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prime
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Add ar.c 

Former-commit-id: 85c6d662d0
This commit is contained in:
Phillip Stephens 2022-12-20 18:09:34 -08:00
parent b99570ecc3
commit 212525747d
6 changed files with 239 additions and 55 deletions
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3
.vscode/settings.json vendored
View File

@ -48,7 +48,8 @@
"osinterrupt.h": "c",
"osmodule.h": "c",
"dsp_regs.h": "c",
"dsp.h": "c"
"dsp.h": "c",
"ar.h": "c"
},
"files.autoSave": "onFocusChange",
"files.insertFinalNewline": true,

102
asm/Dolphin/ar/ar.s
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@ -16,29 +16,29 @@ lbl_805A8A70:
.section .sbss
.balign 8
.global lbl_805A96F8
lbl_805A96F8:
.global __AR_Callback
__AR_Callback:
.skip 0x4
.global lbl_805A96FC
lbl_805A96FC:
.global __AR_Size
__AR_Size:
.skip 0x4
.global lbl_805A9700
lbl_805A9700:
.global __AR_InternalSize
__AR_InternalSize:
.skip 0x4
.global lbl_805A9704
lbl_805A9704:
.global __AR_ExpansionSize
__AR_ExpansionSize:
.skip 0x4
.global lbl_805A9708
lbl_805A9708:
.global __AR_StackPointer
__AR_StackPointer:
.skip 0x4
.global lbl_805A970C
lbl_805A970C:
.global __AR_FreeBlocks
__AR_FreeBlocks:
.skip 0x4
.global lbl_805A9710
lbl_805A9710:
.global __AR_BlockLength
__AR_BlockLength:
.skip 0x4
.global lbl_805A9714
lbl_805A9714:
.global __AR_init_flag
__AR_init_flag:
.skip 0x4
.section .text, "ax"
@ -51,9 +51,9 @@ ARRegisterDMACallback:
/* 8036D8B0 0036A810 93 E1 00 14 */ stw r31, 0x14(r1)
/* 8036D8B4 0036A814 93 C1 00 10 */ stw r30, 0x10(r1)
/* 8036D8B8 0036A818 7C 7E 1B 78 */ mr r30, r3
/* 8036D8BC 0036A81C 83 ED AB 38 */ lwz r31, lbl_805A96F8@sda21(r13)
/* 8036D8BC 0036A81C 83 ED AB 38 */ lwz r31, __AR_Callback@sda21(r13)
/* 8036D8C0 0036A820 48 01 3D A1 */ bl OSDisableInterrupts
/* 8036D8C4 0036A824 93 CD AB 38 */ stw r30, lbl_805A96F8@sda21(r13)
/* 8036D8C4 0036A824 93 CD AB 38 */ stw r30, __AR_Callback@sda21(r13)
/* 8036D8C8 0036A828 48 01 3D C1 */ bl OSRestoreInterrupts
/* 8036D8CC 0036A82C 7F E3 FB 78 */ mr r3, r31
/* 8036D8D0 0036A830 80 01 00 1C */ lwz r0, 0x1c(r1)
@ -153,17 +153,17 @@ ARAlloc:
/* 8036DA24 0036A984 93 C1 00 10 */ stw r30, 0x10(r1)
/* 8036DA28 0036A988 7C 7E 1B 78 */ mr r30, r3
/* 8036DA2C 0036A98C 48 01 3C 35 */ bl OSDisableInterrupts
/* 8036DA30 0036A990 83 ED AB 48 */ lwz r31, lbl_805A9708@sda21(r13)
/* 8036DA34 0036A994 80 8D AB 50 */ lwz r4, lbl_805A9710@sda21(r13)
/* 8036DA30 0036A990 83 ED AB 48 */ lwz r31, __AR_StackPointer@sda21(r13)
/* 8036DA34 0036A994 80 8D AB 50 */ lwz r4, __AR_BlockLength@sda21(r13)
/* 8036DA38 0036A998 7C 1F F2 14 */ add r0, r31, r30
/* 8036DA3C 0036A99C 90 0D AB 48 */ stw r0, lbl_805A9708@sda21(r13)
/* 8036DA3C 0036A99C 90 0D AB 48 */ stw r0, __AR_StackPointer@sda21(r13)
/* 8036DA40 0036A9A0 93 C4 00 00 */ stw r30, 0(r4)
/* 8036DA44 0036A9A4 80 AD AB 50 */ lwz r5, lbl_805A9710@sda21(r13)
/* 8036DA48 0036A9A8 80 8D AB 4C */ lwz r4, lbl_805A970C@sda21(r13)
/* 8036DA44 0036A9A4 80 AD AB 50 */ lwz r5, __AR_BlockLength@sda21(r13)
/* 8036DA48 0036A9A8 80 8D AB 4C */ lwz r4, __AR_FreeBlocks@sda21(r13)
/* 8036DA4C 0036A9AC 38 A5 00 04 */ addi r5, r5, 4
/* 8036DA50 0036A9B0 38 04 FF FF */ addi r0, r4, -1
/* 8036DA54 0036A9B4 90 AD AB 50 */ stw r5, lbl_805A9710@sda21(r13)
/* 8036DA58 0036A9B8 90 0D AB 4C */ stw r0, lbl_805A970C@sda21(r13)
/* 8036DA54 0036A9B4 90 AD AB 50 */ stw r5, __AR_BlockLength@sda21(r13)
/* 8036DA58 0036A9B8 90 0D AB 4C */ stw r0, __AR_FreeBlocks@sda21(r13)
/* 8036DA5C 0036A9BC 48 01 3C 2D */ bl OSRestoreInterrupts
/* 8036DA60 0036A9C0 7F E3 FB 78 */ mr r3, r31
/* 8036DA64 0036A9C4 80 01 00 1C */ lwz r0, 0x1c(r1)
@ -181,25 +181,25 @@ ARFree:
/* 8036DA88 0036A9E8 93 E1 00 14 */ stw r31, 0x14(r1)
/* 8036DA8C 0036A9EC 7C 7F 1B 78 */ mr r31, r3
/* 8036DA90 0036A9F0 48 01 3B D1 */ bl OSDisableInterrupts
/* 8036DA94 0036A9F4 80 8D AB 50 */ lwz r4, lbl_805A9710@sda21(r13)
/* 8036DA94 0036A9F4 80 8D AB 50 */ lwz r4, __AR_BlockLength@sda21(r13)
/* 8036DA98 0036A9F8 28 1F 00 00 */ cmplwi r31, 0
/* 8036DA9C 0036A9FC 38 04 FF FC */ addi r0, r4, -4
/* 8036DAA0 0036AA00 90 0D AB 50 */ stw r0, lbl_805A9710@sda21(r13)
/* 8036DAA0 0036AA00 90 0D AB 50 */ stw r0, __AR_BlockLength@sda21(r13)
/* 8036DAA4 0036AA04 41 82 00 10 */ beq lbl_8036DAB4
/* 8036DAA8 0036AA08 80 8D AB 50 */ lwz r4, lbl_805A9710@sda21(r13)
/* 8036DAA8 0036AA08 80 8D AB 50 */ lwz r4, __AR_BlockLength@sda21(r13)
/* 8036DAAC 0036AA0C 80 04 00 00 */ lwz r0, 0(r4)
/* 8036DAB0 0036AA10 90 1F 00 00 */ stw r0, 0(r31)
lbl_8036DAB4:
/* 8036DAB4 0036AA14 80 AD AB 50 */ lwz r5, lbl_805A9710@sda21(r13)
/* 8036DAB8 0036AA18 80 8D AB 4C */ lwz r4, lbl_805A970C@sda21(r13)
/* 8036DAB4 0036AA14 80 AD AB 50 */ lwz r5, __AR_BlockLength@sda21(r13)
/* 8036DAB8 0036AA18 80 8D AB 4C */ lwz r4, __AR_FreeBlocks@sda21(r13)
/* 8036DABC 0036AA1C 80 C5 00 00 */ lwz r6, 0(r5)
/* 8036DAC0 0036AA20 38 04 00 01 */ addi r0, r4, 1
/* 8036DAC4 0036AA24 80 AD AB 48 */ lwz r5, lbl_805A9708@sda21(r13)
/* 8036DAC8 0036AA28 90 0D AB 4C */ stw r0, lbl_805A970C@sda21(r13)
/* 8036DAC4 0036AA24 80 AD AB 48 */ lwz r5, __AR_StackPointer@sda21(r13)
/* 8036DAC8 0036AA28 90 0D AB 4C */ stw r0, __AR_FreeBlocks@sda21(r13)
/* 8036DACC 0036AA2C 7C 06 28 50 */ subf r0, r6, r5
/* 8036DAD0 0036AA30 90 0D AB 48 */ stw r0, lbl_805A9708@sda21(r13)
/* 8036DAD0 0036AA30 90 0D AB 48 */ stw r0, __AR_StackPointer@sda21(r13)
/* 8036DAD4 0036AA34 48 01 3B B5 */ bl OSRestoreInterrupts
/* 8036DAD8 0036AA38 80 6D AB 48 */ lwz r3, lbl_805A9708@sda21(r13)
/* 8036DAD8 0036AA38 80 6D AB 48 */ lwz r3, __AR_StackPointer@sda21(r13)
/* 8036DADC 0036AA3C 80 01 00 1C */ lwz r0, 0x1c(r1)
/* 8036DAE0 0036AA40 83 E1 00 14 */ lwz r31, 0x14(r1)
/* 8036DAE4 0036AA44 38 21 00 18 */ addi r1, r1, 0x18
@ -216,7 +216,7 @@ ARInit:
/* 8036DB04 0036AA64 3B C4 00 00 */ addi r30, r4, 0
/* 8036DB08 0036AA68 93 A1 00 14 */ stw r29, 0x14(r1)
/* 8036DB0C 0036AA6C 3B A3 00 00 */ addi r29, r3, 0
/* 8036DB10 0036AA70 80 0D AB 54 */ lwz r0, lbl_805A9714@sda21(r13)
/* 8036DB10 0036AA70 80 0D AB 54 */ lwz r0, __AR_init_flag@sda21(r13)
/* 8036DB14 0036AA74 2C 00 00 01 */ cmpwi r0, 1
/* 8036DB18 0036AA78 40 82 00 0C */ bne lbl_8036DB24
/* 8036DB1C 0036AA7C 38 60 40 00 */ li r3, 0x4000
@ -227,7 +227,7 @@ lbl_8036DB24:
/* 8036DB2C 0036AA8C 48 01 3B 35 */ bl OSDisableInterrupts
/* 8036DB30 0036AA90 38 00 00 00 */ li r0, 0
/* 8036DB34 0036AA94 3C 80 80 37 */ lis r4, __ARHandler@ha
/* 8036DB38 0036AA98 90 0D AB 38 */ stw r0, lbl_805A96F8@sda21(r13)
/* 8036DB38 0036AA98 90 0D AB 38 */ stw r0, __AR_Callback@sda21(r13)
/* 8036DB3C 0036AA9C 3B E3 00 00 */ addi r31, r3, 0
/* 8036DB40 0036AAA0 38 84 DB C4 */ addi r4, r4, __ARHandler@l
/* 8036DB44 0036AAA4 38 60 00 06 */ li r3, 6
@ -235,11 +235,11 @@ lbl_8036DB24:
/* 8036DB4C 0036AAAC 3C 60 02 00 */ lis r3, 0x200
/* 8036DB50 0036AAB0 48 01 3F 61 */ bl __OSUnmaskInterrupts
/* 8036DB54 0036AAB4 38 00 40 00 */ li r0, 0x4000
/* 8036DB58 0036AAB8 93 CD AB 4C */ stw r30, lbl_805A970C@sda21(r13)
/* 8036DB58 0036AAB8 93 CD AB 4C */ stw r30, __AR_FreeBlocks@sda21(r13)
/* 8036DB5C 0036AABC 3C 60 CC 00 */ lis r3, 0xCC005000@ha
/* 8036DB60 0036AAC0 90 0D AB 48 */ stw r0, lbl_805A9708@sda21(r13)
/* 8036DB60 0036AAC0 90 0D AB 48 */ stw r0, __AR_StackPointer@sda21(r13)
/* 8036DB64 0036AAC4 38 83 50 00 */ addi r4, r3, 0xCC005000@l
/* 8036DB68 0036AAC8 93 AD AB 50 */ stw r29, lbl_805A9710@sda21(r13)
/* 8036DB68 0036AAC8 93 AD AB 50 */ stw r29, __AR_BlockLength@sda21(r13)
/* 8036DB6C 0036AACC A0 04 00 1A */ lhz r0, 0x1a(r4)
/* 8036DB70 0036AAD0 A0 63 50 1A */ lhz r3, 0x501a(r3)
/* 8036DB74 0036AAD4 54 00 00 2E */ rlwinm r0, r0, 0, 0, 0x17
@ -247,10 +247,10 @@ lbl_8036DB24:
/* 8036DB7C 0036AADC B0 04 00 1A */ sth r0, 0x1a(r4)
/* 8036DB80 0036AAE0 48 00 00 BD */ bl __ARChecksize
/* 8036DB84 0036AAE4 38 00 00 01 */ li r0, 1
/* 8036DB88 0036AAE8 90 0D AB 54 */ stw r0, lbl_805A9714@sda21(r13)
/* 8036DB88 0036AAE8 90 0D AB 54 */ stw r0, __AR_init_flag@sda21(r13)
/* 8036DB8C 0036AAEC 7F E3 FB 78 */ mr r3, r31
/* 8036DB90 0036AAF0 48 01 3A F9 */ bl OSRestoreInterrupts
/* 8036DB94 0036AAF4 80 6D AB 48 */ lwz r3, lbl_805A9708@sda21(r13)
/* 8036DB94 0036AAF4 80 6D AB 48 */ lwz r3, __AR_StackPointer@sda21(r13)
lbl_8036DB98:
/* 8036DB98 0036AAF8 80 01 00 24 */ lwz r0, 0x24(r1)
/* 8036DB9C 0036AAFC 83 E1 00 1C */ lwz r31, 0x1c(r1)
@ -267,7 +267,7 @@ ARGetBaseAddress:
.global ARGetSize
ARGetSize:
/* 8036DBBC 0036AB1C 80 6D AB 3C */ lwz r3, lbl_805A96FC@sda21(r13)
/* 8036DBBC 0036AB1C 80 6D AB 3C */ lwz r3, __AR_Size@sda21(r13)
/* 8036DBC0 0036AB20 4E 80 00 20 */ blr
.global __ARHandler
@ -288,7 +288,7 @@ __ARHandler:
/* 8036DBF8 0036AB58 48 01 1A 1D */ bl OSClearContext
/* 8036DBFC 0036AB5C 38 61 00 10 */ addi r3, r1, 0x10
/* 8036DC00 0036AB60 48 01 18 1D */ bl OSSetCurrentContext
/* 8036DC04 0036AB64 81 8D AB 38 */ lwz r12, lbl_805A96F8@sda21(r13)
/* 8036DC04 0036AB64 81 8D AB 38 */ lwz r12, __AR_Callback@sda21(r13)
/* 8036DC08 0036AB68 28 0C 00 00 */ cmplwi r12, 0
/* 8036DC0C 0036AB6C 41 82 00 0C */ beq lbl_8036DC18
/* 8036DC10 0036AB70 7D 88 03 A6 */ mtlr r12
@ -321,7 +321,7 @@ lbl_8036DC54:
/* 8036DC68 0036ABC8 90 01 02 48 */ stw r0, 0x248(r1)
/* 8036DC6C 0036ABCC 3C 60 01 00 */ lis r3, 0x01000000@ha
/* 8036DC70 0036ABD0 38 01 01 F3 */ addi r0, r1, 0x1f3
/* 8036DC74 0036ABD4 90 6D AB 40 */ stw r3, lbl_805A9700@sda21(r13)
/* 8036DC74 0036ABD4 90 6D AB 40 */ stw r3, __AR_InternalSize@sda21(r13)
/* 8036DC78 0036ABD8 3C A0 DE AE */ lis r5, 0xDEADBEEF@ha
/* 8036DC7C 0036ABDC 80 81 02 48 */ lwz r4, 0x248(r1)
/* 8036DC80 0036ABE0 54 16 00 34 */ rlwinm r22, r0, 0, 0, 0x1a
@ -379,7 +379,7 @@ lbl_8036DC54:
/* 8036DD50 0036ACB0 38 80 00 20 */ li r4, 0x20
/* 8036DD54 0036ACB4 48 01 0D 5D */ bl DCFlushRange
/* 8036DD58 0036ACB8 38 00 00 00 */ li r0, 0
/* 8036DD5C 0036ACBC 90 0D AB 44 */ stw r0, lbl_805A9704@sda21(r13)
/* 8036DD5C 0036ACBC 90 0D AB 44 */ stw r0, __AR_ExpansionSize@sda21(r13)
/* 8036DD60 0036ACC0 38 7C 00 00 */ addi r3, r28, 0
/* 8036DD64 0036ACC4 38 80 00 20 */ li r4, 0x20
/* 8036DD68 0036ACC8 48 01 0D 1D */ bl DCInvalidateRange
@ -909,7 +909,7 @@ lbl_8036E550:
/* 8036E56C 0036B4CC 60 63 00 20 */ ori r3, r3, 0x20
/* 8036E570 0036B4D0 B0 7F 00 00 */ sth r3, 0(r31)
/* 8036E574 0036B4D4 3E 73 00 20 */ addis r19, r19, 0x20
/* 8036E578 0036B4D8 90 0D AB 44 */ stw r0, lbl_805A9704@sda21(r13)
/* 8036E578 0036B4D8 90 0D AB 44 */ stw r0, __AR_ExpansionSize@sda21(r13)
/* 8036E57C 0036B4DC 48 00 0E 78 */ b lbl_8036F3F4
lbl_8036E580:
/* 8036E580 0036B4E0 A0 19 00 00 */ lhz r0, 0(r25)
@ -1116,7 +1116,7 @@ lbl_8036E870:
/* 8036E890 0036B7F0 B0 1F 00 00 */ sth r0, 0(r31)
/* 8036E894 0036B7F4 3E 73 00 40 */ addis r19, r19, 0x40
/* 8036E898 0036B7F8 A0 01 02 70 */ lhz r0, 0x270(r1)
/* 8036E89C 0036B7FC 90 6D AB 44 */ stw r3, lbl_805A9704@sda21(r13)
/* 8036E89C 0036B7FC 90 6D AB 44 */ stw r3, __AR_ExpansionSize@sda21(r13)
/* 8036E8A0 0036B800 60 00 00 08 */ ori r0, r0, 8
/* 8036E8A4 0036B804 B0 01 02 70 */ sth r0, 0x270(r1)
/* 8036E8A8 0036B808 48 00 0B 4C */ b lbl_8036F3F4
@ -1367,7 +1367,7 @@ lbl_8036EC40:
/* 8036EC60 0036BBC0 B0 1F 00 00 */ sth r0, 0(r31)
/* 8036EC64 0036BBC4 3E 73 00 80 */ addis r19, r19, 0x80
/* 8036EC68 0036BBC8 A0 01 02 70 */ lhz r0, 0x270(r1)
/* 8036EC6C 0036BBCC 90 6D AB 44 */ stw r3, lbl_805A9704@sda21(r13)
/* 8036EC6C 0036BBCC 90 6D AB 44 */ stw r3, __AR_ExpansionSize@sda21(r13)
/* 8036EC70 0036BBD0 60 00 00 10 */ ori r0, r0, 0x10
/* 8036EC74 0036BBD4 B0 01 02 70 */ sth r0, 0x270(r1)
/* 8036EC78 0036BBD8 48 00 07 7C */ b lbl_8036F3F4
@ -1658,7 +1658,7 @@ lbl_8036F0AC:
/* 8036F0CC 0036C02C B0 1F 00 00 */ sth r0, 0(r31)
/* 8036F0D0 0036C030 3E 73 01 00 */ addis r19, r19, 0x100
/* 8036F0D4 0036C034 A0 01 02 70 */ lhz r0, 0x270(r1)
/* 8036F0D8 0036C038 90 6D AB 44 */ stw r3, lbl_805A9704@sda21(r13)
/* 8036F0D8 0036C038 90 6D AB 44 */ stw r3, __AR_ExpansionSize@sda21(r13)
/* 8036F0DC 0036C03C 60 00 00 18 */ ori r0, r0, 0x18
/* 8036F0E0 0036C040 B0 01 02 70 */ sth r0, 0x270(r1)
/* 8036F0E4 0036C044 48 00 03 10 */ b lbl_8036F3F4
@ -1860,7 +1860,7 @@ lbl_8036F3BC:
/* 8036F3DC 0036C33C B0 1F 00 00 */ sth r0, 0(r31)
/* 8036F3E0 0036C340 3E 73 02 00 */ addis r19, r19, 0x200
/* 8036F3E4 0036C344 A0 01 02 70 */ lhz r0, 0x270(r1)
/* 8036F3E8 0036C348 90 6D AB 44 */ stw r3, lbl_805A9704@sda21(r13)
/* 8036F3E8 0036C348 90 6D AB 44 */ stw r3, __AR_ExpansionSize@sda21(r13)
/* 8036F3EC 0036C34C 60 00 00 20 */ ori r0, r0, 0x20
/* 8036F3F0 0036C350 B0 01 02 70 */ sth r0, 0x270(r1)
lbl_8036F3F4:
@ -1874,7 +1874,7 @@ lbl_8036F3F4:
lbl_8036F410:
/* 8036F410 0036C370 3C 60 C0 00 */ lis r3, 0xC00000D0@ha
/* 8036F414 0036C374 92 63 00 D0 */ stw r19, 0xC00000D0@l(r3)
/* 8036F418 0036C378 92 6D AB 3C */ stw r19, lbl_805A96FC@sda21(r13)
/* 8036F418 0036C378 92 6D AB 3C */ stw r19, __AR_Size@sda21(r13)
/* 8036F41C 0036C37C 80 01 02 C4 */ lwz r0, 0x2c4(r1)
/* 8036F420 0036C380 B9 C1 02 78 */ lmw r14, 0x278(r1)
/* 8036F424 0036C384 38 21 02 C0 */ addi r1, r1, 0x2c0

4
configure.py
View File

@ -708,11 +708,11 @@ LIBS = [
},
{
"lib": "ar",
"mwcc_version": "1.2.5",
"mwcc_version": "1.2.5e",
"cflags": "$cflags_base",
"host": False,
"objects": [
"Dolphin/ar/ar",
["Dolphin/ar/ar", False],
"Dolphin/ar/arq",
],
},

28
include/dolphin/ar.h
View File

@ -7,8 +7,36 @@
extern "C" {
#endif
#define AR_STACK_INDEX_ENTRY_SIZE sizeof(u32)
#define ARAM_DIR_MRAM_TO_ARAM 0x00
#define ARAM_DIR_ARAM_TO_MRAM 0x01
#define AR_CLEAR_INTERNAL_ALL 0x00
#define AR_CLEAR_INTERNAL_USER 0x01
#define AR_CLEAR_EXPANSION 0x02
typedef void (*ARCallback)(void);
ARCallback ARRegisterDMACallback(ARCallback callback);
u32 ARGetDMAStatus(void);
void ARStartDMA(u32 type, u32 mainmem_addr, u32 aram_addr, u32 length);
u32 ARInit(u32* stack_index_addr, u32 num_entries);
u32 ARGetBaseAddress(void);
BOOL ARCheckInit(void);
void ARReset(void);
u32 ARAlloc(u32 length);
u32 ARFree(u32* length);
u32 ARGetSize(void);
u32 ARGetInternalSize(void);
void ARSetSize(void);
void ARClear(u32 flag);
void __ARClearInterrupt(void);
u16 __ARGetInterruptStatus(void);
#define ARStartDMARead(mmem, aram, len) ARStartDMA(ARAM_DIR_ARAM_TO_MRAM, mmem, aram, len)
#define ARStartDMAWrite(mmem, aram, len) ARStartDMA(ARAM_DIR_MRAM_TO_ARAM, mmem, aram, len)
#ifdef __cplusplus
}

154
src/Dolphin/ar/ar.c Normal file
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@ -0,0 +1,154 @@
#include "dolphin/ar.h"
#include "dolphin/dsp_regs.h"
#include "dolphin/os.h"
static const char* __ARVersion =
"<< Dolphin SDK - AR\trelease build: Sep 5 2002 05:34:27 (0x2301) >>";
static ARCallback __AR_Callback;
static u32 __AR_Size;
static u32 __AR_InternalSize;
static u32 __AR_ExpansionSize;
static u32 __AR_StackPointer;
static u32 __AR_FreeBlocks;
static u32* __AR_BlockLength;
static volatile BOOL __AR_init_flag = FALSE;
static void __ARHandler(__OSInterrupt interrupt, OSContext* context);
static void __ARChecksize(void);
static void __ARClearArea(u32 start_addr, u32 length);
ARCallback ARRegisterDMACallback(ARCallback callback) {
ARCallback oldCb;
BOOL enabled;
oldCb = __AR_Callback;
enabled = OSDisableInterrupts();
__AR_Callback = callback;
OSRestoreInterrupts(enabled);
return oldCb;
}
u32 ARGetDMAStatus() {
BOOL enabled;
u32 val;
enabled = OSDisableInterrupts();
val = __DSPRegs[5] & 0x0200;
OSRestoreInterrupts(enabled);
return val;
}
void ARStartDMA(u32 type, u32 mainmem_addr, u32 aram_addr, u32 length) {
BOOL enabled;
enabled = OSDisableInterrupts();
__DSPRegs[16] = (u16)(__DSPRegs[16] & ~0x3ff) | (u16)(mainmem_addr >> 16);
__DSPRegs[17] = (u16)(__DSPRegs[17] & ~0xffe0) | (u16)(mainmem_addr & 0xffff);
__DSPRegs[18] = (u16)(__DSPRegs[18] & ~0x3ff) | (u16)(aram_addr >> 16);
__DSPRegs[19] = (u16)(__DSPRegs[19] & ~0xffe0) | (u16)(aram_addr & 0xffff);
__DSPRegs[20] = (u16)((__DSPRegs[20] & ~0x8000) | (type << 15));
__DSPRegs[20] = (u16)(__DSPRegs[20] & ~0x3ff) | (u16)(length >> 16);
__DSPRegs[21] = (u16)(__DSPRegs[21] & ~0xffe0) | (u16)(length & 0xffff);
OSRestoreInterrupts(enabled);
}
u32 ARAlloc(u32 length) {
u32 tmp;
BOOL enabled;
enabled = OSDisableInterrupts();
tmp = __AR_StackPointer;
__AR_StackPointer += length;
*__AR_BlockLength = length;
__AR_BlockLength++;
__AR_FreeBlocks--;
OSRestoreInterrupts(enabled);
return tmp;
}
u32 ARFree(u32* length) {
BOOL old;
old = OSDisableInterrupts();
__AR_BlockLength--;
if (length) {
*length = *__AR_BlockLength;
}
__AR_StackPointer -= *__AR_BlockLength;
__AR_FreeBlocks++;
OSRestoreInterrupts(old);
return __AR_StackPointer;
}
BOOL ARCheckInit() { return __AR_init_flag; }
u32 ARInit(u32* stack_index_addr, u32 num_entries) {
BOOL old;
u16 refresh;
if (__AR_init_flag == TRUE) {
return 0x4000;
}
OSRegisterVersion(__ARVersion);
old = OSDisableInterrupts();
__AR_Callback = NULL;
__OSSetInterruptHandler(__OS_INTERRUPT_DSP_ARAM, __ARHandler);
__OSUnmaskInterrupts(OS_INTERRUPTMASK_DSP_ARAM);
__AR_StackPointer = 0x4000;
__AR_FreeBlocks = num_entries;
__AR_BlockLength = stack_index_addr;
refresh = (u16)(__DSPRegs[13] & 0x000000ff);
__DSPRegs[13] = (u16)((__DSPRegs[13] & ~0x000000ff) | (refresh & 0x000000ff));
__ARChecksize();
__AR_init_flag = TRUE;
OSRestoreInterrupts(old);
return __AR_StackPointer;
}
u32 ARGetBaseAddress(void) { return 0x4000; }
u32 ARGetSize() { return __AR_Size; }
static void __ARHandler(__OSInterrupt interrupt, OSContext* context) {
OSContext exceptionContext;
u16 tmp;
tmp = __DSPRegs[5];
tmp = (u16)((tmp & ~0x00000088) | 0x20);
__DSPRegs[5] = tmp;
OSClearContext(&exceptionContext);
OSSetCurrentContext(&exceptionContext);
if (__AR_Callback) {
(*__AR_Callback)();
}
OSClearContext(&exceptionContext);
OSSetCurrentContext(context);
}
static void __ARChecksize() {}

3
src/Dolphin/dsp/dsp.c
View File

@ -9,6 +9,7 @@ extern "C" {
static const char* __DSPVersion =
"<< Dolphin SDK - DSP\trelease build: Sep 5 2002 05:35:13 (0x2301) >>";
static s32 __DSP_init_flag = 0;
extern DSPTaskInfo* __DSP_tmp_task;
extern DSPTaskInfo* __DSP_last_task;
@ -136,9 +137,9 @@ lbl_8036FBB4:
mtlr r0
blr
}
#pragma pop
#endif
/* clang-format on */
#pragma pop
#ifdef __cplusplus
}
#endif