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-rw-r--r--post/cpu/andi.c123
-rw-r--r--post/cpu/asm.S346
-rw-r--r--post/cpu/complex.c126
-rw-r--r--post/cpu/load.c255
-rw-r--r--post/cpu/multi.c81
-rw-r--r--post/cpu/rlwimi.c162
-rw-r--r--post/cpu/rlwinm.c155
-rw-r--r--post/cpu/rlwnm.c165
-rw-r--r--post/cpu/srawi.c156
-rw-r--r--post/cpu/store.c235
-rw-r--r--post/cpu/string.c106
11 files changed, 1910 insertions, 0 deletions
diff --git a/post/cpu/andi.c b/post/cpu/andi.c
new file mode 100644
index 0000000000..7ddf2ab2f3
--- /dev/null
+++ b/post/cpu/andi.c
@@ -0,0 +1,123 @@
+/*
+ * (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
+ * Logic instructions: andi., andis.
+ *
+ * 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_andi_s
+{
+ ulong cmd;
+ ulong op1;
+ ushort op2;
+ ulong res;
+} cpu_post_andi_table[] =
+{
+ {
+ OP_ANDI_,
+ 0x80008000,
+ 0xffff,
+ 0x00008000
+ },
+ {
+ OP_ANDIS_,
+ 0x80008000,
+ 0xffff,
+ 0x80000000
+ },
+};
+static unsigned int cpu_post_andi_size =
+ sizeof (cpu_post_andi_table) / sizeof (struct cpu_post_andi_s);
+
+int cpu_post_test_andi (void)
+{
+ int ret = 0;
+ unsigned int i, reg;
+ int flag = disable_interrupts();
+
+ for (i = 0; i < cpu_post_andi_size && ret == 0; i++)
+ {
+ struct cpu_post_andi_s *test = cpu_post_andi_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 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_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;
+
+ cpu_post_exec_21 (codecr, & cr, & res, test->op1);
+
+ ret = res == test->res &&
+ (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
+
+ if (ret != 0)
+ {
+ post_log ("Error at andi test %d !\n", i);
+ }
+ }
+ }
+
+ if (flag)
+ enable_interrupts();
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/asm.S b/post/cpu/asm.S
new file mode 100644
index 0000000000..a0815a43a7
--- /dev/null
+++ b/post/cpu/asm.S
@@ -0,0 +1,346 @@
+/*
+ * Copyright (C) 2002 Wolfgang Denk <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 <config.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+
+#if CONFIG_POST & CFG_POST_CPU
+
+/* void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2); */
+ .global cpu_post_exec_02
+cpu_post_exec_02:
+ mflr r0
+ stwu r0, -4(r1)
+
+ subi r1, r1, 104
+ stmw r6, 0(r1)
+
+ mtlr r3
+ mr r3, r4
+ mr r4, r5
+ blrl
+
+ lmw r6, 0(r1)
+ addi r1, r1, 104
+
+ lwz r0, 0(r1)
+ addi r1, r1, 4
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3, ulong op4); */
+ .global cpu_post_exec_04
+cpu_post_exec_04:
+ mflr r0
+ stwu r0, -4(r1)
+
+ subi r1, r1, 96
+ stmw r8, 0(r1)
+
+ mtlr r3
+ mr r3, r4
+ mr r4, r5
+ mr r5, r6
+ mtxer r7
+ blrl
+
+ lmw r8, 0(r1)
+ addi r1, r1, 96
+
+ lwz r0, 0(r1)
+ addi r1, r1, 4
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2); */
+ .global cpu_post_exec_12
+cpu_post_exec_12:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+
+ mtlr r3
+ mr r3, r5
+ mr r4, r6
+ blrl
+
+ lwz r4, 0(r1)
+ stw r3, 0(r4)
+
+ lwz r0, 4(r1)
+ addi r1, r1, 8
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1); */
+ .global cpu_post_exec_11
+cpu_post_exec_11:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+
+ mtlr r3
+ mr r3, r5
+ blrl
+
+ lwz r4, 0(r1)
+ stw r3, 0(r4)
+
+ lwz r0, 4(r1)
+ addi r1, r1, 8
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1); */
+ .global cpu_post_exec_21
+cpu_post_exec_21:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+ stwu r5, -4(r1)
+
+ li r0, 0
+ mtxer r0
+ lwz r0, 0(r4)
+ mtcr r0
+
+ mtlr r3
+ mr r3, r6
+ blrl
+
+ mfcr r0
+ lwz r4, 4(r1)
+ stw r0, 0(r4)
+ lwz r4, 0(r1)
+ stw r3, 0(r4)
+
+ lwz r0, 8(r1)
+ addi r1, r1, 12
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1,
+ ulong op2); */
+ .global cpu_post_exec_22
+cpu_post_exec_22:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+ stwu r5, -4(r1)
+
+ li r0, 0
+ mtxer r0
+ lwz r0, 0(r4)
+ mtcr r0
+
+ mtlr r3
+ mr r3, r6
+ mr r4, r7
+ blrl
+
+ mfcr r0
+ lwz r4, 4(r1)
+ stw r0, 0(r4)
+ lwz r4, 0(r1)
+ stw r3, 0(r4)
+
+ lwz r0, 8(r1)
+ addi r1, r1, 12
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_12w (ulong *code, ulong *op1, ulong op2, ulong op3); */
+ .global cpu_post_exec_12w
+cpu_post_exec_12w:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+
+ mtlr r3
+ lwz r3, 0(r4)
+ mr r4, r5
+ mr r5, r6
+ blrl
+
+ lwz r4, 0(r1)
+ stw r3, 0(r4)
+
+ lwz r0, 4(r1)
+ addi r1, r1, 8
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_11w (ulong *code, ulong *op1, ulong op2); */
+ .global cpu_post_exec_11w
+cpu_post_exec_11w:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+
+ mtlr r3
+ lwz r3, 0(r4)
+ mr r4, r5
+ blrl
+
+ lwz r4, 0(r1)
+ stw r3, 0(r4)
+
+ lwz r0, 4(r1)
+ addi r1, r1, 8
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_22w (ulong *code, ulong *op1, ulong op2, ulong *op3); */
+ .global cpu_post_exec_22w
+cpu_post_exec_22w:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+ stwu r6, -4(r1)
+
+ mtlr r3
+ lwz r3, 0(r4)
+ mr r4, r5
+ blrl
+
+ lwz r4, 4(r1)
+ stw r3, 0(r4)
+ lwz r4, 0(r1)
+ stw r5, 0(r4)
+
+ lwz r0, 8(r1)
+ addi r1, r1, 12
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_21w (ulong *code, ulong *op1, ulong *op2); */
+ .global cpu_post_exec_21w
+cpu_post_exec_21w:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+ stwu r5, -4(r1)
+
+ mtlr r3
+ lwz r3, 0(r4)
+ blrl
+
+ lwz r5, 4(r1)
+ stw r3, 0(r5)
+ lwz r5, 0(r1)
+ stw r4, 0(r5)
+
+ lwz r0, 8(r1)
+ addi r1, r1, 12
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_21x (ulong *code, ulong *op1, ulong *op2, ulong op3); */
+ .global cpu_post_exec_21x
+cpu_post_exec_21x:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+ stwu r5, -4(r1)
+
+ mtlr r3
+ mr r3, r6
+ blrl
+
+ lwz r5, 4(r1)
+ stw r3, 0(r5)
+ lwz r5, 0(r1)
+ stw r4, 0(r5)
+
+ lwz r0, 8(r1)
+ addi r1, r1, 12
+ mtlr r0
+ blr
+
+/* void cpu_post_exec_31 (ulong *code, ulong *ctr, ulong *lr, ulong *jump,
+ ulong cr); */
+ .global cpu_post_exec_31
+cpu_post_exec_31:
+ mflr r0
+ stwu r0, -4(r1)
+ stwu r4, -4(r1)
+ stwu r5, -4(r1)
+ stwu r6, -4(r1)
+
+ mtlr r3
+ lwz r3, 0(r4)
+ lwz r4, 0(r5)
+ mr r6, r7
+ blrl
+
+ lwz r7, 8(r1)
+ stw r3, 0(r7)
+ lwz r7, 4(r1)
+ stw r4, 0(r7)
+ lwz r7, 0(r1)
+ stw r5, 0(r7)
+
+ lwz r0, 12(r1)
+ addi r1, r1, 16
+ mtlr r0
+ blr
+
+/* int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n); */
+ .global cpu_post_complex_1_asm
+cpu_post_complex_1_asm:
+ li r9,0
+ cmpw r9,r7
+ bge cpu_post_complex_1_done
+ mtctr r7
+cpu_post_complex_1_loop:
+ mullw r0,r3,r4
+ subf r0,r5,r0
+ divw r0,r0,r6
+ add r9,r9,r0
+ bdnz cpu_post_complex_1_loop
+cpu_post_complex_1_done:
+ mr r3,r9
+ blr
+
+/* int cpu_post_complex_2_asm (int x, int n); */
+ .global cpu_post_complex_2_asm
+cpu_post_complex_2_asm:
+ mr. r0,r4
+ mtctr r0
+ mr r0,r3
+ li r3,1
+ li r4,1
+ blelr
+cpu_post_complex_2_loop:
+ mullw r3,r3,r0
+ add r3,r3,r4
+ bdnz cpu_post_complex_2_loop
+blr
+
+#endif
+#endif
diff --git a/post/cpu/complex.c b/post/cpu/complex.c
new file mode 100644
index 0000000000..dc8b08003a
--- /dev/null
+++ b/post/cpu/complex.c
@@ -0,0 +1,126 @@
+/*
+ * (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
+ * Complex calculations
+ *
+ * The calculations in this test are just a combination of simpler
+ * calculations, but probably under different timing conditions, etc.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n);
+extern int cpu_post_complex_2_asm (int x, int n);
+
+ /*
+ * n
+ * SUM (a1 * a2 - a3) / a4 = n * result
+ * i=1
+ */
+static int cpu_post_test_complex_1 (void)
+{
+ int a1 = 666;
+ int a2 = 667;
+ int a3 = 668;
+ int a4 = 66;
+ int n = 100;
+ int result = 6720; /* (a1 * a2 - a3) / a4 */
+
+ if (cpu_post_complex_1_asm(a1, a2, a3, a4, n) != n * result)
+ {
+ return -1;
+ }
+
+ return 0;
+}
+
+ /* (1 + x + x^2 + ... + x^n) * (1 - x) = 1 - x^(n+1)
+ */
+static int cpu_post_test_complex_2 (void)
+{
+ int ret = -1;
+ int x;
+ int n;
+ int k;
+ int left;
+ int right;
+
+ for (x = -8; x <= 8; x ++)
+ {
+ n = 9;
+
+ left = cpu_post_complex_2_asm(x, n);
+ left *= 1 - x;
+
+ right = 1;
+ for (k = 0; k <= n; k ++)
+ {
+ right *= x;
+ }
+ right = 1 - right;
+
+ if (left != right)
+ {
+ goto Done;
+ }
+ }
+
+ ret = 0;
+ Done:
+
+ return ret;
+}
+
+int cpu_post_test_complex (void)
+{
+ int ret = 0;
+
+ if (ret == 0)
+ {
+ ret = cpu_post_test_complex_1();
+ }
+
+ if (ret == 0)
+ {
+ ret = cpu_post_test_complex_2();
+ }
+
+ if (ret != 0)
+ {
+ post_log ("Error at complex test !\n");
+ }
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/load.c b/post/cpu/load.c
new file mode 100644
index 0000000000..b3418ef15e
--- /dev/null
+++ b/post/cpu/load.c
@@ -0,0 +1,255 @@
+/*
+ * (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
+ * Load instructions: lbz(x)(u), lhz(x)(u), lha(x)(u), lwz(x)(u)
+ *
+ * All operations are performed on a 16-byte array. The array
+ * is 4-byte aligned. The base register points to offset 8.
+ * The immediate offset (index register) ranges in [-8 ... +7].
+ * The test cases are composed so that they do not
+ * cause alignment exceptions.
+ * The test contains a pre-built table describing all test cases.
+ * The table entry contains:
+ * the instruction opcode, the array contents, the value of the index
+ * register and the expected value of the destination register.
+ * After executing the instruction, the test verifies the
+ * value of the destination register and the value of the base
+ * register (it must change for "load with update" instructions).
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_22w (ulong *code, ulong *op1, ulong op2, ulong *op3);
+extern void cpu_post_exec_21w (ulong *code, ulong *op1, ulong *op2);
+
+static struct cpu_post_load_s
+{
+ ulong cmd;
+ uint width;
+ int update;
+ int index;
+ ulong offset;
+} cpu_post_load_table[] =
+{
+ {
+ OP_LWZ,
+ 4,
+ 0,
+ 0,
+ 4
+ },
+ {
+ OP_LHA,
+ 3,
+ 0,
+ 0,
+ 2
+ },
+ {
+ OP_LHZ,
+ 2,
+ 0,
+ 0,
+ 2
+ },
+ {
+ OP_LBZ,
+ 1,
+ 0,
+ 0,
+ 1
+ },
+ {
+ OP_LWZU,
+ 4,
+ 1,
+ 0,
+ 4
+ },
+ {
+ OP_LHAU,
+ 3,
+ 1,
+ 0,
+ 2
+ },
+ {
+ OP_LHZU,
+ 2,
+ 1,
+ 0,
+ 2
+ },
+ {
+ OP_LBZU,
+ 1,
+ 1,
+ 0,
+ 1
+ },
+ {
+ OP_LWZX,
+ 4,
+ 0,
+ 1,
+ 4
+ },
+ {
+ OP_LHAX,
+ 3,
+ 0,
+ 1,
+ 2
+ },
+ {
+ OP_LHZX,
+ 2,
+ 0,
+ 1,
+ 2
+ },
+ {
+ OP_LBZX,
+ 1,
+ 0,
+ 1,
+ 1
+ },
+ {
+ OP_LWZUX,
+ 4,
+ 1,
+ 1,
+ 4
+ },
+ {
+ OP_LHAUX,
+ 3,
+ 1,
+ 1,
+ 2
+ },
+ {
+ OP_LHZUX,
+ 2,
+ 1,
+ 1,
+ 2
+ },
+ {
+ OP_LBZUX,
+ 1,
+ 1,
+ 1,
+ 1
+ },
+};
+static unsigned int cpu_post_load_size =
+ sizeof (cpu_post_load_table) / sizeof (struct cpu_post_load_s);
+
+int cpu_post_test_load (void)
+{
+ int ret = 0;
+ unsigned int i;
+
+ for (i = 0; i < cpu_post_load_size && ret == 0; i++)
+ {
+ struct cpu_post_load_s *test = cpu_post_load_table + i;
+ uchar data[16] =
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
+ ulong base0 = (ulong) (data + 8);
+ ulong base = base0;
+ ulong value;
+
+ if (test->index)
+ {
+ ulong code[] =
+ {
+ ASM_12(test->cmd, 5, 3, 4),
+ ASM_BLR,
+ };
+
+ cpu_post_exec_22w (code, &base, test->offset, &value);
+ }
+ else
+ {
+ ulong code[] =
+ {
+ ASM_11I(test->cmd, 4, 3, test->offset),
+ ASM_BLR,
+ };
+
+ cpu_post_exec_21w (code, &base, &value);
+ }
+
+ if (ret == 0)
+ {
+ if (test->update)
+ ret = base == base0 + test->offset ? 0 : -1;
+ else
+ ret = base == base0 ? 0 : -1;
+ }
+
+ if (ret == 0)
+ {
+ switch (test->width)
+ {
+ case 1:
+ ret = *(uchar *)(base0 + test->offset) == value ?
+ 0 : -1;
+ break;
+ case 2:
+ ret = *(ushort *)(base0 + test->offset) == value ?
+ 0 : -1;
+ break;
+ case 3:
+ ret = *(short *)(base0 + test->offset) == value ?
+ 0 : -1;
+ break;
+ case 4:
+ ret = *(ulong *)(base0 + test->offset) == value ?
+ 0 : -1;
+ break;
+ }
+ }
+
+ if (ret != 0)
+ {
+ post_log ("Error at load test %d !\n", i);
+ }
+ }
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/multi.c b/post/cpu/multi.c
new file mode 100644
index 0000000000..bdad5d9ed1
--- /dev/null
+++ b/post/cpu/multi.c
@@ -0,0 +1,81 @@
+/*
+ * (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
+ * Load/store multiple word instructions: lmw, stmw
+ *
+ * 26 consecutive words are loaded from a source memory buffer
+ * into GPRs r6 through r31. After that, 26 consecutive words are stored
+ * from the GPRs r6 through r31 into a target memory buffer. The contents
+ * of the source and target buffers are then compared.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2);
+
+int cpu_post_test_multi (void)
+{
+ int ret = 0;
+ unsigned int i;
+
+ if (ret == 0)
+ {
+ ulong src [26], dst [26];
+
+ ulong code[] =
+ {
+ ASM_LMW(5, 3, 0),
+ ASM_STMW(5, 4, 0),
+ ASM_BLR,
+ };
+
+ for (i = 0; i < sizeof(src) / sizeof(src[0]); i ++)
+ {
+ src[i] = i;
+ dst[i] = 0;
+ }
+
+ cpu_post_exec_02(code, (ulong)src, (ulong)dst);
+
+ ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
+ }
+
+ if (ret != 0)
+ {
+ post_log ("Error at multi test !\n");
+ }
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/rlwimi.c b/post/cpu/rlwimi.c
new file mode 100644
index 0000000000..f65f79a8e8
--- /dev/null
+++ b/post/cpu/rlwimi.c
@@ -0,0 +1,162 @@
+/*
+ * (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
+ * Shift instructions: rlwimi
+ *
+ * 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_rlwimi_s
+{
+ ulong cmd;
+ ulong op0;
+ ulong op1;
+ uchar op2;
+ uchar mb;
+ uchar me;
+ ulong res;
+} cpu_post_rlwimi_table[] =
+{
+ {
+ OP_RLWIMI,
+ 0xff00ffff,
+ 0x0000aa00,
+ 8,
+ 8,
+ 15,
+ 0xffaaffff
+ },
+};
+static unsigned int cpu_post_rlwimi_size =
+ sizeof (cpu_post_rlwimi_table) / sizeof (struct cpu_post_rlwimi_s);
+
+int cpu_post_test_rlwimi (void)
+{
+ int ret = 0;
+ unsigned int i, reg;
+ int flag = disable_interrupts();
+
+ for (i = 0; i < cpu_post_rlwimi_size && ret == 0; i++)
+ {
+ struct cpu_post_rlwimi_s *test = cpu_post_rlwimi_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, -20),
+ ASM_STW(3, stk, 8),
+ ASM_STW(4, stk, 12),
+ ASM_STW(reg0, stk, 4),
+ ASM_STW(reg1, stk, 0),
+ ASM_LWZ(reg1, stk, 8),
+ ASM_LWZ(reg0, stk, 12),
+ ASM_113(test->cmd, reg1, reg0, test->op2, test->mb, test->me),
+ ASM_STW(reg1, stk, 8),
+ ASM_LWZ(reg1, stk, 0),
+ ASM_LWZ(reg0, stk, 4),
+ ASM_LWZ(3, stk, 8),
+ ASM_ADDI(1, stk, 20),
+ ASM_LWZ(stk, 1, -4),
+ ASM_BLR,
+ };
+ unsigned long codecr[] =
+ {
+ ASM_STW(stk, 1, -4),
+ ASM_ADDI(stk, 1, -20),
+ ASM_STW(3, stk, 8),
+ ASM_STW(4, stk, 12),
+ ASM_STW(reg0, stk, 4),
+ ASM_STW(reg1, stk, 0),
+ ASM_LWZ(reg1, stk, 8),
+ ASM_LWZ(reg0, stk, 12),
+ ASM_113(test->cmd, reg1, reg0, test->op2, test->mb, test->me) |
+ 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, 20),
+ ASM_LWZ(stk, 1, -4),
+ ASM_BLR,
+ };
+ ulong res;
+ ulong cr;
+
+ if (ret == 0)
+ {
+ cr = 0;
+ cpu_post_exec_22 (code, & cr, & res, test->op0, test->op1);
+
+ ret = res == test->res && cr == 0 ? 0 : -1;
+
+ if (ret != 0)
+ {
+ post_log ("Error at rlwimi test %d !\n", i);
+ }
+ }
+
+ if (ret == 0)
+ {
+ cpu_post_exec_22 (codecr, & cr, & res, test->op0, test->op1);
+
+ ret = res == test->res &&
+ (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
+
+ if (ret != 0)
+ {
+ post_log ("Error at rlwimi test %d !\n", i);
+ }
+ }
+ }
+ }
+
+ if (flag)
+ enable_interrupts();
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/rlwinm.c b/post/cpu/rlwinm.c
new file mode 100644
index 0000000000..e240c41b1a
--- /dev/null
+++ b/post/cpu/rlwinm.c
@@ -0,0 +1,155 @@
+/*
+ * (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
+ * Shift instructions: rlwinm
+ *
+ * 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_rlwinm_s
+{
+ ulong cmd;
+ ulong op1;
+ uchar op2;
+ uchar mb;
+ uchar me;
+ ulong res;
+} cpu_post_rlwinm_table[] =
+{
+ {
+ OP_RLWINM,
+ 0xffff0000,
+ 24,
+ 16,
+ 23,
+ 0x0000ff00
+ },
+};
+static unsigned int cpu_post_rlwinm_size =
+ sizeof (cpu_post_rlwinm_table) / sizeof (struct cpu_post_rlwinm_s);
+
+int cpu_post_test_rlwinm (void)
+{
+ int ret = 0;
+ unsigned int i, reg;
+ int flag = disable_interrupts();
+
+ for (i = 0; i < cpu_post_rlwinm_size && ret == 0; i++)
+ {
+ struct cpu_post_rlwinm_s *test = cpu_post_rlwinm_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_113(test->cmd, reg1, reg0, test->op2, test->mb, test->me),
+ 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_113(test->cmd, reg1, reg0, test->op2, test->mb,
+ test->me) | 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->op1);
+
+ ret = res == test->res && cr == 0 ? 0 : -1;
+
+ if (ret != 0)
+ {
+ post_log ("Error at rlwinm test %d !\n", i);
+ }
+ }
+
+ if (ret == 0)
+ {
+ cpu_post_exec_21 (codecr, & cr, & res, test->op1);
+
+ ret = res == test->res &&
+ (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
+
+ if (ret != 0)
+ {
+ post_log ("Error at rlwinm test %d !\n", i);
+ }
+ }
+ }
+ }
+
+ if (flag)
+ enable_interrupts();
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/rlwnm.c b/post/cpu/rlwnm.c
new file mode 100644
index 0000000000..523cf4da59
--- /dev/null
+++ b/post/cpu/rlwnm.c
@@ -0,0 +1,165 @@
+/*
+ * (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
+ * Shift instructions: rlwnm
+ *
+ * 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_rlwnm_s
+{
+ ulong cmd;
+ ulong op1;
+ ulong op2;
+ uchar mb;
+ uchar me;
+ ulong res;
+} cpu_post_rlwnm_table[] =
+{
+ {
+ OP_RLWNM,
+ 0xffff0000,
+ 24,
+ 16,
+ 23,
+ 0x0000ff00
+ },
+};
+static unsigned int cpu_post_rlwnm_size =
+ sizeof (cpu_post_rlwnm_table) / sizeof (struct cpu_post_rlwnm_s);
+
+int cpu_post_test_rlwnm (void)
+{
+ int ret = 0;
+ unsigned int i, reg;
+ int flag = disable_interrupts();
+
+ for (i = 0; i < cpu_post_rlwnm_size && ret == 0; i++)
+ {
+ struct cpu_post_rlwnm_s *test = cpu_post_rlwnm_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_122(test->cmd, reg2, reg1, reg0, test->mb, test->me),
+ 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_122(test->cmd, reg2, reg1, reg0, test->mb, test->me) |
+ 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 rlwnm 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 rlwnm test %d !\n", i);
+ }
+ }
+ }
+ }
+
+ if (flag)
+ enable_interrupts();
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/srawi.c b/post/cpu/srawi.c
new file mode 100644
index 0000000000..91c82c915f
--- /dev/null
+++ b/post/cpu/srawi.c
@@ -0,0 +1,156 @@
+/*
+ * (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
+ * Shift instructions: srawi
+ *
+ * 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_srawi_s
+{
+ ulong cmd;
+ ulong op1;
+ uchar op2;
+ ulong res;
+} cpu_post_srawi_table[] =
+{
+ {
+ OP_SRAWI,
+ 0x8000,
+ 3,
+ 0x1000
+ },
+ {
+ OP_SRAWI,
+ 0x80000000,
+ 3,
+ 0xf0000000
+ },
+};
+static unsigned int cpu_post_srawi_size =
+ sizeof (cpu_post_srawi_table) / sizeof (struct cpu_post_srawi_s);
+
+int cpu_post_test_srawi (void)
+{
+ int ret = 0;
+ unsigned int i, reg;
+ int flag = disable_interrupts();
+
+ for (i = 0; i < cpu_post_srawi_size && ret == 0; i++)
+ {
+ struct cpu_post_srawi_s *test = cpu_post_srawi_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_11S(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,
+ };
+ 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_11S(test->cmd, reg1, reg0, test->op2) | 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->op1);
+
+ ret = res == test->res && cr == 0 ? 0 : -1;
+
+ if (ret != 0)
+ {
+ post_log ("Error at srawi test %d !\n", i);
+ }
+ }
+
+ if (ret == 0)
+ {
+ cpu_post_exec_21 (codecr, & cr, & res, test->op1);
+
+ ret = res == test->res &&
+ (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
+
+ if (ret != 0)
+ {
+ post_log ("Error at srawi test %d !\n", i);
+ }
+ }
+ }
+ }
+
+ if (flag)
+ enable_interrupts();
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/store.c b/post/cpu/store.c
new file mode 100644
index 0000000000..e5189c7397
--- /dev/null
+++ b/post/cpu/store.c
@@ -0,0 +1,235 @@
+/*
+ * (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
+ * Store instructions: stb(x)(u), sth(x)(u), stw(x)(u)
+ *
+ * All operations are performed on a 16-byte array. The array
+ * is 4-byte aligned. The base register points to offset 8.
+ * The immediate offset (index register) ranges in [-8 ... +7].
+ * The test cases are composed so that they do not
+ * cause alignment exceptions.
+ * The test contains a pre-built table describing all test cases.
+ * The table entry contains:
+ * the instruction opcode, the value of the index register and
+ * the value of the source register. After executing the
+ * instruction, the test verifies the contents of the array
+ * and the value of the base register (it must change for "store
+ * with update" instructions).
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_12w (ulong *code, ulong *op1, ulong op2, ulong op3);
+extern void cpu_post_exec_11w (ulong *code, ulong *op1, ulong op2);
+
+static struct cpu_post_store_s
+{
+ ulong cmd;
+ uint width;
+ int update;
+ int index;
+ ulong offset;
+ ulong value;
+} cpu_post_store_table[] =
+{
+ {
+ OP_STW,
+ 4,
+ 0,
+ 0,
+ -4,
+ 0xff00ff00
+ },
+ {
+ OP_STH,
+ 2,
+ 0,
+ 0,
+ -2,
+ 0xff00
+ },
+ {
+ OP_STB,
+ 1,
+ 0,
+ 0,
+ -1,
+ 0xff
+ },
+ {
+ OP_STWU,
+ 4,
+ 1,
+ 0,
+ -4,
+ 0xff00ff00
+ },
+ {
+ OP_STHU,
+ 2,
+ 1,
+ 0,
+ -2,
+ 0xff00
+ },
+ {
+ OP_STBU,
+ 1,
+ 1,
+ 0,
+ -1,
+ 0xff
+ },
+ {
+ OP_STWX,
+ 4,
+ 0,
+ 1,
+ -4,
+ 0xff00ff00
+ },
+ {
+ OP_STHX,
+ 2,
+ 0,
+ 1,
+ -2,
+ 0xff00
+ },
+ {
+ OP_STBX,
+ 1,
+ 0,
+ 1,
+ -1,
+ 0xff
+ },
+ {
+ OP_STWUX,
+ 4,
+ 1,
+ 1,
+ -4,
+ 0xff00ff00
+ },
+ {
+ OP_STHUX,
+ 2,
+ 1,
+ 1,
+ -2,
+ 0xff00
+ },
+ {
+ OP_STBUX,
+ 1,
+ 1,
+ 1,
+ -1,
+ 0xff
+ },
+};
+static unsigned int cpu_post_store_size =
+ sizeof (cpu_post_store_table) / sizeof (struct cpu_post_store_s);
+
+int cpu_post_test_store (void)
+{
+ int ret = 0;
+ unsigned int i;
+
+ for (i = 0; i < cpu_post_store_size && ret == 0; i++)
+ {
+ struct cpu_post_store_s *test = cpu_post_store_table + i;
+ uchar data[16] =
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
+ ulong base0 = (ulong) (data + 8);
+ ulong base = base0;
+
+ if (test->index)
+ {
+ ulong code[] =
+ {
+ ASM_12(test->cmd, 5, 3, 4),
+ ASM_BLR,
+ };
+
+ cpu_post_exec_12w (code, &base, test->offset, test->value);
+ }
+ else
+ {
+ ulong code[] =
+ {
+ ASM_11I(test->cmd, 4, 3, test->offset),
+ ASM_BLR,
+ };
+
+ cpu_post_exec_11w (code, &base, test->value);
+ }
+
+ if (ret == 0)
+ {
+ if (test->update)
+ ret = base == base0 + test->offset ? 0 : -1;
+ else
+ ret = base == base0 ? 0 : -1;
+ }
+
+ if (ret == 0)
+ {
+ switch (test->width)
+ {
+ case 1:
+ ret = *(uchar *)(base0 + test->offset) == test->value ?
+ 0 : -1;
+ break;
+ case 2:
+ ret = *(ushort *)(base0 + test->offset) == test->value ?
+ 0 : -1;
+ break;
+ case 4:
+ ret = *(ulong *)(base0 + test->offset) == test->value ?
+ 0 : -1;
+ break;
+ }
+ }
+
+ if (ret != 0)
+ {
+ post_log ("Error at store test %d !\n", i);
+ }
+ }
+
+ return ret;
+}
+
+#endif
+#endif
diff --git a/post/cpu/string.c b/post/cpu/string.c
new file mode 100644
index 0000000000..a19a7550a4
--- /dev/null
+++ b/post/cpu/string.c
@@ -0,0 +1,106 @@
+/*
+ * (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
+ * Load/store string instructions: lswi, stswi, lswx, stswx
+ *
+ * Several consecutive bytes from a source memory buffer are loaded
+ * left to right into GPRs. After that, the bytes are stored
+ * from the GPRs into a target memory buffer. The contents
+ * of the source and target buffers are then compared.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include "cpu_asm.h"
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2);
+extern void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3,
+ ulong op4);
+
+#include <bedbug/regs.h>
+int cpu_post_test_string (void)
+{
+ int ret = 0;
+ unsigned int i;
+
+ if (ret == 0)
+ {
+ char src [31], dst [31];
+
+ ulong code[] =
+ {
+ ASM_LSWI(5, 3, 31),
+ ASM_STSWI(5, 4, 31),
+ ASM_BLR,
+ };
+
+ for (i = 0; i < sizeof(src); i ++)
+ {
+ src[i] = (char) i;
+ dst[i] = 0;
+ }
+
+ cpu_post_exec_02(code, (ulong)src, (ulong)dst);
+
+ ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
+ }
+
+ if (ret == 0)
+ {
+ char src [95], dst [95];
+
+ ulong code[] =
+ {
+ ASM_LSWX(8, 3, 5),
+ ASM_STSWX(8, 4, 5),
+ ASM_BLR,
+ };
+
+ for (i = 0; i < sizeof(src); i ++)
+ {
+ src[i] = (char) i;
+ dst[i] = 0;
+ }
+
+ cpu_post_exec_04(code, (ulong)src, (ulong)dst, 0, sizeof(src));
+
+ ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
+ }
+
+ if (ret != 0)
+ {
+ post_log ("Error at string test !\n");
+ }
+
+ return ret;
+}
+
+#endif
+#endif
generated by cgit (git 2.34.1) at 2024-12-24 05:21:23 +0000