync(chan); + err |= !EXIDeselect(chan); + } + EXIUnlock(chan); + } + + if (chan != 2 && dev == 0) { + EXIDetach(chan); + } + + if (err) { + return FALSE; + } + + return (*revision != 0xFFFFFFFF) ? TRUE : FALSE; +} + +void __OSEnableBarnacle(s32 chan, u32 dev) { + u32 id; + + if (EXIGetID(chan, dev, &id)) { + switch (id) { + case 0xffffffff: + case EXI_MEMORY_CARD_59: + case EXI_MEMORY_CARD_123: + case EXI_MEMORY_CARD_251: + case EXI_MEMORY_CARD_507: + case EXI_USB_ADAPTER: + case EXI_NPDP_GDEV: + case EXI_MODEM: + case EXI_MARLIN: + case 0x04220000: + case 0x04020100: + case 0x04020200: + case 0x04020300: + case 0x04040404: + case 0x04060000: + case 0x04120000: + case 0x04130000: + case 0x80000000 | EXI_MEMORY_CARD_59: + case 0x80000000 | EXI_MEMORY_CARD_123: + case 0x80000000 | EXI_MEMORY_CARD_251: + case 0x80000000 | EXI_MEMORY_CARD_507: + break; + default: + if (ProbeBarnacle(chan, dev, &id)) { + Chan = chan; + Dev = dev; + Enabled = BarnacleEnabled = EXI_MAGIC; + } + break; + } + } +} + +u32 InitializeUART(u32 baudRate) { + if (BarnacleEnabled == EXI_MAGIC) { + return 0; + } + + if (!(OSGetConsoleType() & OS_CONSOLE_DEVELOPMENT)) { + Enabled = 0; + return 2; + } else { + Chan = 0; + Dev = 1; + Enabled = EXI_MAGIC; + return 0; + } +} + +u32 ReadUARTN(void* bytes, unsigned long length) { return 4; } + +static int QueueLength(void) { + u32 cmd; + + if (!EXISelect(Chan, Dev, EXI_FREQ_8M)) + return -1; + + cmd = EXI_TX << 6; + EXIImm(Chan, &cmd, 4, EXI_WRITE, NULL); + EXISync(Chan); + + EXIImm(Chan, &cmd, 1, EXI_READ, NULL); + EXISync(Chan); + EXIDeselect(Chan); + + return 16 - (int)((cmd >> 24) & 0xff); +} + +u32 WriteUARTN(const void* buf, unsigned long len) { + u32 cmd; + int qLen; + long xLen; + char* ptr; + BOOL locked; + u32 error; + + if (Enabled != EXI_MAGIC) + return 2; + + locked = EXILock(Chan, Dev, 0); + if (!locked) { + return 0; + } + + for (ptr = (char*)buf; ptr - buf < len; ptr++) { + if (*ptr == '\n') + *ptr = '\r'; + } + + error = 0; + cmd = (EXI_TX | 0x2000000) << 6; + while (len) { + qLen = QueueLength(); + if (qLen < 0) { + error = 3; + break; + } + + if (qLen < 12 && qLen < len) + continue; + + if (!EXISelect(Chan, Dev, EXI_FREQ_8M)) { + error = 3; + break; + } + + EXIImm(Chan, &cmd, 4, EXI_WRITE, NULL); + EXISync(Chan); + + while (qLen && len) { + if (qLen < 4 && qLen < len) + break; + xLen = (len < 4) ? (long)len : 4; + EXIImm(Chan, (void*)buf, xLen, EXI_WRITE, NULL); + (u8*)buf += xLen; + len -= xLen; + qLen -= xLen; + EXISync(Chan); + } + EXIDeselect(Chan); + } + + EXIUnlock(Chan); + return error; +}