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f183158d03
subrepo: subdir: "lib/libpl2" merged: "58e4fa38" upstream: origin: "https://gitlab.com/parallel-launcher/libpl2" branch: "master" commit: "58e4fa38" git-subrepo: version: "0.4.9" origin: "https://github.com/ingydotnet/git-subrepo" commit: "4f60dd7"
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
#include "libpl2-init.h"
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#ifdef LIBDRAGON
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#include <libdragon.h>
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#else
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#include <ultra64.h>
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#endif
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#include "libpl2-internal.h"
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#include "libpl2-launcher.h"
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#include "libpl2-emu.h"
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struct lpl_abi_requirements {
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lpl2_version coreVersion;
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lpl2_version launcherVersion;
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};
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static const struct lpl_abi_requirements sAbiReqs[] = {
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{ { 2, 13, 0 }, { 0, 0, 0 } }, // LIBPL_ABI_VERSION_2
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{ { 2, 13, 0 }, { 6, 20, 0 } }, // LIBPL_ABI_VERSION_3
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{ { 2, 14, 3 }, { 6, 22, 0 } }, // LIBPL_ABI_VERSION_4
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{ { 2, 15, 0 }, { 6, 22, 0 } }, // LIBPL_ABI_VERSION_5
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{ { 2, 16, 0 }, { 6, 22, 0 } }, // LIBPL_ABI_VERSION_6
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{ { 2, 16, 0 }, { 7, 10, 1 } }, // LIBPL_ABI_VERSION_7
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};
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lpl2_bool lpl2_init( libpl_abi_version minimumAbiVersion, lpl2_err *err ) {
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if( __libpl2_status == __LPL2_INITIALIZED && minimumAbiVersion <= __libpl2_abi ) {
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if( err ) *err = LPL2_ERR_OKAY;
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return TRUE;
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}
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__libpl2_status = __LPL2_NOT_SUPPORTED;
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if( minimumAbiVersion < LIBPL_ABI_VERSION_1 || minimumAbiVersion > LIBPL_ABI_VERSION_CURRENT ) {
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if( err ) *err = LPL2_ERR_INVALID_ARGUMENTS;
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return FALSE;
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}
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__libpl2_abi = (int)minimumAbiVersion;
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if( minimumAbiVersion == LIBPL_ABI_VERSION_1 ) {
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__libpl2_status = __LPL2_INITIALIZED;
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if( err ) *err = LPL2_ERR_OKAY;
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return TRUE;
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}
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#ifdef LIBDRAGON
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io_write( 0x1ffb0000u, 0u );
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const unsigned int response = io_read( 0x1ffb0000u );
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#else
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unsigned int response = 0;
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osPiWriteIo( 0x1ffb0000u, 0u );
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osPiReadIo( 0x1ffb0000u, &response );
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#endif
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if( response != 0x00500000u ) {
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if( err ) *err = LPL2_ERR_LIBPL_NOT_SUPPORTED;
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return FALSE;
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}
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lpl2_version version;
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__libpl2_status = __LPL2_INITIALIZED;
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if( !lpl2_get_core_version( &version, NULL ) || lpl2_compare_versions( &version, &sAbiReqs[(int)minimumAbiVersion - 2].coreVersion ) < 0 ) {
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__libpl2_status = __LPL2_NOT_SUPPORTED;
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if( err ) *err = LPL2_ERR_LIBPL_OLD_ABI;
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return FALSE;
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}
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if( minimumAbiVersion == LIBPL_ABI_VERSION_2 ) {
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if( err ) *err = LPL2_ERR_OKAY;
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return TRUE;
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}
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lpl2_err plErr;
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if( !lpl2_get_launcher_version( &version, &plErr ) || lpl2_compare_versions( &version, &sAbiReqs[(int)minimumAbiVersion - 2].launcherVersion ) < 0 ) {
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__libpl2_status = __LPL2_NOT_SUPPORTED;
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if( err ) *err = (plErr == LPL2_ERR_BROKEN_PIPE) ? LPL2_ERR_BROKEN_PIPE : LPL2_ERR_LIBPL_OLD_ABI;
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return FALSE;
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}
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if( err ) *err = LPL2_ERR_OKAY;
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return TRUE;
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}
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