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Introduce mkrom

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This commit is contained in:
Ryan Dwyer
2021-10-23 11:27:59 +10:00
parent 39a92c5970
commit 91ae15a32d
22 changed files with 2836 additions and 707 deletions
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ld/pd.ld
+33 -17
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@@ -50,15 +50,13 @@
END_SEG(font##name)
/**
* Placeholder segments are used to mark the locations where zipped content will
* go. It's really just here so it appears in the linker map which allows
* packrom to find it. We only care about the start address for this segment,
* so the romheader object is used as it's nice and short.
* Placeholder segments are used to mark the
* locations where zipped content will go.
*/
#define PLACEHOLDER_SEGMENT(name) \
#define PLACEHOLDER_SEGMENT(name, len) \
BEGIN_SEG(name) \
{ \
build/ROMID/romheader.o (.data); \
. = . + len; \
} \
END_SEG(name)
@@ -67,7 +65,7 @@
* ----------------------------------------------------------------------------
* The lib, data and game segments are compressed in the final ROM. To do this,
* we build them uncompressed here but place them past the end of the ROM, then
* a later script compresses them and writes them into the ROM.
* mkrom compresses them and writes them into the ROM.
*
* These constants are defining how much space is reserved for the compressed
* segments. If these segments are edited and grow to a point that their
@@ -78,11 +76,15 @@
#if VERSION >= VERSION_PAL_FINAL
#define ROMALLOCATION_LIB 0x038800
#define ROMALLOCATION_DATA 0x015000
#define ROMALLOCATION_GAME 0x13d180
#else
#define ROMALLOCATION_GAME 0x1306f0
#elif VERSION >= VERSION_NTSC_1_0
#define ROMALLOCATION_LIB 0x038800
#define ROMALLOCATION_DATA 0x015000
#define ROMALLOCATION_GAME 0x151980
#define ROMALLOCATION_GAME 0x144ee0
#else
#define ROMALLOCATION_LIB 0x02f800
#define ROMALLOCATION_DATA 0x012000
#define ROMALLOCATION_GAME 0x112080
#endif
OUTPUT_ARCH (mips)
@@ -203,7 +205,7 @@ SECTIONS
__rompos = 0x00001050;
PLACEHOLDER_SEGMENT(libzip)
PLACEHOLDER_SEGMENT(libzip, ROMALLOCATION_LIB)
__rompos = 0x02000000;
__rampos = 0x70001050;
@@ -227,7 +229,7 @@ SECTIONS
__savedrompos = __rompos;
__rompos = _libzipSegmentRomStart + ROMALLOCATION_LIB;
PLACEHOLDER_SEGMENT(datazip)
PLACEHOLDER_SEGMENT(datazip, ROMALLOCATION_DATA)
__rompos = __savedrompos;
__rampos = 0x80001050 + SIZEOF(.lib);
@@ -244,8 +246,6 @@ SECTIONS
}
END_SEG(data)
_datazipSegmentRomEnd = _datazipSegmentRomStart + ROMALLOCATION_DATA;
rspbootTextStart = _dataSegmentStart;
rspbootTextEnd = rspbootTextStart + 0xd0;
gspTextStart = rspbootTextEnd;
@@ -300,7 +300,8 @@ SECTIONS
* -------------------------------------------------------------------------
*/
PLACEHOLDER_SEGMENT(gamezip)
PLACEHOLDER_SEGMENT(gamezip, ROMALLOCATION_GAME)
__rompos = __savedrompos;
__rampos = 0x7f000000;
@@ -311,6 +312,23 @@ SECTIONS
}
END_SEG(game)
__rompos = _inflateSegmentRomEnd + ROMALLOCATION_GAME;
/***************************************************************************
* garbage
* -------------------------------------------------------------------------
* ROM range: 0x00194b30 - 0x001a15c0
* RAM range: N/A
* -------------------------------------------------------------------------
* On NTSC, this contains unused JPN fonts. On PAL, not sure what this is.
*/
BEGIN_SEG(garbage)
{
build/ROMID/garbage.o (.data);
}
END_SEG(garbage)
/***************************************************************************
* animations
* -------------------------------------------------------------------------
@@ -319,8 +337,6 @@ SECTIONS
* -------------------------------------------------------------------------
*/
__rompos = _inflateSegmentRomEnd + ROMALLOCATION_GAME;
BEGIN_SEG(animations)
{
build/ROMID/assets/animations.o (.data);