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use core::arch::global_asm
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62 files changed

+949
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lines changed

‎riscv-rt/asm.S renamed to ‎riscv-rt/asm/original_asm.S

File renamed without changes.

‎riscv-rt/asm/riscv32i-unknown-none-elf-m.s

Lines changed: 123 additions & 0 deletions
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.text
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.attribute 4, 16
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.attribute 5, "rv32i2p0"
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.file "zk0t2u2b1an050m"
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.section .init,"ax",@progbits
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.globl _start
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_start:
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lui ra, %hi(_abs_start)
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jalr zero, %lo(_abs_start)(ra)
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_abs_start:
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.cfi_startproc
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.cfi_undefined ra
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csrwi mie, 0
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csrwi mip, 0
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li ra, 0
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li sp, 0
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li gp, 0
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li tp, 0
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li t0, 0
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li t1, 0
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li t2, 0
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li s0, 0
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li s1, 0
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li a3, 0
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li a4, 0
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li a5, 0
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li a6, 0
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li a7, 0
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li s2, 0
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li s3, 0
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li s4, 0
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li s5, 0
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li s6, 0
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li s7, 0
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li s8, 0
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li s9, 0
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li s10, 0
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li s11, 0
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li t3, 0
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li t4, 0
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li t5, 0
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li t6, 0
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.option push
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.option norelax
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.Lpcrel_hi0:
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auipc gp, %pcrel_hi(__global_pointer$)
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addi gp, gp, %pcrel_lo(.Lpcrel_hi0)
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.option pop
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csrr t2, mhartid
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lui t0, %hi(_max_hart_id)
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addi t0, t0, %lo(_max_hart_id)
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bltu t0, t2, abort
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.Lpcrel_hi1:
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auipc sp, %pcrel_hi(_stack_start)
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addi sp, sp, %pcrel_lo(.Lpcrel_hi1)
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lui t0, %hi(_hart_stack_size)
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addi t0, t0, %lo(_hart_stack_size)
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beqz t2, .Ltmp0
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mv t1, t2
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mv t3, t0
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.Ltmp1:
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add t0, t0, t3
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addi t1, t1, -1
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bnez t1, .Ltmp1
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.Ltmp0:
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sub sp, sp, t0
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add s0, sp, zero
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j _start_rust
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.cfi_endproc
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.section .trap,"ax",@progbits
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.globl default_start_trap
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default_start_trap:
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addi sp, sp, -64
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sw ra, 0(sp)
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sw t0, 4(sp)
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sw t1, 8(sp)
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sw t2, 12(sp)
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sw t3, 16(sp)
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sw t4, 20(sp)
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sw t5, 24(sp)
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sw t6, 28(sp)
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sw a0, 32(sp)
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sw a1, 36(sp)
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sw a2, 40(sp)
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sw a3, 44(sp)
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sw a4, 48(sp)
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sw a5, 52(sp)
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sw a6, 56(sp)
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sw a7, 60(sp)
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mv a0, sp
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jal _start_trap_rust
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lw ra, 0(sp)
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lw t0, 4(sp)
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lw t1, 8(sp)
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lw t2, 12(sp)
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lw t3, 16(sp)
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lw t4, 20(sp)
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lw t5, 24(sp)
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lw t6, 28(sp)
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lw a0, 32(sp)
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lw a1, 36(sp)
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lw a2, 40(sp)
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lw a3, 44(sp)
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lw a4, 48(sp)
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lw a5, 52(sp)
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lw a6, 56(sp)
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lw a7, 60(sp)
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addi sp, sp, 64
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mret
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.section .text.abort,"ax",@progbits
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.globl abort
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abort:
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j abort

‎riscv-rt/asm/riscv32i-unknown-none-elf-s.s

Lines changed: 123 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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.text
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.attribute 4, 16
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.attribute 5, "rv32i2p0"
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.file "eaqpawb8fun9h0d"
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6+
.section .init,"ax",@progbits
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.globl _start
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9+
_start:
10+
11+
lui ra, %hi(_abs_start)
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jalr zero, %lo(_abs_start)(ra)
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14+
_abs_start:
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.cfi_startproc
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.cfi_undefined ra
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csrwi sie, 0
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csrwi sip, 0
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li ra, 0
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li sp, 0
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li gp, 0
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li tp, 0
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li t0, 0
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li t1, 0
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li t2, 0
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li s0, 0
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li s1, 0
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li a3, 0
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li a4, 0
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li a5, 0
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li a6, 0
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li a7, 0
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li s2, 0
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li s3, 0
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li s4, 0
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li s5, 0
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li s6, 0
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li s7, 0
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li s8, 0
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li s9, 0
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li s10, 0
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li s11, 0
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li t3, 0
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li t4, 0
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li t5, 0
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li t6, 0
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.option push
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.option norelax
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.Lpcrel_hi0:
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auipc gp, %pcrel_hi(__global_pointer$)
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addi gp, gp, %pcrel_lo(.Lpcrel_hi0)
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.option pop
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mv t2, a0
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lui t0, %hi(_max_hart_id)
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addi t0, t0, %lo(_max_hart_id)
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bltu t0, t2, abort
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.Lpcrel_hi1:
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auipc sp, %pcrel_hi(_stack_start)
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addi sp, sp, %pcrel_lo(.Lpcrel_hi1)
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lui t0, %hi(_hart_stack_size)
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addi t0, t0, %lo(_hart_stack_size)
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beqz t2, .Ltmp0
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mv t1, t2
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mv t3, t0
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.Ltmp1:
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add t0, t0, t3
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addi t1, t1, -1
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bnez t1, .Ltmp1
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.Ltmp0:
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sub sp, sp, t0
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add s0, sp, zero
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j _start_rust
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.cfi_endproc
80+
.section .trap,"ax",@progbits
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.globl default_start_trap
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default_start_trap:
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addi sp, sp, -64
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sw ra, 0(sp)
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sw t0, 4(sp)
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sw t1, 8(sp)
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sw t2, 12(sp)
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sw t3, 16(sp)
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sw t4, 20(sp)
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sw t5, 24(sp)
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sw t6, 28(sp)
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sw a0, 32(sp)
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sw a1, 36(sp)
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sw a2, 40(sp)
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sw a3, 44(sp)
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sw a4, 48(sp)
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sw a5, 52(sp)
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sw a6, 56(sp)
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sw a7, 60(sp)
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mv a0, sp
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jal _start_trap_rust
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lw ra, 0(sp)
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lw t0, 4(sp)
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lw t1, 8(sp)
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lw t2, 12(sp)
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lw t3, 16(sp)
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lw t4, 20(sp)
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lw t5, 24(sp)
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lw t6, 28(sp)
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lw a0, 32(sp)
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lw a1, 36(sp)
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lw a2, 40(sp)
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lw a3, 44(sp)
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lw a4, 48(sp)
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lw a5, 52(sp)
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lw a6, 56(sp)
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lw a7, 60(sp)
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addi sp, sp, 64
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sret
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.section .text.abort,"ax",@progbits
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.globl abort
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abort:
123+
j abort

‎riscv-rt/asm/riscv32imac-unknown-none-elf-m.s

Lines changed: 116 additions & 0 deletions
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.text
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.attribute 4, 16
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.attribute 5, "rv32i2p0_m2p0_a2p0_c2p0"
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.file "3wdx7lxc78dgym21"
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.section .init,"ax",@progbits
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.globl _start
8+
9+
_start:
10+
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lui ra, %hi(_abs_start)
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jalr zero, %lo(_abs_start)(ra)
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14+
_abs_start:
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.cfi_startproc
16+
.cfi_undefined ra
17+
csrwi mie, 0
18+
csrwi mip, 0
19+
li ra, 0
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li sp, 0
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li gp, 0
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li tp, 0
23+
li t0, 0
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li t1, 0
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li t2, 0
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li s0, 0
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li s1, 0
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li a3, 0
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li a4, 0
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li a5, 0
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li a6, 0
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li a7, 0
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li s2, 0
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li s3, 0
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li s4, 0
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li s5, 0
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li s6, 0
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li s7, 0
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li s8, 0
40+
li s9, 0
41+
li s10, 0
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li s11, 0
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li t3, 0
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li t4, 0
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li t5, 0
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li t6, 0
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.option push
49+
50+
.option norelax
51+
52+
.Lpcrel_hi0:
53+
auipc gp, %pcrel_hi(__global_pointer$)
54+
addi gp, gp, %pcrel_lo(.Lpcrel_hi0)
55+
.option pop
56+
57+
csrr t2, mhartid
58+
lui t0, %hi(_max_hart_id)
59+
addi t0, t0, %lo(_max_hart_id)
60+
bltu t0, t2, abort
61+
62+
.Lpcrel_hi1:
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auipc sp, %pcrel_hi(_stack_start)
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addi sp, sp, %pcrel_lo(.Lpcrel_hi1)
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lui t0, %hi(_hart_stack_size)
66+
addi t0, t0, %lo(_hart_stack_size)
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mul t0, t2, t0
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sub sp, sp, t0
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mv s0, sp
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j _start_rust
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.cfi_endproc
73+
.section .trap,"ax",@progbits
74+
.globl default_start_trap
75+
default_start_trap:
76+
addi sp, sp, -64
77+
sw ra, 0(sp)
78+
sw t0, 4(sp)
79+
sw t1, 8(sp)
80+
sw t2, 12(sp)
81+
sw t3, 16(sp)
82+
sw t4, 20(sp)
83+
sw t5, 24(sp)
84+
sw t6, 28(sp)
85+
sw a0, 32(sp)
86+
sw a1, 36(sp)
87+
sw a2, 40(sp)
88+
sw a3, 44(sp)
89+
sw a4, 48(sp)
90+
sw a5, 52(sp)
91+
sw a6, 56(sp)
92+
sw a7, 60(sp)
93+
mv a0, sp
94+
jal _start_trap_rust
95+
lw ra, 0(sp)
96+
lw t0, 4(sp)
97+
lw t1, 8(sp)
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lw t2, 12(sp)
99+
lw t3, 16(sp)
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lw t4, 20(sp)
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lw t5, 24(sp)
102+
lw t6, 28(sp)
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lw a0, 32(sp)
104+
lw a1, 36(sp)
105+
lw a2, 40(sp)
106+
lw a3, 44(sp)
107+
lw a4, 48(sp)
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lw a5, 52(sp)
109+
lw a6, 56(sp)
110+
lw a7, 60(sp)
111+
addi sp, sp, 64
112+
mret
113+
.section .text.abort,"ax",@progbits
114+
.globl abort
115+
abort:
116+
j abort

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