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author | Jeff Johnston <jjohnstn@redhat.com> | 2006-11-08 19:26:43 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2006-11-08 19:26:43 +0000 |
commit | 292f8e2328d56d163f5a2fc7f07f348ccd6bb1ae (patch) | |
tree | d3e1fb321ea4bfdf39a153d7f482e22aaa0fd65d /newlib/libc/machine/bfin/setjmp.S | |
parent | 2fd2ddf3f5bacc7cccc9ac2d32b8024125808b6e (diff) | |
download | cygnal-292f8e2328d56d163f5a2fc7f07f348ccd6bb1ae.tar.gz cygnal-292f8e2328d56d163f5a2fc7f07f348ccd6bb1ae.tar.bz2 cygnal-292f8e2328d56d163f5a2fc7f07f348ccd6bb1ae.zip |
2006-11-08 Jie Zhang <jzhang918@gmail.com>
* configure.host: Add support for bfin.
* libc/include/machine/ieeefp.h: Define __IEEE_LITTLE_ENDIAN for bfin.
* libc/include/machine/setjmp.h: Define _JBLEN for bfin.
* libc/machine/bfin/aclocal.m4: Generate.
* libc/machine/bfin/configure.in: New.
* libc/machine/bfin/configure: Generate.
* libc/machine/bfin/Makefile.am: New.
* libc/machine/bfin/Makefile.in: Generate.
* libc/machine/bfin/setjmp.S: New.
* libc/machine/bfin/longjmp.S: New.
* libc/machine/configure.in: Add bfin support.
* libc/machine/configure: Generate.
Diffstat (limited to 'newlib/libc/machine/bfin/setjmp.S')
-rw-r--r-- | newlib/libc/machine/bfin/setjmp.S | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/newlib/libc/machine/bfin/setjmp.S b/newlib/libc/machine/bfin/setjmp.S new file mode 100644 index 000000000..d964dad8c --- /dev/null +++ b/newlib/libc/machine/bfin/setjmp.S @@ -0,0 +1,108 @@ +/* + * setjmp for the Blackfin processor + * + * Copyright (C) 2006 Analog Devices, Inc. + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + + +#define _ASM +#define _SETJMP_H + +.text; +.align 4; +.globl _setjmp; +.type _setjmp, STT_FUNC; + +_setjmp: + [--SP] = P0; /* Save P0 */ + P0 = R0; + R0 = [SP++]; + [P0 + 0x00] = R0; /* Save saved P0 */ + [P0 + 0x04] = P1; + [P0 + 0x08] = P2; + [P0 + 0x0C] = P3; + [P0 + 0x10] = P4; + [P0 + 0x14] = P5; + + [P0 + 0x18] = FP; /* Frame Pointer */ + [P0 + 0x1C] = SP; /* Stack Pointer */ + + [P0 + 0x20] = P0; /* Data Registers */ + [P0 + 0x24] = R1; + [P0 + 0x28] = R2; + [P0 + 0x2C] = R3; + [P0 + 0x30] = R4; + [P0 + 0x34] = R5; + [P0 + 0x38] = R6; + [P0 + 0x3C] = R7; + + R0 = ASTAT; + [P0 + 0x40] = R0; + + R0 = LC0; /* Loop Counters */ + [P0 + 0x44] = R0; + R0 = LC1; + [P0 + 0x48] = R0; + + R0 = A0.W; /* Accumulators */ + [P0 + 0x4C] = R0; + R0 = A0.X; + [P0 + 0x50] = R0; + R0 = A1.W; + [P0 + 0x54] = R0; + R0 = A1.X; + [P0 + 0x58] = R0; + + R0 = I0; /* Index Registers */ + [P0 + 0x5C] = R0; + R0 = I1; + [P0 + 0x60] = R0; + R0 = I2; + [P0 + 0x64] = R0; + R0 = I3; + [P0 + 0x68] = R0; + + R0 = M0; /* Modifier Registers */ + [P0 + 0x6C] = R0; + R0 = M1; + [P0 + 0x70] = R0; + R0 = M2; + [P0 + 0x74] = R0; + R0 = M3; + [P0 + 0x78] = R0; + + R0 = L0; /* Length Registers */ + [P0 + 0x7c] = R0; + R0 = L1; + [P0 + 0x80] = R0; + R0 = L2; + [P0 + 0x84] = R0; + R0 = L3; + [P0 + 0x88] = R0; + + R0 = B0; /* Base Registers */ + [P0 + 0x8C] = R0; + R0 = B1; + [P0 + 0x90] = R0; + R0 = B2; + [P0 + 0x94] = R0; + R0 = B3; + [P0 + 0x98] = R0; + + R0 = RETS; + [P0 + 0x9C] = R0; + + R0 = 0; + + RTS; +.size _setjmp, .-_setjmp; |