f4515c3082
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20235 a1c6a512-1295-4272-9138-f99709370657
79 lines
1.3 KiB
ArmAsm
79 lines
1.3 KiB
ArmAsm
/* ANSI concatenation macros. */
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#define CONCAT1(a, b) CONCAT2(a, b)
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#define CONCAT2(a, b) a ## b
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/* Use the right prefix for global labels. */
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#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
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/* Use the right prefix for registers. */
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#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
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#define d0 REG (d0)
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#define d1 REG (d1)
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#define d2 REG (d2)
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#define d3 REG (d3)
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#define d4 REG (d4)
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#define d5 REG (d5)
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#define d6 REG (d6)
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#define d7 REG (d7)
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#define a0 REG (a0)
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#define a1 REG (a1)
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#define a2 REG (a2)
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#define a3 REG (a3)
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#define a4 REG (a4)
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#define a5 REG (a5)
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#define a6 REG (a6)
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#define fp REG (fp)
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#define sp REG (sp)
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.global SYM (setjmp)
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.global SYM (longjmp)
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SYM (setjmp):
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moveal sp@(4),a0
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movel sp@(0),a0@(12)
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movel sp,a0@(8)
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moveml d2-d7/a2-a6,a0@(20)
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clrl d0
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rts
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SYM (longjmp):
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moveal sp@(4),a0
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movel sp@(8),d0
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bne 1f
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movel &1,d0
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1:
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moveml a0@(20),d2-d7/a2-a6
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moveal a0@(8),sp
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movel a0@(12),sp@
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rts
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#ifdef M68881
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.global SYM (setjmp_68881)
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.global SYM (longjmp_68881)
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SYM (setjmp_68881):
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moveal sp@(4),a0
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movel sp@(0),a0@(12)
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movel sp,a0@(8)
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moveml d2-d7/a2-a6,a0@(20)
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fmovemx fp2-fp7,a0@(64)
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clrl d0
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rts
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SYM (longjmp_68881):
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moveal sp@(4),a0
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fmovemx a0@(64),fp2-fp7
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movel sp@(8),d0
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bne 1f
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movel &1,d0
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1:
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moveml a0@(20),d2-d7/a2-a6
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moveal a0@(8),sp
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movel a0@(12),sp@
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rts
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#endif
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