Initial revision

9 files changed, 1796 insertions, 0 deletions

diff --git a/post/cpu/b.c b/post/cpu/b.c
new file mode 100644
index 0000000000..1ae22cc697
--- /dev/null
+++ b/post/cpu/b.c
@@ -0,0 +1,197 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Branch instructions:		b, bl, bc
+ *
+ * The first 2 instructions (b, bl) are verified by jumping
+ * to a fixed address and checking whether control was transfered
+ * to that very point. For the bl instruction the value of the
+ * link register is checked as well (using mfspr).
+ * To verify the bc instruction various combinations of the BI/BO
+ * fields, the CTR and the condition register values are
+ * checked. The list of such combinations is pre-built and
+ * linked in U-Boot at build time.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1);
+extern void cpu_post_exec_31 (ulong *code, ulong *ctr, ulong *lr, ulong *jump,
+    ulong cr);
+
+static int cpu_post_test_bc (ulong cmd, ulong bo, ulong bi,
+    int pjump, int dec, int link, ulong pctr, ulong cr)
+{
+    int ret = 0;
+    ulong lr = 0;
+    ulong ctr = pctr;
+    ulong jump;
+
+    unsigned long code[] =
+    {
+	ASM_MTCR(6),
+	ASM_MFLR(6),
+	ASM_MTCTR(3),
+	ASM_MTLR(4),
+	ASM_LI(5, 1),
+	ASM_3O(cmd, bo, bi, 8),
+	ASM_LI(5, 0),
+	ASM_MFCTR(3),
+	ASM_MFLR(4),
+	ASM_MTLR(6),
+	ASM_BLR,
+    };
+
+    cpu_post_exec_31 (code, &ctr, &lr, &jump, cr);
+
+    if (ret == 0)
+	ret = pjump == jump ? 0 : -1;
+    if (ret == 0)
+    {
+	if (dec)
+	    ret = pctr == ctr + 1 ? 0 : -1;
+	else
+	    ret = pctr == ctr ? 0 : -1;
+    }
+    if (ret == 0)
+    {
+    	if (link)
+            ret = lr == (ulong) code + 24 ? 0 : -1;
+	else
+	    ret = lr == 0 ? 0 : -1;
+    }
+
+    return ret;
+}
+
+int cpu_post_test_b (void)
+{
+    int ret = 0;
+    unsigned int i;
+
+    if (ret == 0)
+    {
+    	ulong code[] =
+	{
+	   ASM_MFLR(4),
+	   ASM_MTLR(3),
+	   ASM_B(4),
+	   ASM_MFLR(3),
+	   ASM_MTLR(4),
+	   ASM_BLR,
+	};
+	ulong res;
+
+	cpu_post_exec_11 (code, &res, 0);
+
+	ret = res == 0 ? 0 : -1;
+
+    	if (ret != 0)
+    	{
+            post_log ("Error at b1 test !\n");
+    	}
+    }
+
+    if (ret == 0)
+    {
+    	ulong code[] =
+	{
+	   ASM_MFLR(4),
+	   ASM_MTLR(3),
+	   ASM_BL(4),
+	   ASM_MFLR(3),
+	   ASM_MTLR(4),
+	   ASM_BLR,
+	};
+	ulong res;
+
+	cpu_post_exec_11 (code, &res, 0);
+
+	ret = res == (ulong)code + 12 ? 0 : -1;
+
+    	if (ret != 0)
+    	{
+            post_log ("Error at b2 test !\n");
+    	}
+    }
+
+    if (ret == 0)
+    {
+        ulong cc, cd;
+	int cond;
+	ulong ctr;
+	int link;
+
+	i = 0;
+
+	for (cc = 0; cc < 4 && ret == 0; cc++)
+	{
+	    for (cd = 0; cd < 4 && ret == 0; cd++)
+	    {
+	        for (link = 0; link <= 1 && ret == 0; link++)
+		{
+		    for (cond = 0; cond <= 1 && ret == 0; cond++)
+		    {
+		        for (ctr = 1; ctr <= 2 && ret == 0; ctr++)
+			{
+			    int dec = cd < 2;
+			    int cr = cond ? 0x80000000 : 0x00000000;
+			    int jumpc = cc >= 2 ||
+			                (cc == 0 && !cond) ||
+    			    		(cc == 1 && cond);
+			    int jumpd = cd >= 2 ||
+			                (cd == 0 && ctr != 1) ||
+    			    		(cd == 1 && ctr == 1);
+			    int jump = jumpc && jumpd;
+
+			    ret = cpu_post_test_bc (link ? OP_BCL : OP_BC,
+			        (cc << 3) + (cd << 1), 0, jump, dec, link,
+				ctr, cr);
+
+		    	    if (ret != 0)
+		    	    {
+		                post_log ("Error at b3 test %d !\n", i);
+		            }
+
+			    i++;
+			}
+		    }
+		}
+	    }
+	}
+    }
+
+    return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/cmp.c b/post/cpu/cmp.c
new file mode 100644
index 0000000000..789a24cb7f
--- /dev/null
+++ b/post/cpu/cmp.c
@@ -0,0 +1,133 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Integer compare instructions:	cmpw, cmplw
+ *
+ * To verify these instructions the test runs them with
+ * different combinations of operands, reads the condition
+ * register value and compares it with the expected one.
+ * The test contains a pre-built table
+ * containing the description of each test case: the instruction,
+ * the values of the operands, the condition field to save
+ * the result in and the expected result.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2);
+
+static struct cpu_post_cmp_s
+{
+    ulong cmd;
+    ulong op1;
+    ulong op2;
+    ulong cr;
+    ulong res;
+} cpu_post_cmp_table[] =
+{
+    {
+	OP_CMPW,
+	123,
+	123,
+	2,
+	0x02
+    },
+    {
+	OP_CMPW,
+	123,
+	133,
+	3,
+	0x08
+    },
+    {
+	OP_CMPW,
+	123,
+	-133,
+	4,
+	0x04
+    },
+    {
+	OP_CMPLW,
+	123,
+	123,
+	2,
+	0x02
+    },
+    {
+	OP_CMPLW,
+	123,
+	-133,
+	3,
+	0x08
+    },
+    {
+	OP_CMPLW,
+	123,
+	113,
+	4,
+	0x04
+    },
+};
+static unsigned int cpu_post_cmp_size =
+    sizeof (cpu_post_cmp_table) / sizeof (struct cpu_post_cmp_s);
+
+int cpu_post_test_cmp (void)
+{
+    int ret = 0;
+    unsigned int i;
+
+    for (i = 0; i < cpu_post_cmp_size && ret == 0; i++)
+    {
+	struct cpu_post_cmp_s *test = cpu_post_cmp_table + i;
+    	unsigned long code[] =
+	{
+	    ASM_2C(test->cmd, test->cr, 3, 4),
+	    ASM_MFCR(3),
+	    ASM_BLR
+	};
+	ulong res;
+
+	cpu_post_exec_12 (code, & res, test->op1, test->op2);
+
+	ret = ((res >> (28 - 4 * test->cr)) & 0xe) == test->res ? 0 : -1;
+
+	if (ret != 0)
+	{
+	    post_log ("Error at cmp test %d !\n", i);
+	}
+    }
+
+    return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/cmpi.c b/post/cpu/cmpi.c
new file mode 100644
index 0000000000..e0c2aaff82
--- /dev/null
+++ b/post/cpu/cmpi.c
@@ -0,0 +1,133 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Integer compare instructions:	cmpwi, cmplwi
+ *
+ * To verify these instructions the test runs them with
+ * different combinations of operands, reads the condition
+ * register value and compares it with the expected one.
+ * The test contains a pre-built table
+ * containing the description of each test case: the instruction,
+ * the values of the operands, the condition field to save
+ * the result in and the expected result.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1);
+
+static struct cpu_post_cmpi_s
+{
+    ulong cmd;
+    ulong op1;
+    ushort op2;
+    ulong cr;
+    ulong res;
+} cpu_post_cmpi_table[] =
+{
+    {
+	OP_CMPWI,
+	123,
+	123,
+	2,
+	0x02
+    },
+    {
+	OP_CMPWI,
+	123,
+	133,
+	3,
+	0x08
+    },
+    {
+	OP_CMPWI,
+	123,
+	-133,
+	4,
+	0x04
+    },
+    {
+	OP_CMPLWI,
+	123,
+	123,
+	2,
+	0x02
+    },
+    {
+	OP_CMPLWI,
+	123,
+	-133,
+	3,
+	0x08
+    },
+    {
+	OP_CMPLWI,
+	123,
+	113,
+	4,
+	0x04
+    },
+};
+static unsigned int cpu_post_cmpi_size =
+    sizeof (cpu_post_cmpi_table) / sizeof (struct cpu_post_cmpi_s);
+
+int cpu_post_test_cmpi (void)
+{
+    int ret = 0;
+    unsigned int i;
+
+    for (i = 0; i < cpu_post_cmpi_size && ret == 0; i++)
+    {
+	struct cpu_post_cmpi_s *test = cpu_post_cmpi_table + i;
+    	unsigned long code[] =
+	{
+	    ASM_1IC(test->cmd, test->cr, 3, test->op2),
+	    ASM_MFCR(3),
+	    ASM_BLR
+	};
+	ulong res;
+
+	cpu_post_exec_11 (code, & res, test->op1);
+
+	ret = ((res >> (28 - 4 * test->cr)) & 0xe) == test->res ? 0 : -1;
+
+	if (ret != 0)
+	{
+	    post_log ("Error at cmpi test %d !\n", i);
+	}
+    }
+
+    return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/cr.c b/post/cpu/cr.c
new file mode 100644
index 0000000000..8e38729a43
--- /dev/null
+++ b/post/cpu/cr.c
@@ -0,0 +1,356 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Condition register istructions:	mtcr, mfcr, mcrxr,
+ *					crand, crandc, cror, crorc, crxor,
+ *					crnand, crnor, creqv, mcrf
+ *
+ * The mtcrf/mfcr instructions is tested by loading different
+ * values into the condition register (mtcrf), moving its value
+ * to a general-purpose register (mfcr) and comparing this value
+ * with the expected one.
+ * The mcrxr instruction is tested by loading a fixed value
+ * into the XER register (mtspr), moving XER value to the
+ * condition register (mcrxr), moving it to a general-purpose
+ * register (mfcr) and comparing the value of this register with
+ * the expected one.
+ * The rest of instructions is tested by loading a fixed
+ * value into the condition register (mtcrf), executing each
+ * instruction several times to modify all 4-bit condition
+ * fields, moving the value of the conditional register to a
+ * general-purpose register (mfcr) and comparing it with the
+ * expected one.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1);
+extern void cpu_post_exec_21x (ulong *code, ulong *op1, ulong *op2, ulong op3);
+
+static ulong cpu_post_cr_table1[] =
+{
+    0xaaaaaaaa,
+    0x55555555,
+};
+static unsigned int cpu_post_cr_size1 =
+    sizeof (cpu_post_cr_table1) / sizeof (ulong);
+
+static struct cpu_post_cr_s2 {
+    ulong xer;
+    ulong cr;
+} cpu_post_cr_table2[] =
+{
+    {
+    	0xa0000000,
+	1
+    },
+    {
+    	0x40000000,
+	5
+    },
+};
+static unsigned int cpu_post_cr_size2 =
+    sizeof (cpu_post_cr_table2) / sizeof (struct cpu_post_cr_s2);
+
+static struct cpu_post_cr_s3 {
+    ulong cr;
+    ulong cs;
+    ulong cd;
+    ulong res;
+} cpu_post_cr_table3[] =
+{
+    {
+    	0x01234567,
+	0,
+	4,
+	0x01230567
+    },
+    {
+    	0x01234567,
+	7,
+	0,
+	0x71234567
+    },
+};
+static unsigned int cpu_post_cr_size3 =
+    sizeof (cpu_post_cr_table3) / sizeof (struct cpu_post_cr_s3);
+
+static struct cpu_post_cr_s4 {
+    ulong cmd;
+    ulong cr;
+    ulong op1;
+    ulong op2;
+    ulong op3;
+    ulong res;
+} cpu_post_cr_table4[] =
+{
+    {
+	OP_CRAND,
+    	0x0000ffff,
+	0,
+	16,
+	0,
+    	0x0000ffff
+    },
+    {
+	OP_CRAND,
+    	0x0000ffff,
+	16,
+	17,
+	0,
+    	0x8000ffff
+    },
+    {
+	OP_CRANDC,
+    	0x0000ffff,
+	0,
+	16,
+	0,
+    	0x0000ffff
+    },
+    {
+	OP_CRANDC,
+    	0x0000ffff,
+	16,
+	0,
+	0,
+    	0x8000ffff
+    },
+    {
+	OP_CROR,
+    	0x0000ffff,
+	0,
+	16,
+	0,
+    	0x8000ffff
+    },
+    {
+	OP_CROR,
+    	0x0000ffff,
+	0,
+	1,
+	0,
+    	0x0000ffff
+    },
+    {
+	OP_CRORC,
+    	0x0000ffff,
+	0,
+	16,
+	0,
+    	0x0000ffff
+    },
+    {
+	OP_CRORC,
+    	0x0000ffff,
+	0,
+	0,
+	0,
+    	0x8000ffff
+    },
+    {
+	OP_CRXOR,
+    	0x0000ffff,
+	0,
+	0,
+	0,
+    	0x0000ffff
+    },
+    {
+	OP_CRXOR,
+    	0x0000ffff,
+	0,
+	16,
+	0,
+    	0x8000ffff
+    },
+    {
+	OP_CRNAND,
+    	0x0000ffff,
+	0,
+	16,
+	0,
+    	0x8000ffff
+    },
+    {
+	OP_CRNAND,
+    	0x0000ffff,
+	16,
+	17,
+	0,
+    	0x0000ffff
+    },
+    {
+	OP_CRNOR,
+    	0x0000ffff,
+	0,
+	16,
+	0,
+    	0x0000ffff
+    },
+    {
+	OP_CRNOR,
+    	0x0000ffff,
+	0,
+	1,
+	0,
+    	0x8000ffff
+    },
+    {
+	OP_CREQV,
+    	0x0000ffff,
+	0,
+	0,
+	0,
+    	0x8000ffff
+    },
+    {
+	OP_CREQV,
+    	0x0000ffff,
+	0,
+	16,
+	0,
+    	0x0000ffff
+    },
+};
+static unsigned int cpu_post_cr_size4 =
+    sizeof (cpu_post_cr_table4) / sizeof (struct cpu_post_cr_s4);
+
+int cpu_post_test_cr (void)
+{
+    int ret = 0;
+    unsigned int i;
+    unsigned long cr_sav;
+
+    asm ( "mfcr %0" : "=r" (cr_sav) : );
+
+    for (i = 0; i < cpu_post_cr_size1 && ret == 0; i++)
+    {
+	ulong cr = cpu_post_cr_table1[i];
+	ulong res;
+
+    	unsigned long code[] =
+	{
+	    ASM_MTCR(3),
+	    ASM_MFCR(3),
+	    ASM_BLR,
+	};
+
+	cpu_post_exec_11 (code, &res, cr);
+
+	ret = res == cr ? 0 : -1;
+
+    	if (ret != 0)
+    	{
+            post_log ("Error at cr1 test %d !\n", i);
+    	}
+    }
+
+    for (i = 0; i < cpu_post_cr_size2 && ret == 0; i++)
+    {
+	struct cpu_post_cr_s2 *test = cpu_post_cr_table2 + i;
+	ulong res;
+	ulong xer;
+
+    	unsigned long code[] =
+	{
+	    ASM_MTXER(3),
+	    ASM_MCRXR(test->cr),
+	    ASM_MFCR(3),
+	    ASM_MFXER(4),
+	    ASM_BLR,
+	};
+
+	cpu_post_exec_21x (code, &res, &xer, test->xer);
+
+	ret = xer == 0 && ((res << (4 * test->cr)) & 0xe0000000) == test->xer ?
+	      0 : -1;
+
+    	if (ret != 0)
+    	{
+            post_log ("Error at cr2 test %d !\n", i);
+    	}
+    }
+
+    for (i = 0; i < cpu_post_cr_size3 && ret == 0; i++)
+    {
+	struct cpu_post_cr_s3 *test = cpu_post_cr_table3 + i;
+	ulong res;
+
+    	unsigned long code[] =
+	{
+	    ASM_MTCR(3),
+	    ASM_MCRF(test->cd, test->cs),
+	    ASM_MFCR(3),
+	    ASM_BLR,
+	};
+
+	cpu_post_exec_11 (code, &res, test->cr);
+
+	ret = res == test->res ? 0 : -1;
+
+    	if (ret != 0)
+    	{
+            post_log ("Error at cr3 test %d !\n", i);
+    	}
+    }
+
+    for (i = 0; i < cpu_post_cr_size4 && ret == 0; i++)
+    {
+	struct cpu_post_cr_s4 *test = cpu_post_cr_table4 + i;
+	ulong res;
+
+    	unsigned long code[] =
+	{
+	    ASM_MTCR(3),
+	    ASM_12F(test->cmd, test->op3, test->op1, test->op2),
+	    ASM_MFCR(3),
+	    ASM_BLR,
+	};
+
+	cpu_post_exec_11 (code, &res, test->cr);
+
+	ret = res == test->res ? 0 : -1;
+
+    	if (ret != 0)
+    	{
+            post_log ("Error at cr4 test %d !\n", i);
+    	}
+    }
+
+    asm ( "mtcr %0" : : "r" (cr_sav));
+
+    return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/three.c b/post/cpu/three.c
new file mode 100644
index 0000000000..c2d7476047
--- /dev/null
+++ b/post/cpu/three.c
@@ -0,0 +1,259 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Ternary instructions		instr rD,rA,rB
+ *
+ * Arithmetic instructions:	add, addc, adde, subf, subfc, subfe,
+ *				mullw, mulhw, mulhwu, divw, divwu
+ *
+ * The test contains a pre-built table of instructions, operands and
+ * expected results. For each table entry, the test will cyclically use
+ * different sets of operand registers and result registers.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1,
+    ulong op2);
+extern ulong cpu_post_makecr (long v);
+
+static struct cpu_post_three_s
+{
+    ulong cmd;
+    ulong op1;
+    ulong op2;
+    ulong res;
+} cpu_post_three_table[] =
+{
+    {
+    	OP_ADD,
+	100,
+	200,
+	300
+    },
+    {
+    	OP_ADD,
+	100,
+	-200,
+	-100
+    },
+    {
+    	OP_ADDC,
+	100,
+	200,
+	300
+    },
+    {
+    	OP_ADDC,
+	100,
+	-200,
+	-100
+    },
+    {
+    	OP_ADDE,
+	100,
+	200,
+	300
+    },
+    {
+    	OP_ADDE,
+	100,
+	-200,
+	-100
+    },
+    {
+    	OP_SUBF,
+	100,
+	200,
+	100
+    },
+    {
+    	OP_SUBF,
+	300,
+	200,
+	-100
+    },
+    {
+    	OP_SUBFC,
+	100,
+	200,
+	100
+    },
+    {
+    	OP_SUBFC,
+	300,
+	200,
+	-100
+    },
+    {
+    	OP_SUBFE,
+	100,
+	200,
+	200 + ~100
+    },
+    {
+    	OP_SUBFE,
+	300,
+	200,
+	200 + ~300
+    },
+    {
+    	OP_MULLW,
+	200,
+	300,
+	200 * 300
+    },
+    {
+    	OP_MULHW,
+	0x10000000,
+	0x10000000,
+	0x1000000
+    },
+    {
+    	OP_MULHWU,
+	0x80000000,
+	0x80000000,
+	0x40000000
+    },
+    {
+    	OP_DIVW,
+	-20,
+	5,
+	-4
+    },
+    {
+    	OP_DIVWU,
+	0x8000,
+	0x200,
+	0x40
+    },
+};
+static unsigned int cpu_post_three_size =
+    sizeof (cpu_post_three_table) / sizeof (struct cpu_post_three_s);
+
+int cpu_post_test_three (void)
+{
+    int ret = 0;
+    unsigned int i, reg;
+    int flag = disable_interrupts();
+
+    for (i = 0; i < cpu_post_three_size && ret == 0; i++)
+    {
+	struct cpu_post_three_s *test = cpu_post_three_table + i;
+
+	for (reg = 0; reg < 32 && ret == 0; reg++)
+	{
+	    unsigned int reg0 = (reg + 0) % 32;
+	    unsigned int reg1 = (reg + 1) % 32;
+	    unsigned int reg2 = (reg + 2) % 32;
+	    unsigned int stk = reg < 16 ? 31 : 15;
+    	    unsigned long code[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -24),
+		ASM_STW(3, stk, 12),
+		ASM_STW(4, stk, 16),
+		ASM_STW(reg0, stk, 8),
+		ASM_STW(reg1, stk, 4),
+		ASM_STW(reg2, stk, 0),
+		ASM_LWZ(reg1, stk, 12),
+		ASM_LWZ(reg0, stk, 16),
+		ASM_12(test->cmd, reg2, reg1, reg0),
+		ASM_STW(reg2, stk, 12),
+		ASM_LWZ(reg2, stk, 0),
+		ASM_LWZ(reg1, stk, 4),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_LWZ(3, stk, 12),
+		ASM_ADDI(1, stk, 24),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+    	    unsigned long codecr[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -24),
+		ASM_STW(3, stk, 12),
+		ASM_STW(4, stk, 16),
+		ASM_STW(reg0, stk, 8),
+		ASM_STW(reg1, stk, 4),
+		ASM_STW(reg2, stk, 0),
+		ASM_LWZ(reg1, stk, 12),
+		ASM_LWZ(reg0, stk, 16),
+		ASM_12(test->cmd, reg2, reg1, reg0) | BIT_C,
+		ASM_STW(reg2, stk, 12),
+		ASM_LWZ(reg2, stk, 0),
+		ASM_LWZ(reg1, stk, 4),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_LWZ(3, stk, 12),
+		ASM_ADDI(1, stk, 24),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+	    ulong res;
+	    ulong cr;
+
+	    if (ret == 0)
+	    {
+ 	    	cr = 0;
+	    	cpu_post_exec_22 (code, & cr, & res, test->op1, test->op2);
+
+	    	ret = res == test->res && cr == 0 ? 0 : -1;
+
+	    	if (ret != 0)
+	    	{
+	            post_log ("Error at three test %d !\n", i);
+	    	}
+	    }
+
+	    if (ret == 0)
+	    {
+	    	cpu_post_exec_22 (codecr, & cr, & res, test->op1, test->op2);
+
+	    	ret = res == test->res &&
+		      (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
+
+	    	if (ret != 0)
+	    	{
+	            post_log ("Error at three test %d !\n", i);
+	        }
+	    }
+	}
+    }
+
+    if (flag)
+    	enable_interrupts();
+
+    return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/threei.c b/post/cpu/threei.c
new file mode 100644
index 0000000000..79f01789c0
--- /dev/null
+++ b/post/cpu/threei.c
@@ -0,0 +1,137 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Ternary instructions		instr rA,rS,UIMM
+ *
+ * Logic instructions:		ori, oris, xori, xoris
+ *
+ * The test contains a pre-built table of instructions, operands and
+ * expected results. For each table entry, the test will cyclically use
+ * different sets of operand registers and result registers.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op);
+extern ulong cpu_post_makecr (long v);
+
+static struct cpu_post_threei_s
+{
+    ulong cmd;
+    ulong op1;
+    ushort op2;
+    ulong res;
+} cpu_post_threei_table[] =
+{
+    {
+    	OP_ORI,
+	0x80000000,
+	0xffff,
+	0x8000ffff
+    },
+    {
+    	OP_ORIS,
+	0x00008000,
+	0xffff,
+	0xffff8000
+    },
+    {
+    	OP_XORI,
+	0x8000ffff,
+	0xffff,
+	0x80000000
+    },
+    {
+    	OP_XORIS,
+	0x00008000,
+	0xffff,
+	0xffff8000
+    },
+};
+static unsigned int cpu_post_threei_size =
+    sizeof (cpu_post_threei_table) / sizeof (struct cpu_post_threei_s);
+
+int cpu_post_test_threei (void)
+{
+    int ret = 0;
+    unsigned int i, reg;
+    int flag = disable_interrupts();
+
+    for (i = 0; i < cpu_post_threei_size && ret == 0; i++)
+    {
+	struct cpu_post_threei_s *test = cpu_post_threei_table + i;
+
+	for (reg = 0; reg < 32 && ret == 0; reg++)
+	{
+	    unsigned int reg0 = (reg + 0) % 32;
+	    unsigned int reg1 = (reg + 1) % 32;
+	    unsigned int stk = reg < 16 ? 31 : 15;
+    	    unsigned long code[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -16),
+		ASM_STW(3, stk, 8),
+		ASM_STW(reg0, stk, 4),
+		ASM_STW(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_11IX(test->cmd, reg1, reg0, test->op2),
+		ASM_STW(reg1, stk, 8),
+		ASM_LWZ(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 4),
+		ASM_LWZ(3, stk, 8),
+		ASM_ADDI(1, stk, 16),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+	    ulong res;
+	    ulong cr;
+
+ 	    cr = 0;
+	    cpu_post_exec_21 (code, & cr, & res, test->op1);
+
+	    ret = res == test->res && cr == 0 ? 0 : -1;
+
+	    if (ret != 0)
+	    {
+	        post_log ("Error at threei test %d !\n", i);
+	    }
+	}
+    }
+
+    if (flag)
+    	enable_interrupts();
+
+    return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/threex.c b/post/cpu/threex.c
new file mode 100644
index 0000000000..2c72063848
--- /dev/null
+++ b/post/cpu/threex.c
@@ -0,0 +1,229 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Ternary instructions		instr rA,rS,rB
+ *
+ * Logic instructions:		or, orc, xor, nand, nor, eqv
+ * Shift instructions:		slw, srw, sraw
+ *
+ * The test contains a pre-built table of instructions, operands and
+ * expected results. For each table entry, the test will cyclically use
+ * different sets of operand registers and result registers.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1,
+    ulong op2);
+extern ulong cpu_post_makecr (long v);
+
+static struct cpu_post_threex_s
+{
+    ulong cmd;
+    ulong op1;
+    ulong op2;
+    ulong res;
+} cpu_post_threex_table[] =
+{
+    {
+    	OP_OR,
+	0x1234,
+	0x5678,
+	0x1234 | 0x5678
+    },
+    {
+    	OP_ORC,
+	0x1234,
+	0x5678,
+	0x1234 | ~0x5678
+    },
+    {
+    	OP_XOR,
+	0x1234,
+	0x5678,
+	0x1234 ^ 0x5678
+    },
+    {
+    	OP_NAND,
+	0x1234,
+	0x5678,
+	~(0x1234 & 0x5678)
+    },
+    {
+    	OP_NOR,
+	0x1234,
+	0x5678,
+	~(0x1234 | 0x5678)
+    },
+    {
+    	OP_EQV,
+	0x1234,
+	0x5678,
+	~(0x1234 ^ 0x5678)
+    },
+    {
+    	OP_SLW,
+	0x80,
+	16,
+	0x800000
+    },
+    {
+    	OP_SLW,
+	0x80,
+	32,
+	0
+    },
+    {
+    	OP_SRW,
+	0x800000,
+	16,
+	0x80
+    },
+    {
+    	OP_SRW,
+	0x800000,
+	32,
+	0
+    },
+    {
+    	OP_SRAW,
+	0x80000000,
+	3,
+	0xf0000000
+    },
+    {
+    	OP_SRAW,
+	0x8000,
+	3,
+	0x1000
+    },
+};
+static unsigned int cpu_post_threex_size =
+    sizeof (cpu_post_threex_table) / sizeof (struct cpu_post_threex_s);
+
+int cpu_post_test_threex (void)
+{
+    int ret = 0;
+    unsigned int i, reg;
+    int flag = disable_interrupts();
+
+    for (i = 0; i < cpu_post_threex_size && ret == 0; i++)
+    {
+	struct cpu_post_threex_s *test = cpu_post_threex_table + i;
+
+	for (reg = 0; reg < 32 && ret == 0; reg++)
+	{
+	    unsigned int reg0 = (reg + 0) % 32;
+	    unsigned int reg1 = (reg + 1) % 32;
+	    unsigned int reg2 = (reg + 2) % 32;
+	    unsigned int stk = reg < 16 ? 31 : 15;
+    	    unsigned long code[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -24),
+		ASM_STW(3, stk, 12),
+		ASM_STW(4, stk, 16),
+		ASM_STW(reg0, stk, 8),
+		ASM_STW(reg1, stk, 4),
+		ASM_STW(reg2, stk, 0),
+		ASM_LWZ(reg1, stk, 12),
+		ASM_LWZ(reg0, stk, 16),
+		ASM_12X(test->cmd, reg2, reg1, reg0),
+		ASM_STW(reg2, stk, 12),
+		ASM_LWZ(reg2, stk, 0),
+		ASM_LWZ(reg1, stk, 4),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_LWZ(3, stk, 12),
+		ASM_ADDI(1, stk, 24),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+    	    unsigned long codecr[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -24),
+		ASM_STW(3, stk, 12),
+		ASM_STW(4, stk, 16),
+		ASM_STW(reg0, stk, 8),
+		ASM_STW(reg1, stk, 4),
+		ASM_STW(reg2, stk, 0),
+		ASM_LWZ(reg1, stk, 12),
+		ASM_LWZ(reg0, stk, 16),
+		ASM_12X(test->cmd, reg2, reg1, reg0) | BIT_C,
+		ASM_STW(reg2, stk, 12),
+		ASM_LWZ(reg2, stk, 0),
+		ASM_LWZ(reg1, stk, 4),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_LWZ(3, stk, 12),
+		ASM_ADDI(1, stk, 24),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+	    ulong res;
+	    ulong cr;
+
+	    if (ret == 0)
+	    {
+ 	    	cr = 0;
+	    	cpu_post_exec_22 (code, & cr, & res, test->op1, test->op2);
+
+	    	ret = res == test->res && cr == 0 ? 0 : -1;
+
+	    	if (ret != 0)
+	    	{
+	            post_log ("Error at threex test %d !\n", i);
+	    	}
+	    }
+
+	    if (ret == 0)
+	    {
+	    	cpu_post_exec_22 (codecr, & cr, & res, test->op1, test->op2);
+
+	    	ret = res == test->res &&
+		      (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
+
+	    	if (ret != 0)
+	    	{
+	            post_log ("Error at threex test %d !\n", i);
+	        }
+	    }
+	}
+    }
+
+    if (flag)
+    	enable_interrupts();
+
+    return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/two.c b/post/cpu/two.c
new file mode 100644
index 0000000000..60757144aa
--- /dev/null
+++ b/post/cpu/two.c
@@ -0,0 +1,176 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Binary instructions		instr rD,rA
+ *
+ * Logic instructions:		neg
+ * Arithmetic instructions:	addme, addze, subfme, subfze
+
+ * The test contains a pre-built table of instructions, operands and
+ * expected results. For each table entry, the test will cyclically use
+ * different sets of operand registers and result registers.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1);
+extern ulong cpu_post_makecr (long v);
+
+static struct cpu_post_two_s
+{
+    ulong cmd;
+    ulong op;
+    ulong res;
+} cpu_post_two_table[] =
+{
+    {
+    	OP_NEG,
+	3,
+	-3
+    },
+    {
+    	OP_NEG,
+	5,
+	-5
+    },
+    {
+        OP_ADDME,
+	6,
+	5
+    },
+    {
+        OP_ADDZE,
+	5,
+	5
+    },
+    {
+        OP_SUBFME,
+	6,
+	~6 - 1
+    },
+    {
+        OP_SUBFZE,
+	5,
+	~5
+    },
+};
+static unsigned int cpu_post_two_size =
+    sizeof (cpu_post_two_table) / sizeof (struct cpu_post_two_s);
+
+int cpu_post_test_two (void)
+{
+    int ret = 0;
+    unsigned int i, reg;
+    int flag = disable_interrupts();
+
+    for (i = 0; i < cpu_post_two_size && ret == 0; i++)
+    {
+	struct cpu_post_two_s *test = cpu_post_two_table + i;
+
+	for (reg = 0; reg < 32 && ret == 0; reg++)
+	{
+	    unsigned int reg0 = (reg + 0) % 32;
+	    unsigned int reg1 = (reg + 1) % 32;
+	    unsigned int stk = reg < 16 ? 31 : 15;
+    	    unsigned long code[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -16),
+		ASM_STW(3, stk, 8),
+		ASM_STW(reg0, stk, 4),
+		ASM_STW(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_11(test->cmd, reg1, reg0),
+		ASM_STW(reg1, stk, 8),
+		ASM_LWZ(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 4),
+		ASM_LWZ(3, stk, 8),
+		ASM_ADDI(1, stk, 16),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+    	    unsigned long codecr[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -16),
+		ASM_STW(3, stk, 8),
+		ASM_STW(reg0, stk, 4),
+		ASM_STW(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_11(test->cmd, reg1, reg0) | BIT_C,
+		ASM_STW(reg1, stk, 8),
+		ASM_LWZ(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 4),
+		ASM_LWZ(3, stk, 8),
+		ASM_ADDI(1, stk, 16),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+	    ulong res;
+	    ulong cr;
+
+	    if (ret == 0)
+	    {
+ 	    	cr = 0;
+	    	cpu_post_exec_21 (code, & cr, & res, test->op);
+
+	    	ret = res == test->res && cr == 0 ? 0 : -1;
+
+	    	if (ret != 0)
+	    	{
+	            post_log ("Error at two test %d !\n", i);
+	    	}
+	    }
+
+	    if (ret == 0)
+	    {
+	    	cpu_post_exec_21 (codecr, & cr, & res, test->op);
+
+	    	ret = res == test->res &&
+		      (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
+
+	    	if (ret != 0)
+	    	{
+	            post_log ("Error at two test %d !\n", i);
+	        }
+	    }
+	}
+    }
+
+    if (flag)
+    	enable_interrupts();
+
+    return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/twox.c b/post/cpu/twox.c
new file mode 100644
index 0000000000..48d9954ca4
--- /dev/null
+++ b/post/cpu/twox.c
@@ -0,0 +1,176 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ * Binary instructions		instr rA,rS
+ *
+ * Logic instructions:		cntlzw
+ * Arithmetic instructions:	extsb, extsh
+
+ * The test contains a pre-built table of instructions, operands and
+ * expected results. For each table entry, the test will cyclically use
+ * different sets of operand registers and result registers.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1);
+extern ulong cpu_post_makecr (long v);
+
+static struct cpu_post_twox_s
+{
+    ulong cmd;
+    ulong op;
+    ulong res;
+} cpu_post_twox_table[] =
+{
+    {
+    	OP_EXTSB,
+	3,
+	3
+    },
+    {
+    	OP_EXTSB,
+	0xff,
+	-1
+    },
+    {
+    	OP_EXTSH,
+	3,
+	3
+    },
+    {
+    	OP_EXTSH,
+	0xff,
+	0xff
+    },
+    {
+    	OP_EXTSH,
+	0xffff,
+	-1
+    },
+    {
+    	OP_CNTLZW,
+	0x000fffff,
+	12
+    },
+};
+static unsigned int cpu_post_twox_size =
+    sizeof (cpu_post_twox_table) / sizeof (struct cpu_post_twox_s);
+
+int cpu_post_test_twox (void)
+{
+    int ret = 0;
+    unsigned int i, reg;
+    int flag = disable_interrupts();
+
+    for (i = 0; i < cpu_post_twox_size && ret == 0; i++)
+    {
+	struct cpu_post_twox_s *test = cpu_post_twox_table + i;
+
+	for (reg = 0; reg < 32 && ret == 0; reg++)
+	{
+	    unsigned int reg0 = (reg + 0) % 32;
+	    unsigned int reg1 = (reg + 1) % 32;
+	    unsigned int stk = reg < 16 ? 31 : 15;
+    	    unsigned long code[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -16),
+		ASM_STW(3, stk, 8),
+		ASM_STW(reg0, stk, 4),
+		ASM_STW(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_11X(test->cmd, reg1, reg0),
+		ASM_STW(reg1, stk, 8),
+		ASM_LWZ(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 4),
+		ASM_LWZ(3, stk, 8),
+		ASM_ADDI(1, stk, 16),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+    	    unsigned long codecr[] =
+	    {
+		ASM_STW(stk, 1, -4),
+		ASM_ADDI(stk, 1, -16),
+		ASM_STW(3, stk, 8),
+		ASM_STW(reg0, stk, 4),
+		ASM_STW(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 8),
+		ASM_11X(test->cmd, reg1, reg0) | BIT_C,
+		ASM_STW(reg1, stk, 8),
+		ASM_LWZ(reg1, stk, 0),
+		ASM_LWZ(reg0, stk, 4),
+		ASM_LWZ(3, stk, 8),
+		ASM_ADDI(1, stk, 16),
+		ASM_LWZ(stk, 1, -4),
+		ASM_BLR,
+	    };
+	    ulong res;
+	    ulong cr;
+
+	    if (ret == 0)
+	    {
+ 	    	cr = 0;
+	    	cpu_post_exec_21 (code, & cr, & res, test->op);
+
+	    	ret = res == test->res && cr == 0 ? 0 : -1;
+
+	    	if (ret != 0)
+	    	{
+	            post_log ("Error at twox test %d !\n", i);
+	    	}
+	    }
+
+	    if (ret == 0)
+	    {
+	    	cpu_post_exec_21 (codecr, & cr, & res, test->op);
+
+	    	ret = res == test->res &&
+		      (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
+
+	    	if (ret != 0)
+	    	{
+	            post_log ("Error at twox test %d !\n", i);
+	        }
+	    }
+	}
+    }
+
+    if (flag)
+    	enable_interrupts();
+
+    return ret;
+}
+
+#endif
+#endif