diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/post/lib_powerpc/three.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/post/lib_powerpc/three.c')
-rw-r--r-- | qemu/roms/u-boot/post/lib_powerpc/three.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/post/lib_powerpc/three.c b/qemu/roms/u-boot/post/lib_powerpc/three.c new file mode 100644 index 000000000..c3e7f681a --- /dev/null +++ b/qemu/roms/u-boot/post/lib_powerpc/three.c @@ -0,0 +1,239 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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. + */ + +#include <post.h> +#include "cpu_asm.h" + +#if CONFIG_POST & CONFIG_SYS_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 = ARRAY_SIZE(cpu_post_three_table); + +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 |