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  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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roms/u-boot/arch/blackfin/lib/__kgdb.S
 
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#include <linux/linkage.h>
 
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/* save stack context for non-local goto
 
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 * int kgdb_setjmp(long *buf)
 
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 */
 
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ENTRY(_kgdb_setjmp)
 
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        [--SP] = p0;    /* Save P0 */
 
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        p0 = r0;
 
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        r0 = [SP++];    /* Load P0 into R0 */
 
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        [p0 + 0x00] = r0;       /* GP address registers */
 
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        [p0 + 0x04] = p1;
 
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        [p0 + 0x08] = p2;
 
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        [p0 + 0x0C] = p3;
 
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        [p0 + 0x10] = p4;
 
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        [p0 + 0x14] = p5;
 
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        [p0 + 0x18] = FP;       /* frame pointer */
 
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        [p0 + 0x1C] = SP;       /* stack pointer */
 
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        [p0 + 0x20] = p0;       /* data regs */
 
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        [p0 + 0x24] = r1;
 
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        [p0 + 0x28] = r2;
 
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        [p0 + 0x2C] = r3;
 
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        [p0 + 0x30] = r4;
 
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        [p0 + 0x34] = r5;
 
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        [p0 + 0x38] = r6;
 
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        [p0 + 0x3C] = r7;
 
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        r0 = ASTAT;     [p0 + 0x40] = r0;
 
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        /* loop counters */
 
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        r0 = LC0;       [p0 + 0x44] = r0;
 
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        r0 = LC1;       [p0 + 0x48] = r0;
 
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        /* Accumulator */
 
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        r0 = A0.w;      [p0 + 0x4C] = r0;
 
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        r0.l = A0.x;    [p0 + 0x50] = r0;
 
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        r0 = A1.w;      [p0 + 0x54] = r0;
 
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        r0.l = A1.x;    [p0 + 0x58] = r0;
 
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        /* index registers */
 
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        r0 = i0;        [p0 + 0x5C] = r0;
 
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        r0 = i1;        [p0 + 0x60] = r0;
 
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        r0 = i2;        [p0 + 0x64] = r0;
 
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        r0 = i3;        [p0 + 0x68] = r0;
 
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        /* modifier registers */
 
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        r0 = m0;        [p0 + 0x6C] = r0;
 
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        r0 = m1;        [p0 + 0x70] = r0;
 
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        r0 = m2;        [p0 + 0x74] = r0;
 
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        r0 = m3;        [p0 + 0x78] = r0;
 
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        /* length registers */
 
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        r0 = l0;        [p0 + 0x7C] = r0;
 
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        r0 = l1;        [p0 + 0x80] = r0;
 
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        r0 = l2;        [p0 + 0x84] = r0;
 
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        r0 = l3;        [p0 + 0x88] = r0;
 
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        /* base registers */
 
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        r0 = b0;        [p0 + 0x8C] = r0;
 
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        r0 = b1;        [p0 + 0x90] = r0;
 
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        r0 = b2;        [p0 + 0x94] = r0;
 
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        r0 = b3;        [p0 + 0x98] = r0;
 
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        /* store return address */
 
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        r0 = RETS;      [p0 + 0x9C] = r0;
 
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        R0 = 0;
 
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        RTS;
 
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ENDPROC(_kgdb_setjmp)
 
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/*
 
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 * non-local jump to a saved stack context
 
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 * longjmp(long *buf, int val)
 
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 */
 
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ENTRY(_kgdb_longjmp)
 
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        p0 = r0;
 
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        r0 = [p0 + 0x00];
 
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        [--sp] = r0;
 
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        /* GP address registers - skip p0 for now*/
 
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        p1 = [p0 + 0x04];
 
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        p2 = [p0 + 0x08];
 
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        p3 = [p0 + 0x0C];
 
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        p4 = [p0 + 0x10];
 
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        p5 = [p0 + 0x14];
 
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        /* frame pointer */
 
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        fp = [p0 + 0x18];
 
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        /* stack pointer */
 
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        r0 = [sp++];
 
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        sp = [p0 + 0x1C];
 
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        [--sp] = r0;
 
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        [--sp] = r1;
 
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        /* data regs */
 
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        r0 = [p0 + 0x20];
 
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        r1 = [p0 + 0x24];
 
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        r2 = [p0 + 0x28];
 
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        r3 = [p0 + 0x2C];
 
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        r4 = [p0 + 0x30];
 
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        r5 = [p0 + 0x34];
 
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        r6 = [p0 + 0x38];
 
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        r7 = [p0 + 0x3C];
 
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        r0 = [p0 + 0x40];       ASTAT = r0;
 
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        /* loop counters */
 
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        r0 = [p0 + 0x44];       LC0 = r0;
 
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        r0 = [p0 + 0x48];       LC1 = r0;
 
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        /* Accumulator */
 
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        r0 = [p0 + 0x4C];       A0.w = r0;
 
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        r0 = [p0 + 0x50];       A0.x = r0;
 
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        r0 = [p0 + 0x54];       A1.w = r0;
 
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        r0 = [p0 + 0x58];       A1.x = r0;
 
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        /* index registers */
 
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        r0 = [p0 + 0x5C];       i0 = r0;
 
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        r0 = [p0 + 0x60];       i1 = r0;
 
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        r0 = [p0 + 0x64];       i2 = r0;
 
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        r0 = [p0 + 0x68];       i3 = r0;
 
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        /* modifier registers */
 
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        r0 = [p0 + 0x6C];       m0 = r0;
 
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        r0 = [p0 + 0x70];       m1 = r0;
 
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        r0 = [p0 + 0x74];       m2 = r0;
 
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        r0 = [p0 + 0x78];       m3 = r0;
 
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        /* length registers */
 
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        r0 = [p0 + 0x7C];       l0 = r0;
 
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        r0 = [p0 + 0x80];       l1 = r0;
 
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        r0 = [p0 + 0x84];       l2 = r0;
 
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        r0 = [p0 + 0x88];       l3 = r0;
 
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        /* base registers */
 
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        r0 = [p0 + 0x8C];       b0 = r0;
 
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        r0 = [p0 + 0x90];       b1 = r0;
 
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        r0 = [p0 + 0x94];       b2 = r0;
 
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        r0 = [p0 + 0x98];       b3 = r0;
 
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        /* store return address */
 
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        r0 = [p0 + 0x9C];       RETS = r0;
 
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        /* fixup R0 & P0 */
 
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        r0 = [sp++];
 
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        p0 = [sp++];
 
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        CC = R0 == 0;
 
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        IF !CC JUMP .Lfinished;
 
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        R0 = 1;
 
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.Lfinished:
 
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        RTS;
 
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ENDPROC(_kgdb_longjmp)