mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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242 lines
7.0 KiB
ArmAsm
242 lines
7.0 KiB
ArmAsm
/*
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* Copyright (c) 2022, Artinchip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <rtconfig.h>
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#include <cpuport.h>
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#include <aic_soc.h>
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.section .vectors, "aw", @progbits
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.align 6
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.globl __Vectors
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.type __Vectors, @object
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__Vectors:
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.long Default_Handler /* 0 */
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.long Default_Handler /* 1 */
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.long Default_Handler /* 2 */
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.long PendSV_Handler /* 3 */
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.long Default_Handler /* 4 */
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.long Default_Handler /* 5 */
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.long Default_Handler /* 6 */
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.long Default_IRQHandler /* 7 */
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.long Default_Handler /* 8 */
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.long Default_Handler /* 9 */
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.long Default_Handler /* 10 */
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.long Default_Handler /* 11 */
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.long Default_Handler /* 12 */
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.long Default_Handler /* 13 */
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.long Default_Handler /* 14 */
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.long Default_Handler /* 15 */
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/* External interrupts */
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.long Default_IRQHandler /* 16 */
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.long Default_IRQHandler /* 17 */
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.long Default_IRQHandler /* 18 */
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.long Default_IRQHandler /* 19 */
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.long Default_IRQHandler /* 20 */
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.long Default_IRQHandler /* 21 */
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.long Default_IRQHandler /* 22 */
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.long Default_IRQHandler /* 23 */
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.long Default_IRQHandler /* 24 */
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.long Default_IRQHandler /* 25 */
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.long Default_IRQHandler /* 26 */
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.long Default_IRQHandler /* 27 */
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.long Default_IRQHandler /* 28 */
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.long Default_IRQHandler /* 29 */
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.long Default_IRQHandler /* 30 */
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.long Default_IRQHandler /* 31 */
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.long Default_IRQHandler /* 32 */
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.long Default_IRQHandler /* 33 */
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.long Default_IRQHandler /* 34 */
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.long Default_IRQHandler /* 35 */
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.long Default_IRQHandler /* 36 */
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.long Default_IRQHandler /* 37 */
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.long Default_IRQHandler /* 38 */
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.long Default_IRQHandler /* 39 */
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.long Default_IRQHandler /* 40 */
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.long Default_IRQHandler /* 41 */
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.long Default_IRQHandler /* 42 */
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.long Default_IRQHandler /* 43 */
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.long Default_IRQHandler /* 44 */
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.long Default_IRQHandler /* 45 */
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.long Default_IRQHandler /* 46 */
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.long Default_IRQHandler /* 47 */
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.long Default_IRQHandler /* 48 */
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.long Default_IRQHandler /* 49 */
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.long Default_IRQHandler /* 50 */
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.long Default_IRQHandler /* 51 */
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.long Default_IRQHandler /* 52 */
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.long Default_IRQHandler /* 53 */
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.long Default_IRQHandler /* 54 */
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.long Default_IRQHandler /* 55 */
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.long Default_IRQHandler /* 56 */
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.long Default_IRQHandler /* 57 */
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.long Default_IRQHandler /* 58 */
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.long Default_IRQHandler /* 59 */
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.long Default_IRQHandler /* 60 */
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.long Default_IRQHandler /* 61 */
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.long Default_IRQHandler /* 62 */
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.long Default_IRQHandler /* 63 */
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.long Default_IRQHandler /* 64 */
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.long Default_IRQHandler /* 65 */
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.long Default_IRQHandler /* 66 */
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.long Default_IRQHandler /* 67 */
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.long Default_IRQHandler /* 68 */
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.long Default_IRQHandler /* 69 */
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.long Default_IRQHandler /* 70 */
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.long Default_IRQHandler /* 71 */
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.long Default_IRQHandler /* 72 */
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.long Default_IRQHandler /* 73 */
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.long Default_IRQHandler /* 74 */
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.long Default_IRQHandler /* 75 */
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.long Default_IRQHandler /* 76 */
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.long Default_IRQHandler /* 77 */
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.long Default_IRQHandler /* 78 */
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.long Default_IRQHandler /* 79 */
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.long Default_IRQHandler /* 80 */
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.long Default_IRQHandler /* 81 */
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.long Default_IRQHandler /* 82 */
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.long Default_IRQHandler /* 83 */
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.long Default_IRQHandler /* 84 */
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.long Default_IRQHandler /* 85 */
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.long Default_IRQHandler /* 86 */
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.long Default_IRQHandler /* 87 */
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.long Default_IRQHandler /* 88 */
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.long Default_IRQHandler /* 89 */
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.long Default_IRQHandler /* 90 */
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.long Default_IRQHandler /* 91 */
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.long Default_IRQHandler /* 92 */
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.long Default_IRQHandler /* 93 */
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.long Default_IRQHandler /* 94 */
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.long Default_IRQHandler /* 95 */
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.long Default_IRQHandler /* 96 */
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.long Default_IRQHandler /* 97 */
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.long Default_IRQHandler /* 98 */
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.long Default_IRQHandler /* 99 */
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.size __Vectors,.-__Vectors
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.text
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.align 2
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_start:
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.text
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.align 2
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.globl Reset_Handler
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.globl save_boot_params_ret
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.type save_boot_params_ret,%function
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.type Reset_Handler, %function
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Reset_Handler:
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.option push
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.option norelax
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j save_boot_params
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save_boot_params_ret:
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la gp, __global_pointer$
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.option pop
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la a0, Default_Handler
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ori a0, a0, 3
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csrw mtvec, a0
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la a0, __Vectors
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csrw mtvt, a0
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la sp, g_top_irqstack
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#ifdef CONFIG_THEAD_EXT_SPSWAPEN
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csrw mscratch, sp
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#endif
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#ifdef KERNEL_BAREMETAL
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la sp, g_top_normalstack
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#endif
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la a5, icache_enable
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jalr a5
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la a5, dcache_enable
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jalr a5
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#ifndef QEMU_RUN
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#ifdef AIC_TCM_EN
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e907_tcm_init:
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/* setup tcm start address */
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la t0, __itcm_start // 0x30040000UL
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ori t0, t0, 0x1
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csrs mitcmcr, t0
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la t0, __dtcm_start // 0x30060000UL
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ori t0, t0, 0x1
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csrs mdtcmcr, t0
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fence
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/* enable syscfg clk */
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li a0, (CMU_BASE + 0x800) // 0x18020800UL
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li t0, 0x00001000UL
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sw t0, (a0)
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/* enable tcm */
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li a0, (SYSCFG_BASE + 0x160) // 0x18000160UL
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lw t0, (a0)
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andi t0, t0, ~0x00000002UL
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sw t0, (a0)
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ori t0, t0, 0x00000001UL
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sw t0, (a0)
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#endif /* AIC_TCM_EN */
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#ifdef AIC_SRAM1_EN
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/* enable sram_s1 */
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li a0, (SYSCFG_BASE + 0x160) // 0x18000160UL
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lw t0, (a0)
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andi t0, t0, ~0x00000070UL
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ori t0, t0, AIC_SRAM_S1_REG_SIZE
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sw t0, (a0)
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#endif /* AIC_SRAM1_EN */
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#ifdef PSRAM_UNCACHED_EN
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/* set psram uncacheable */
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li a0, 0x2FFFF034UL // SYSMAP_ADDR6_ATTR
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li t0, 0x00000004UL
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sw t0, (a0)
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#endif /* PSRAM_UNCACHED_EN */
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#endif /* QEMU_RUN */
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/* Load data section */
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#if defined(QEMU_RUN)
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la a0, __erodata
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la a1, __data_start__
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la a2, __data_end__
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bgeu a1, a2, 2f
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1:
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lw t0, (a0)
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sw t0, (a1)
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addi a0, a0, 4
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addi a1, a1, 4
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bltu a1, a2, 1b
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2:
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jal dcache_clean
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#endif
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/* Clear bss section */
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la a0, __bss_start__
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la a1, __bss_end__
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bgeu a0, a1, 2f
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1:
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sw zero, (a0)
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addi a0, a0, 4
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bltu a0, a1, 1b
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2:
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#ifndef __NO_SYSTEM_INIT
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la a5, SystemInit
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jalr a5
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#endif
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#if (defined(KERNEL_RTTHREAD) || defined(KERNEL_FREERTOS))
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jal entry
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#else
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jal main
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#endif
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.size Reset_Handler, . - Reset_Handler
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__exit:
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j __exit
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