231 lines
2.9 KiB
ArmAsm
231 lines
2.9 KiB
ArmAsm
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Email: opensource_embedded@phytium.com.cn
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2023-07-26 huanghe first commit
|
|
*
|
|
*/
|
|
|
|
#include "fparameters.h"
|
|
|
|
#ifndef __aarch64__
|
|
.globl cpu_id_mapping
|
|
cpu_id_mapping:
|
|
#if defined(TARGET_E2000Q)
|
|
cmp r0, #0 // compare cpu_id with 0
|
|
beq map_cpu_id_0
|
|
cmp r0, #1 // compare cpu_id with 1
|
|
beq map_cpu_id_1
|
|
cmp r0, #2 // compare cpu_id with 2
|
|
beq map_cpu_id_2
|
|
cmp r0, #3 // compare cpu_id with 3
|
|
beq map_cpu_id_3
|
|
mov pc, lr // no mapping needed
|
|
#endif
|
|
mov pc, lr // no mapping needed
|
|
|
|
// Mapping for E2000Q
|
|
map_cpu_id_0:
|
|
mov r0, #2
|
|
mov pc, lr
|
|
|
|
map_cpu_id_1:
|
|
mov r0, #3
|
|
mov pc, lr
|
|
|
|
map_cpu_id_2:
|
|
mov r0, #0
|
|
mov pc, lr
|
|
|
|
map_cpu_id_3:
|
|
mov r0, #1
|
|
mov pc, lr
|
|
|
|
.globl rt_asm_cpu_id
|
|
rt_asm_cpu_id:
|
|
// read MPIDR
|
|
mov r9, lr
|
|
mrc p15, 0, r0, c0, c0, 5
|
|
ubfx r0, r0, #0, #12
|
|
ldr r1,= CORE0_AFF
|
|
cmp r0, r1
|
|
beq core0
|
|
|
|
#if defined(CORE1_AFF)
|
|
ldr r1,= CORE1_AFF
|
|
cmp r0, r1
|
|
beq core1
|
|
#endif
|
|
|
|
#if defined(CORE2_AFF)
|
|
ldr r1,= CORE2_AFF
|
|
cmp r0, r1
|
|
beq core2
|
|
#endif
|
|
|
|
#if defined(CORE3_AFF)
|
|
ldr r1,= CORE3_AFF
|
|
cmp r0, r1
|
|
beq core3
|
|
#endif
|
|
|
|
b default
|
|
|
|
core0:
|
|
mov r0, #0
|
|
b return
|
|
|
|
core1:
|
|
mov r0, #1
|
|
b return
|
|
|
|
core2:
|
|
mov r0, #2
|
|
b return
|
|
|
|
core3:
|
|
mov r0, #3
|
|
b return
|
|
|
|
core4:
|
|
mov r0, #4
|
|
b return
|
|
|
|
core5:
|
|
mov r0, #5
|
|
b return
|
|
|
|
core6:
|
|
mov r0, #6
|
|
b return
|
|
|
|
core8:
|
|
mov r0, #8
|
|
b return
|
|
|
|
default:
|
|
and r0, r0, #15
|
|
|
|
return:
|
|
|
|
bl cpu_id_mapping
|
|
|
|
mov pc, r9
|
|
|
|
#else
|
|
|
|
.globl cpu_id_mapping
|
|
cpu_id_mapping:
|
|
#if defined(TARGET_E2000Q)
|
|
cmp x0, #0 // compare cpu_id with 0
|
|
beq map_cpu_id_0
|
|
cmp x0, #1 // compare cpu_id with 1
|
|
beq map_cpu_id_1
|
|
cmp x0, #2 // compare cpu_id with 2
|
|
beq map_cpu_id_2
|
|
cmp x0, #3 // compare cpu_id with 3
|
|
beq map_cpu_id_3
|
|
RET // no mapping needed
|
|
#endif
|
|
RET // no mapping needed
|
|
|
|
// Mapping for E2000Q
|
|
map_cpu_id_0:
|
|
mov x0, #2
|
|
RET
|
|
|
|
map_cpu_id_1:
|
|
mov x0, #3
|
|
RET
|
|
|
|
map_cpu_id_2:
|
|
mov x0, #0
|
|
RET
|
|
|
|
map_cpu_id_3:
|
|
mov x0, #1
|
|
RET
|
|
|
|
|
|
.globl rt_hw_cpu_id_set
|
|
rt_hw_cpu_id_set:
|
|
mov x9, lr
|
|
mrs x0,MPIDR_EL1
|
|
and x1, x0, #15
|
|
msr tpidr_el1, x1
|
|
|
|
ubfx x0, x0, #0, #12
|
|
ldr x1,= CORE0_AFF
|
|
cmp x0, x1
|
|
beq core0
|
|
|
|
#if defined(CORE1_AFF)
|
|
ldr x1,= CORE1_AFF
|
|
cmp x0, x1
|
|
beq core1
|
|
#endif
|
|
|
|
#if defined(CORE2_AFF)
|
|
ldr x1,= CORE2_AFF
|
|
cmp x0, x1
|
|
beq core2
|
|
#endif
|
|
|
|
#if defined(CORE3_AFF)
|
|
ldr x1,= CORE3_AFF
|
|
cmp x0, x1
|
|
beq core3
|
|
#endif
|
|
|
|
b default
|
|
|
|
core0:
|
|
mov x0, #0
|
|
b return
|
|
|
|
core1:
|
|
mov x0, #1
|
|
b return
|
|
|
|
core2:
|
|
mov x0, #2
|
|
b return
|
|
|
|
core3:
|
|
mov x0, #3
|
|
b return
|
|
|
|
core4:
|
|
mov x0, #4
|
|
b return
|
|
|
|
core5:
|
|
mov x0, #5
|
|
b return
|
|
|
|
core6:
|
|
mov x0, #6
|
|
b return
|
|
|
|
core8:
|
|
mov x0, #8
|
|
b return
|
|
|
|
default:
|
|
and x0, x0, #15
|
|
|
|
return:
|
|
|
|
//bl cpu_id_mapping
|
|
mov lr, x9
|
|
RET
|
|
|
|
|
|
#endif
|
|
|