From 4e22ddf62665ffbd8644ec379dcc8a5601f1fd5c Mon Sep 17 00:00:00 2001
From: Lauri Kasanen <cand@gmx.com>
Date: Mon, 24 May 2021 11:30:07 +0300
Subject: [PATCH] Save initial mp3 C baseline asm

---
 media/.gitignore                           |   4 +
 media/Makefile                             |  18 +-
 media/audio/mp3/mp3_0_apply_window_float.s | 491 +++++++++++++++++++++
 media/audio/mp3/mp3_1_imdct36_float.s      | 445 +++++++++++++++++++
 media/memmap                               |  11 +
 media/misc/memcpy.c                        |  13 +
 media/misc/memcpy.s                        |  44 ++
 7 files changed, 1025 insertions(+), 1 deletion(-)
 create mode 100644 media/audio/mp3/mp3_0_apply_window_float.s
 create mode 100644 media/audio/mp3/mp3_1_imdct36_float.s
 create mode 100644 media/memmap
 create mode 100644 media/misc/memcpy.c
 create mode 100644 media/misc/memcpy.s

diff --git a/media/.gitignore b/media/.gitignore
index 1269488f..0a974c6d 100644
--- a/media/.gitignore
+++ b/media/.gitignore
@@ -1 +1,5 @@
 data
+*.o
+*.sv
+*.elf
+*.bin
diff --git a/media/Makefile b/media/Makefile
index a2f9cf98..cfa7e3dc 100644
--- a/media/Makefile
+++ b/media/Makefile
@@ -1,8 +1,18 @@
 .PHONY: all wget tests
 
+CROSS ?= powerpc64-linux-gnu-
+AS = $(CROSS)as
+LD = $(CROSS)ld
+OBJCOPY = $(CROSS)objcopy
+
+AFLAGS ?= -mpwr9
+
 EXPECTED_VER = 1
 VER = $(shell cat data/VERSION)
 
+SRC = $(wildcard audio/*/*.s video/*/*.s)
+OBJ = $(SRC:.s=.bin)
+
 all:
 ifneq ($(VER), $(EXPECTED_VER))
 	$(error Data not found, or version mismatch. Please run "make wget")
@@ -15,5 +25,11 @@ wget:
 	wget https://ftp.libre-soc.org/media-test-data.txz
 	tar -C data -xvf media-test-data.txz
 
-tests:
+%.bin: %.s
+	pysvp64asm $< $<.sv
+	$(AS) $(AFLAGS) -c $<.sv -le -o $<.o
+	$(LD) $<.o -EL -o $<.elf -T memmap
+	$(OBJCOPY) $<.elf -I elf64-little -O binary $@
+
+tests: $(OBJ)
 	echo juuh
diff --git a/media/audio/mp3/mp3_0_apply_window_float.s b/media/audio/mp3/mp3_0_apply_window_float.s
new file mode 100644
index 00000000..89b3cfa7
--- /dev/null
+++ b/media/audio/mp3/mp3_0_apply_window_float.s
@@ -0,0 +1,491 @@
+# ffmpeg lgpl 2.1 or later
+
+	.file	"mpegaudiodsp_float.c"
+	.machine power9
+	.abiversion 2
+	.section	".text"
+	.align 2
+	.p2align 4,,15
+	.globl ff_mpadsp_apply_window_float
+	.type	ff_mpadsp_apply_window_float, @function
+ff_mpadsp_apply_window_float:
+.LCF0:
+0:	addis 2,12,.TOC.-.LCF0@ha
+	addi 2,2,.TOC.-.LCF0@l
+	.localentry	ff_mpadsp_apply_window_float,.-ff_mpadsp_apply_window_float
+	mflr 0
+	stfd 29,-24(1)
+	stfd 30,-16(1)
+	stfd 31,-8(1)
+	std 27,-184(1)
+	std 28,-176(1)
+	std 29,-168(1)
+	std 30,-160(1)
+	std 31,-152(1)
+	mr 30,4
+	mr 31,3
+	mr 4,3
+	mr 27,5
+	stfd 14,-144(1)
+	stfd 15,-136(1)
+	stfd 16,-128(1)
+	stfd 17,-120(1)
+	stfd 18,-112(1)
+	stfd 19,-104(1)
+	stfd 20,-96(1)
+	stfd 21,-88(1)
+	stfd 22,-80(1)
+	stfd 23,-72(1)
+	stfd 24,-64(1)
+	stfd 25,-56(1)
+	stfd 26,-48(1)
+	std 0,16(1)
+	stfd 27,-40(1)
+	stfd 28,-32(1)
+	li 5,128
+	stdu 1,-224(1)
+	addi 3,3,2048
+	mr 28,6
+	mr 29,7
+	bl memcpy
+	nop
+	lfs 12,512(30)
+	lfs 8,576(31)
+	lfs 3,64(31)
+	lfiwax 9,0,27
+	lfs 11,0(30)
+	lfs 5,832(31)
+	lfs 6,1088(31)
+	lfs 30,768(30)
+	lfs 31,1024(30)
+	lfs 2,1792(30)
+	lfs 4,256(30)
+	lfs 10,320(31)
+	fmuls 29,12,8
+	lfs 8,1856(31)
+	mulli 11,29,124
+	fcfids 9,9
+	lfs 12,960(31)
+	cmpdi 0,29,1
+	addi 6,31,64
+	fmuls 11,11,3
+	lfs 7,1344(31)
+	sldi 4,29,2
+	fmuls 30,30,5
+	lfs 5,640(30)
+	fmuls 31,31,6
+	lfs 6,896(30)
+	add 7,28,4
+	neg 3,4
+	fmuls 10,4,10
+	lfs 1,1280(30)
+	add 11,28,11
+	fmuls 2,2,8
+	lfs 8,704(31)
+	fadds 11,11,9
+	lfs 0,1600(31)
+	lfs 13,1536(30)
+	lfs 4,192(31)
+	lfs 3,128(30)
+	lfs 9,1216(31)
+	fmuls 6,6,12
+	lfs 12,1472(31)
+	fmuls 1,1,7
+	lfs 7,448(31)
+	fmuls 5,5,8
+	lfs 8,1408(30)
+	fadds 11,11,10
+	lfs 10,1920(30)
+	fmuls 13,13,0
+	lfs 0,384(30)
+	fmuls 3,3,4
+	fmuls 8,8,12
+	fadds 12,11,29
+	fmuls 4,0,7
+	lfs 7,1152(30)
+	lfs 0,1728(31)
+	fadds 12,12,30
+	fmuls 7,7,9
+	lfs 9,1664(30)
+	fadds 12,12,31
+	fmuls 9,9,0
+	lfs 0,1984(31)
+	fadds 12,12,1
+	fadds 12,12,13
+	fmuls 11,10,0
+	fadds 12,12,2
+	fsubs 12,12,3
+	fsubs 0,12,4
+	fsubs 0,0,5
+	fsubs 0,0,6
+	fsubs 0,0,7
+	fsubs 0,0,8
+	fsubs 0,0,9
+	fsubs 0,0,11
+	stfs 0,0(28)
+	bne 0,.L10
+	li 5,15
+	mr 9,30
+	addi 10,30,128
+	addi 8,31,192
+	mr 12,7
+	mtctr 5
+	.p2align 4,,15
+.L5:
+	lfsu 0,-4(10)
+	lfsu 15,4(6)
+	lfsu 9,-4(8)
+	lfs 26,260(9)
+	lfs 12,4(9)
+	addi 9,9,4
+	lfs 24,256(10)
+	lfs 25,512(10)
+	lfs 14,256(6)
+	fmuls 0,15,0
+	lfs 6,512(6)
+	lfs 23,1280(8)
+	lfs 7,768(6)
+	lfs 8,1024(6)
+	lfs 16,1280(6)
+	lfs 17,1536(6)
+	lfs 18,1792(6)
+	lfs 19,256(8)
+	fneg 0,0
+	lfs 20,512(8)
+	fmuls 12,15,12
+	fmuls 24,14,24
+	lfs 21,768(8)
+	fmuls 26,14,26
+	lfs 22,1024(8)
+	lfs 10,1536(8)
+	lfs 11,1792(8)
+	fmuls 25,6,25
+	lfs 27,768(10)
+	lfs 28,1024(10)
+	lfs 29,1280(10)
+	lfs 30,1536(10)
+	lfs 31,1792(10)
+	lfs 1,128(10)
+	lfs 13,384(10)
+	lfs 2,640(10)
+	lfs 3,896(10)
+	lfs 4,1152(10)
+	lfs 5,1408(10)
+	fsubs 0,0,24
+	fadds 26,26,12
+	lfs 24,512(9)
+	lfs 12,1024(9)
+	fmuls 27,7,27
+	fmuls 28,8,28
+	fmuls 29,16,29
+	fmuls 30,17,30
+	fmuls 31,18,31
+	fmuls 1,9,1
+	lfs 15,1664(10)
+	fmuls 13,19,13
+	fmuls 2,20,2
+	fsubs 0,0,25
+	lfs 25,768(9)
+	fmuls 3,21,3
+	fmuls 5,23,5
+	fmuls 4,22,4
+	fmuls 6,6,24
+	fmuls 8,8,12
+	lfs 12,1792(9)
+	lfs 24,1408(9)
+	fmuls 14,10,15
+	lfs 15,1920(10)
+	fsubs 0,0,27
+	lfs 27,1536(9)
+	fmuls 7,7,25
+	lfs 25,1280(9)
+	fadds 26,26,6
+	lfs 6,640(9)
+	fmuls 18,18,12
+	lfs 12,128(9)
+	fmuls 24,23,24
+	fsubs 0,0,28
+	lfs 28,384(9)
+	fmuls 15,11,15
+	fmuls 17,17,27
+	lfs 27,1920(9)
+	fadds 26,26,7
+	fmuls 16,16,25
+	fmuls 20,20,6
+	fmuls 9,9,12
+	lfs 12,896(9)
+	fsubs 0,0,29
+	fmuls 19,19,28
+	fadds 26,26,8
+	fmuls 11,11,27
+	fsubs 30,0,30
+	fmuls 21,21,12
+	lfs 12,1152(9)
+	fadds 16,26,16
+	fsubs 31,30,31
+	fmuls 22,22,12
+	lfs 12,1664(9)
+	fadds 17,16,17
+	fsubs 1,31,1
+	fadds 18,17,18
+	fmuls 10,10,12
+	fsubs 13,1,13
+	fsubs 9,18,9
+	fsubs 2,13,2
+	fsubs 23,9,19
+	fsubs 3,2,3
+	fsubs 23,23,20
+	fsubs 4,3,4
+	fsubs 23,23,21
+	fsubs 5,4,5
+	fsubs 23,23,22
+	fsubs 14,5,14
+	fsubs 23,23,24
+	fsubs 15,14,15
+	fsubs 10,23,10
+	fsubs 11,10,11
+	stfs 11,0(12)
+	stfs 15,0(11)
+	add 12,12,4
+	add 11,11,3
+	bdnz .L5
+.L4:
+	lfs 31,128(31)
+	lfs 12,192(30)
+	lfs 5,384(31)
+	lfs 0,448(30)
+	lfs 1,640(31)
+	lfs 6,704(30)
+	lfs 13,896(31)
+	lfs 7,960(30)
+	lfs 2,1152(31)
+	lfs 8,1216(30)
+	lfs 3,1408(31)
+	lfs 9,1472(30)
+	fmuls 12,12,31
+	lfs 4,1664(31)
+	addi 1,1,224
+	li 9,0
+	fmuls 0,0,5
+	lfs 10,1728(30)
+	mulli 29,29,60
+	fmuls 6,6,1
+	lfs 5,1920(31)
+	ld 0,16(1)
+	ld 28,-176(1)
+	fmuls 7,7,13
+	lfs 11,1984(30)
+	ld 31,-152(1)
+	ld 30,-160(1)
+	fmuls 8,8,2
+	lfd 14,-144(1)
+	lfd 15,-136(1)
+	lfd 16,-128(1)
+	fneg 12,12
+	fmuls 9,9,3
+	lfd 17,-120(1)
+	lfd 18,-112(1)
+	mtlr 0
+	lfd 19,-104(1)
+	lfd 20,-96(1)
+	lfd 21,-88(1)
+	fsubs 0,12,0
+	fmuls 10,10,4
+	fmuls 11,11,5
+	fsubs 0,0,6
+	fsubs 0,0,7
+	fsubs 0,0,8
+	fsubs 0,0,9
+	fsubs 0,0,10
+	fsubs 0,0,11
+	stfsx 0,7,29
+	stw 9,0(27)
+	ld 29,-168(1)
+	ld 27,-184(1)
+	lfd 22,-80(1)
+	lfd 23,-72(1)
+	lfd 24,-64(1)
+	lfd 25,-56(1)
+	lfd 26,-48(1)
+	lfd 27,-40(1)
+	lfd 28,-32(1)
+	lfd 29,-24(1)
+	lfd 30,-16(1)
+	lfd 31,-8(1)
+	blr
+	.p2align 4,,15
+.L10:
+	li 5,15
+	mr 10,30
+	addi 9,30,128
+	addi 8,31,192
+	mr 12,7
+	mtctr 5
+	.p2align 4,,15
+.L3:
+	lfsu 0,-4(9)
+	lfsu 14,4(6)
+	lfsu 1,4(10)
+	lfsu 22,-4(8)
+	lfs 30,256(9)
+	lfs 31,512(9)
+	lfs 15,256(6)
+	fmuls 0,14,0
+	lfs 16,512(6)
+	lfs 18,1024(6)
+	lfs 19,1280(6)
+	lfs 24,512(8)
+	lfs 29,1792(8)
+	lfs 17,768(6)
+	lfs 20,1536(6)
+	lfs 21,1792(6)
+	fneg 0,0
+	lfs 23,256(8)
+	fmuls 1,14,1
+	fmuls 30,15,30
+	lfs 25,768(8)
+	lfs 26,1024(8)
+	lfs 27,1280(8)
+	lfs 28,1536(8)
+	fmuls 31,16,31
+	lfs 13,768(9)
+	lfs 2,1024(9)
+	lfs 3,1280(9)
+	lfs 4,1536(9)
+	lfs 5,1792(9)
+	lfs 6,128(9)
+	lfs 7,384(9)
+	lfs 8,640(9)
+	lfs 9,896(9)
+	lfs 10,1152(9)
+	lfs 11,1408(9)
+	lfs 12,1664(9)
+	fsubs 0,0,30
+	lfs 30,256(10)
+	fmuls 13,17,13
+	fmuls 2,18,2
+	fmuls 3,19,3
+	fmuls 4,20,4
+	fmuls 5,21,5
+	fmuls 6,22,6
+	lfs 14,1920(9)
+	fmuls 8,24,8
+	fmuls 7,23,7
+	fmuls 10,26,10
+	fmuls 9,25,9
+	fsubs 0,0,31
+	lfs 31,768(10)
+	fmuls 11,27,11
+	fmuls 15,15,30
+	lfs 30,512(10)
+	fmuls 12,28,12
+	fmuls 14,29,14
+	fsubs 0,0,13
+	lfs 13,1024(10)
+	fmuls 17,17,31
+	lfs 31,1280(10)
+	fadds 1,1,15
+	fmuls 16,16,30
+	fsubs 2,0,2
+	lfs 0,128(10)
+	fmuls 13,18,13
+	fmuls 18,19,31
+	fadds 19,1,16
+	lfs 1,1792(10)
+	lfs 31,1536(10)
+	fsubs 3,2,3
+	lfs 2,896(10)
+	fmuls 22,22,0
+	lfs 0,1152(10)
+	fadds 19,19,17
+	fmuls 21,21,1
+	lfs 1,640(10)
+	fmuls 20,20,31
+	lfs 31,384(10)
+	fsubs 4,3,4
+	lfs 3,1664(10)
+	fmuls 25,25,2
+	lfs 2,1408(10)
+	fadds 19,19,13
+	fmuls 26,26,0
+	lfs 0,1920(10)
+	fmuls 1,24,1
+	fsubs 5,4,5
+	fmuls 23,23,31
+	fmuls 28,28,3
+	fadds 19,19,18
+	fmuls 27,27,2
+	fmuls 0,29,0
+	fsubs 6,5,6
+	fadds 24,19,20
+	fsubs 7,6,7
+	fadds 24,24,21
+	fsubs 8,7,8
+	fsubs 24,24,22
+	fsubs 9,8,9
+	fsubs 24,24,23
+	fsubs 10,9,10
+	fsubs 24,24,1
+	fsubs 11,10,11
+	fsubs 29,24,25
+	fsubs 12,11,12
+	fsubs 29,29,26
+	fsubs 14,12,14
+	fsubs 29,29,27
+	fsubs 29,29,28
+	fsubs 29,29,0
+	stfs 29,0(12)
+	stfs 14,0(11)
+	add 12,12,4
+	add 11,11,3
+	bdnz .L3
+	b .L4
+	.long 0
+	.byte 0,0,2,1,146,5,0,0
+	.size	ff_mpadsp_apply_window_float,.-ff_mpadsp_apply_window_float
+	.ident	"GCC: (GNU) 10.3.0"
+	.section	.note.GNU-stack,"",@progbits
+	.file	"memcpy.c"
+	.machine power9
+	.abiversion 2
+	.section	".text"
+	.align 2
+	.globl memcpy
+	.type	memcpy, @function
+memcpy:
+	std 31,-8(1)
+	stdu 1,-96(1)
+	mr 31,1
+	std 3,48(31)
+	std 4,56(31)
+	std 5,64(31)
+	ld 9,48(31)
+	std 9,32(31)
+	ld 9,56(31)
+	std 9,40(31)
+	b .Lmemcpy_2
+.Lmemcpy_3:
+	ld 10,40(31)
+	addi 9,10,1
+	std 9,40(31)
+	ld 9,32(31)
+	addi 8,9,1
+	std 8,32(31)
+	lbz 10,0(10)
+	stb 10,0(9)
+.Lmemcpy_2:
+	ld 9,64(31)
+	addi 10,9,-1
+	std 10,64(31)
+	cmpdi 0,9,0
+	bne 0,.Lmemcpy_3
+	ld 9,48(31)
+	mr 3,9
+	addi 1,31,96
+	ld 31,-8(1)
+	blr
+	.long 0
+	.byte 0,0,0,0,128,1,0,1
+	.size	memcpy,.-memcpy
+	.ident	"GCC: (GNU) 10.3.0"
+	.section	.note.GNU-stack,"",@progbits
diff --git a/media/audio/mp3/mp3_1_imdct36_float.s b/media/audio/mp3/mp3_1_imdct36_float.s
new file mode 100644
index 00000000..bf1dac5c
--- /dev/null
+++ b/media/audio/mp3/mp3_1_imdct36_float.s
@@ -0,0 +1,445 @@
+# ffmpeg lgpl 2.1 or later
+
+	.file	"mpegaudiodsp_float.c"
+	.machine power9
+	.abiversion 2
+	.section	".text"
+	.section	".toc","aw"
+	.align 3
+.LCTOC0:
+	.tc .LCTOC1[TC],.LCTOC1
+	.section	".toc1","aw"
+	.align 3
+.LCTOC1 = .+32768
+.LC0:
+	.quad	0x3f000000
+.LC1:
+	.quad	0x3f708fb2
+.LC2:
+	.quad	0xbe31d0d4
+.LC3:
+	.quad	0xbf441b7d
+.LC4:
+	.quad	0xbf5db3d7
+.LC5:
+	.quad	0x3f7c1c5c
+.LC6:
+	.quad	0xbeaf1d44
+.LC7:
+	.quad	0x3f5db3d7
+.LC8:
+	.quad	0xbf248dbb
+.LC9:
+	.quad	0x3f007d2b
+.LC10:
+	.quad	0x40b79454
+.LC11:
+	.quad	0x3f0483ee
+.LC12:
+	.quad	0x3ff746ea
+.LC13:
+	.quad	0x3f0d3b7d
+.LC14:
+	.quad	0x3f976fd9
+.LC15:
+	.quad	0x3f1c4257
+.LC16:
+	.quad	0x3f5f2944
+.LC17:
+	.quad	0x3f3504f3
+	.section	".text"
+	.align 2
+	.p2align 4,,15
+	.globl imdct36
+	.type	imdct36, @function
+imdct36:
+.LCF0:
+0:	addis 2,12,.TOC.-.LCF0@ha
+	addi 2,2,.TOC.-.LCF0@l
+	.localentry	imdct36,.-imdct36
+	stfd 15,-136(1)
+	stfd 16,-128(1)
+	stfd 17,-120(1)
+	stfd 18,-112(1)
+	stfd 19,-104(1)
+	stfd 20,-96(1)
+	stfd 21,-88(1)
+	stfd 22,-80(1)
+	stfd 23,-72(1)
+	stfd 24,-64(1)
+	stfd 25,-56(1)
+	stfd 26,-48(1)
+	stfd 27,-40(1)
+	stfd 28,-32(1)
+	stfd 29,-24(1)
+	stfd 30,-16(1)
+	stfd 31,-8(1)
+	std 30,-152(1)
+	lfs 11,60(5)
+	lfs 12,52(5)
+	lfs 27,48(5)
+	lfs 1,40(5)
+	lfs 13,32(5)
+	lfs 2,24(5)
+	lfs 19,64(5)
+	lfs 30,56(5)
+	lfs 29,44(5)
+	lfs 3,36(5)
+	lfs 6,28(5)
+	lfs 8,20(5)
+	lfs 31,16(5)
+	lfs 10,68(5)
+	lfs 5,12(5)
+	lfs 9,4(5)
+	lfs 4,0(5)
+	lfs 18,8(5)
+	fadds 28,12,27
+	ld 30,.LCTOC0@toc(2)
+	fadds 7,11,30
+	fadds 0,29,1
+	fadds 30,30,12
+	fadds 29,27,29
+	fadds 12,6,2
+	fadds 6,13,6
+	fadds 16,8,31
+	fadds 8,2,8
+	fadds 10,19,10
+	fadds 19,19,11
+	fadds 11,3,13
+	fadds 31,31,5
+	fadds 24,4,9
+	fadds 3,1,3
+	lfs 1,.LC0-.LCTOC1(30)
+	fadds 17,5,18
+	fadds 18,18,9
+	lfs 27,.LC5-.LCTOC1(30)
+	stfs 6,32(5)
+	lfs 5,.LC6-.LCTOC1(30)
+	stfs 29,48(5)
+	lfs 13,.LC1-.LCTOC1(30)
+	stfs 30,56(5)
+	stfs 8,24(5)
+	fadds 10,10,7
+	fadds 7,7,28
+	fadds 28,28,0
+	fadds 0,0,11
+	fadds 11,11,12
+	fadds 12,12,16
+	fadds 2,6,31
+	fsubs 23,6,19
+	fadds 16,16,17
+	fadds 17,24,17
+	fadds 6,19,6
+	fsubs 26,3,30
+	fadds 21,3,18
+	stfs 19,64(5)
+	stfs 31,16(5)
+	stfs 24,4(5)
+	stfs 3,40(5)
+	fadds 3,30,3
+	stfs 18,8(5)
+	fadds 30,30,18
+	fsubs 9,0,7
+	stfs 28,52(5)
+	stfs 10,68(5)
+	stfs 0,44(5)
+	fsubs 22,11,10
+	fmuls 2,2,13
+	stfs 11,36(5)
+	stfs 12,28(5)
+	fadds 20,17,0
+	fadds 25,11,16
+	fsubs 6,6,31
+	fadds 31,19,31
+	fmuls 19,28,1
+	fmuls 21,21,27
+	fsubs 28,24,28
+	fadds 11,10,11
+	fsubs 3,3,18
+	stfs 16,20(5)
+	fadds 10,10,16
+	fadds 0,7,0
+	fmuls 9,9,5
+	fmuls 5,26,5
+	lfs 26,.LC2-.LCTOC1(30)
+	lfs 15,.LC9-.LCTOC1(30)
+	stfs 7,60(5)
+	stfs 17,12(5)
+	fmuls 20,20,27
+	lfs 27,.LC7-.LCTOC1(30)
+	fmuls 13,25,13
+	fadds 24,19,24
+	fmuls 25,29,1
+	fsubs 29,4,29
+	fsubs 11,11,16
+	lfs 16,.LC10-.LCTOC1(30)
+	fadds 7,17,7
+	fsubs 0,0,17
+	fadds 18,21,5
+	fmuls 22,22,26
+	fmuls 23,23,26
+	fadds 19,20,9
+	fmuls 12,12,27
+	fadds 25,25,4
+	fadds 4,24,13
+	fmuls 8,8,27
+	fsubs 13,24,13
+	fadds 19,19,12
+	fadds 4,4,22
+	fadds 26,25,2
+	fadds 18,18,8
+	fsubs 2,25,2
+	fadds 27,4,19
+	fsubs 4,4,19
+	fmuls 19,11,1
+	fmuls 1,6,1
+	fadds 26,26,23
+	fadds 6,6,29
+	fadds 11,11,28
+	fsubs 1,29,1
+	fmuls 4,4,16
+	lfs 29,.LC8-.LCTOC1(30)
+	lfs 16,.LC4-.LCTOC1(30)
+	fadds 17,26,18
+	fmuls 27,27,15
+	fsubs 26,26,18
+	fsubs 28,28,19
+	lfs 18,.LC3-.LCTOC1(30)
+	fmuls 30,30,29
+	fmuls 7,7,29
+	lfs 29,36(6)
+	fmuls 0,0,16
+	fsubs 19,17,27
+	fmuls 3,3,16
+	fadds 27,27,17
+	fmuls 31,31,18
+	fmuls 10,10,18
+	fsubs 17,26,4
+	fadds 4,4,26
+	fsubs 18,5,30
+	fsubs 5,30,5
+	fadds 15,28,0
+	fsubs 28,28,0
+	lfs 0,144(4)
+	fmuls 16,19,29
+	fadds 26,1,3
+	fadds 29,21,30
+	fsubs 2,2,31
+	fsubs 3,1,3
+	fadds 31,25,31
+	fsubs 1,9,7
+	fsubs 9,7,9
+	fsubs 13,13,10
+	fadds 24,24,10
+	fadds 7,20,7
+	fsubs 21,18,8
+	fadds 16,16,0
+	fsubs 10,29,8
+	fadds 0,5,8
+	fsubs 8,8,29
+	fsubs 23,31,23
+	fadds 30,9,12
+	fsubs 1,1,12
+	fsubs 22,24,22
+	fsubs 9,7,12
+	fsubs 12,12,7
+	fadds 21,21,2
+	lfs 5,.LC12-.LCTOC1(30)
+	stfs 16,1152(3)
+	fadds 29,0,2
+	fadds 1,1,13
+	fadds 30,30,13
+	fadds 13,10,23
+	fadds 8,8,23
+	fadds 7,9,22
+	fadds 12,12,22
+	fmuls 28,28,5
+	lfs 10,32(6)
+	lfs 0,128(4)
+	fmuls 19,19,10
+	fadds 19,19,0
+	stfs 19,1024(3)
+	lfs 0,116(6)
+	lfs 10,272(4)
+	fmuls 0,0,27
+	stfs 0,144(4)
+	lfs 0,112(6)
+	fmuls 27,0,27
+	stfs 27,128(4)
+	lfs 9,68(6)
+	fmuls 9,17,9
+	fadds 9,9,10
+	stfs 9,2176(3)
+	lfs 9,.LC11-.LCTOC1(30)
+	lfs 10,0(6)
+	lfs 0,0(4)
+	fmuls 9,15,9
+	fmuls 17,17,10
+	fsubs 2,26,9
+	fadds 9,9,26
+	lfs 10,.LC13-.LCTOC1(30)
+	fadds 17,17,0
+	fmuls 10,1,10
+	stfs 17,0(3)
+	fsubs 1,21,10
+	fadds 10,10,21
+	lfs 0,148(6)
+	lfs 27,160(4)
+	fmuls 0,0,4
+	stfs 0,272(4)
+	lfs 0,80(6)
+	fmuls 4,0,4
+	lfs 0,.LC14-.LCTOC1(30)
+	stfs 4,0(4)
+	fsubs 4,3,28
+	fadds 3,28,3
+	fmuls 30,30,0
+	lfs 31,40(6)
+	fsubs 5,29,30
+	fadds 0,30,29
+	fmuls 31,2,31
+	fadds 31,31,27
+	stfs 31,1280(3)
+	lfs 30,28(6)
+	lfs 31,112(4)
+	fmuls 2,2,30
+	fadds 2,2,31
+	stfs 2,896(3)
+	lfs 31,120(6)
+	lfs 30,256(4)
+	fmuls 31,31,9
+	stfs 31,160(4)
+	lfs 31,108(6)
+	fmuls 9,31,9
+	stfs 9,112(4)
+	lfs 2,64(6)
+	fmuls 2,4,2
+	fadds 2,2,30
+	stfs 2,2048(3)
+	lfs 2,4(6)
+	lfs 9,16(4)
+	fmuls 4,4,2
+	fadds 4,4,9
+	stfs 4,128(3)
+	lfs 9,144(6)
+	lfs 2,176(4)
+	fmuls 9,9,3
+	stfs 9,256(4)
+	lfs 9,84(6)
+	fmuls 3,9,3
+	stfs 3,16(4)
+	lfs 4,44(6)
+	fmuls 4,1,4
+	fadds 4,4,2
+	lfs 2,.LC15-.LCTOC1(30)
+	stfs 4,1408(3)
+	lfs 9,24(6)
+	lfs 4,96(4)
+	fmuls 9,1,9
+	fadds 9,9,4
+	lfs 4,.LC16-.LCTOC1(30)
+	stfs 9,768(3)
+	fmuls 12,12,4
+	lfs 9,124(6)
+	lfs 3,240(4)
+	fsubs 4,8,12
+	fadds 8,8,12
+	fmuls 9,9,10
+	stfs 9,176(4)
+	lfs 9,104(6)
+	fmuls 9,9,10
+	fmuls 10,7,2
+	stfs 9,96(4)
+	fsubs 9,13,10
+	fadds 10,13,10
+	lfs 7,60(6)
+	fmuls 7,5,7
+	fadds 7,7,3
+	stfs 7,1920(3)
+	lfs 7,8(6)
+	lfs 12,32(4)
+	fmuls 5,5,7
+	fadds 5,5,12
+	stfs 5,256(3)
+	lfs 12,140(6)
+	lfs 5,192(4)
+	fmuls 12,12,0
+	stfs 12,240(4)
+	lfs 12,88(6)
+	fmuls 0,12,0
+	stfs 0,32(4)
+	lfs 7,48(6)
+	fmuls 7,9,7
+	fadds 7,7,5
+	stfs 7,1536(3)
+	lfs 12,20(6)
+	lfs 0,80(4)
+	fmuls 9,9,12
+	fadds 9,9,0
+	stfs 9,640(3)
+	lfs 0,128(6)
+	lfs 12,224(4)
+	fmuls 0,0,10
+	stfs 0,192(4)
+	lfs 0,100(6)
+	fmuls 10,0,10
+	stfs 10,80(4)
+	lfs 10,56(6)
+	fmuls 10,4,10
+	fadds 10,10,12
+	stfs 10,1792(3)
+	lfs 0,12(6)
+	lfs 12,48(4)
+	fmuls 0,4,0
+	fadds 0,0,12
+	lfs 12,.LC17-.LCTOC1(30)
+	stfs 0,384(3)
+	fmuls 11,11,12
+	lfs 0,136(6)
+	lfs 10,208(4)
+	fmuls 0,0,8
+	stfs 0,224(4)
+	lfs 0,92(6)
+	fmuls 8,0,8
+	fsubs 0,6,11
+	fadds 6,11,6
+	stfs 8,48(4)
+	lfs 12,52(6)
+	fmuls 12,0,12
+	fadds 12,12,10
+	stfs 12,1664(3)
+	lfs 11,16(6)
+	lfs 12,64(4)
+	fmuls 0,0,11
+	fadds 0,0,12
+	stfs 0,512(3)
+	lfs 0,132(6)
+	fmuls 0,0,6
+	stfs 0,208(4)
+	lfs 0,96(6)
+	fmuls 6,0,6
+	stfs 6,64(4)
+	ld 30,-152(1)
+	lfd 15,-136(1)
+	lfd 16,-128(1)
+	lfd 17,-120(1)
+	lfd 18,-112(1)
+	lfd 19,-104(1)
+	lfd 20,-96(1)
+	lfd 21,-88(1)
+	lfd 22,-80(1)
+	lfd 23,-72(1)
+	lfd 24,-64(1)
+	lfd 25,-56(1)
+	lfd 26,-48(1)
+	lfd 27,-40(1)
+	lfd 28,-32(1)
+	lfd 29,-24(1)
+	lfd 30,-16(1)
+	lfd 31,-8(1)
+	blr
+	.long 0
+	.byte 0,0,2,0,17,2,0,0
+	.size	imdct36,.-imdct36
+	.ident	"GCC: (GNU) 10.3.0"
+	.section	.note.GNU-stack,"",@progbits
diff --git a/media/memmap b/media/memmap
new file mode 100644
index 00000000..8cc1a16e
--- /dev/null
+++ b/media/memmap
@@ -0,0 +1,11 @@
+
+MEMORY
+{
+    ram  : ORIGIN = 0x20000000, LENGTH = 128M
+}
+
+SECTIONS
+{
+   .text : { *(.text*) } > ram
+   .bss  : { *(.text*) } > ram
+}
diff --git a/media/misc/memcpy.c b/media/misc/memcpy.c
new file mode 100644
index 00000000..27dc8ab2
--- /dev/null
+++ b/media/misc/memcpy.c
@@ -0,0 +1,13 @@
+#include <string.h>
+
+void *memcpy(void *dest, const void *src, size_t n) {
+
+	unsigned char *d = dest;
+	const unsigned char *s = src;
+
+	while (n--) {
+		*d++ = *s++;
+	}
+
+	return dest;
+}
diff --git a/media/misc/memcpy.s b/media/misc/memcpy.s
new file mode 100644
index 00000000..87da2826
--- /dev/null
+++ b/media/misc/memcpy.s
@@ -0,0 +1,44 @@
+	.file	"memcpy.c"
+	.machine power9
+	.abiversion 2
+	.section	".text"
+	.align 2
+	.globl memcpy
+	.type	memcpy, @function
+memcpy:
+	std 31,-8(1)
+	stdu 1,-96(1)
+	mr 31,1
+	std 3,48(31)
+	std 4,56(31)
+	std 5,64(31)
+	ld 9,48(31)
+	std 9,32(31)
+	ld 9,56(31)
+	std 9,40(31)
+	b .Lmemcpy_2
+.Lmemcpy_3:
+	ld 10,40(31)
+	addi 9,10,1
+	std 9,40(31)
+	ld 9,32(31)
+	addi 8,9,1
+	std 8,32(31)
+	lbz 10,0(10)
+	stb 10,0(9)
+.Lmemcpy_2:
+	ld 9,64(31)
+	addi 10,9,-1
+	std 10,64(31)
+	cmpdi 0,9,0
+	bne 0,.Lmemcpy_3
+	ld 9,48(31)
+	mr 3,9
+	addi 1,31,96
+	ld 31,-8(1)
+	blr
+	.long 0
+	.byte 0,0,0,0,128,1,0,1
+	.size	memcpy,.-memcpy
+	.ident	"GCC: (GNU) 10.3.0"
+	.section	.note.GNU-stack,"",@progbits
-- 
2.30.2