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Add specific PS2 sys code: - Do not use libgloss (we have ps2sdk) - Use newlib reentrant syscalls - Use posix functions - Exclude OPENDIR functions - Add -G0 in the newlib_cflags - Fix time.h should have nanosleep defined Fix setjmp for R5900 CPU Add option to override 32MiB on DESR/DVR models rename ps2sdk_libc to libcglue Add _POSIX_MONOTONIC_CLOCK to features tmp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| libc_a_SOURCES += %D%/setjmp.S |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /* This is a simple version of setjmp and longjmp. | ||
| * Floating point support in. */ | ||
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| #define O_S0 0x00 | ||
| #define O_S1 0x10 | ||
| #define O_S2 0x20 | ||
| #define O_S3 0x30 | ||
| #define O_S4 0x40 | ||
| #define O_S5 0x50 | ||
| #define O_S6 0x60 | ||
| #define O_S7 0x70 | ||
| #define O_FP 0x80 | ||
| #define O_SP 0x90 | ||
| #define O_RA 0xa0 | ||
| #define O_F20 0xb0 | ||
| #define O_F21 0xb4 | ||
| #define O_F22 0xb8 | ||
| #define O_F23 0xbc | ||
| #define O_F24 0xc0 | ||
| #define O_F25 0xc4 | ||
| #define O_F26 0xc8 | ||
| #define O_F27 0xcc | ||
| #define O_F28 0xd0 | ||
| #define O_F29 0xd4 | ||
| #define O_F30 0xd8 | ||
| #define O_F31 0xdc | ||
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| /* int setjmp (jmp_buf); */ | ||
| .globl setjmp | ||
| .ent setjmp | ||
| setjmp: | ||
| .frame $sp,0,$31 | ||
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| sq $s0, O_S0($a0) | ||
| sq $s1, O_S1($a0) | ||
| sq $s2, O_S2($a0) | ||
| sq $s3, O_S3($a0) | ||
| sq $s4, O_S4($a0) | ||
| sq $s5, O_S5($a0) | ||
| sq $s6, O_S6($a0) | ||
| sq $s7, O_S7($a0) | ||
| sq $fp, O_FP($a0) | ||
| sq $sp, O_SP($a0) | ||
| sq $ra, O_RA($a0) | ||
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| swc1 $f20, O_F20($a0) | ||
| swc1 $f21, O_F21($a0) | ||
| swc1 $f22, O_F22($a0) | ||
| swc1 $f23, O_F23($a0) | ||
| swc1 $f24, O_F24($a0) | ||
| swc1 $f25, O_F25($a0) | ||
| swc1 $f26, O_F26($a0) | ||
| swc1 $f27, O_F27($a0) | ||
| swc1 $f28, O_F28($a0) | ||
| swc1 $f29, O_F29($a0) | ||
| swc1 $f30, O_F30($a0) | ||
| swc1 $f31, O_F31($a0) | ||
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| move $v0, $0 | ||
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| jr $ra | ||
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| .end setjmp | ||
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| /* volatile void longjmp (jmp_buf, int); */ | ||
| .globl longjmp | ||
| .ent longjmp | ||
| longjmp: | ||
| .frame $sp,0,$31 | ||
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| lq $s0, O_S0($a0) | ||
| lq $s1, O_S1($a0) | ||
| lq $s2, O_S2($a0) | ||
| lq $s3, O_S3($a0) | ||
| lq $s4, O_S4($a0) | ||
| lq $s5, O_S5($a0) | ||
| lq $s6, O_S6($a0) | ||
| lq $s7, O_S7($a0) | ||
| lq $fp, O_FP($a0) | ||
| lq $sp, O_SP($a0) | ||
| lq $ra, O_RA($a0) | ||
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| lwc1 $f20, O_F20($a0) | ||
| lwc1 $f21, O_F21($a0) | ||
| lwc1 $f22, O_F22($a0) | ||
| lwc1 $f23, O_F23($a0) | ||
| lwc1 $f24, O_F24($a0) | ||
| lwc1 $f25, O_F25($a0) | ||
| lwc1 $f26, O_F26($a0) | ||
| lwc1 $f27, O_F27($a0) | ||
| lwc1 $f28, O_F28($a0) | ||
| lwc1 $f29, O_F29($a0) | ||
| lwc1 $f30, O_F30($a0) | ||
| lwc1 $f31, O_F31($a0) | ||
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| bne $a0, $0, 1f | ||
| li $a0, 1 | ||
| 1: | ||
| move $v0, $a0 | ||
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| jr $ra | ||
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||
| .end longjmp |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| /* The real crt0.c lives in PS2SDK. */ | ||
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| void _start() { } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| #ifndef _MACHINE__TYPES_H | ||
| #define _MACHINE__TYPES_H | ||
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| #include <machine/_default_types.h> | ||
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| typedef __int64_t _off_t; | ||
| #define __machine_off_t_defined | ||
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| #endif /* _MACHINE__TYPES_H */ |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,23 @@ | ||
| #ifndef _SYS_DIRENT_H | ||
| #define _SYS_DIRENT_H | ||
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| typedef struct __dirdesc { | ||
| int dd_fd; | ||
| char *dd_buf; | ||
| } DIR; | ||
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| # define __dirfd(dp) ((dp)->dd_fd) | ||
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| #include <sys/stat.h> | ||
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| #undef MAXNAMLEN /* from unistd.h */ | ||
| #define MAXNAMLEN 255 | ||
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| #define d_ino d_fileno /* compatibility */ | ||
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| struct dirent { | ||
| struct stat d_stat; | ||
| char d_name[MAXNAMLEN + 1]; | ||
| }; | ||
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| #endif |
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