[U-Boot] [PATCH v4 15/28] riscv: fix inconsistent use of spaces and tabs in start.S

start.S uses both tabs and spaces after instructions. Fix this by only using tabs after instructions.

Signed-off-by: Lukas Auer lukas.auer@aisec.fraunhofer.de Reviewed-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Rick Chen rick@andestech.com ---

Changes in v4: None Changes in v3: None Changes in v2: None

arch/riscv/cpu/start.S | 322 ++++++++++++++++++++--------------------- 1 file changed, 161 insertions(+), 161 deletions(-)

diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S index 7cd7755190..bd5904500c 100644 --- a/arch/riscv/cpu/start.S +++ b/arch/riscv/cpu/start.S @@ -16,56 +16,56 @@ #include <asm/encoding.h>

#ifdef CONFIG_32BIT -#define LREG lw -#define SREG sw -#define REGBYTES 4 +#define LREG lw +#define SREG sw +#define REGBYTES 4 #define RELOC_TYPE R_RISCV_32 #define SYM_INDEX 0x8 #define SYM_SIZE 0x10 #else -#define LREG ld -#define SREG sd -#define REGBYTES 8 +#define LREG ld +#define SREG sd +#define REGBYTES 8 #define RELOC_TYPE R_RISCV_64 #define SYM_INDEX 0x20 #define SYM_SIZE 0x18 #endif

-.section .text +.section .text .globl _start _start: - j handle_reset + j handle_reset

nmi_vector: - j nmi_vector + j nmi_vector

trap_vector: - j trap_entry + j trap_entry

.global trap_entry handle_reset: - li t0, CONFIG_SYS_SDRAM_BASE - SREG a2, 0(t0) - la t0, trap_entry - csrw mtvec, t0 - csrwi mstatus, 0 - csrwi mie, 0 + li t0, CONFIG_SYS_SDRAM_BASE + SREG a2, 0(t0) + la t0, trap_entry + csrw mtvec, t0 + csrwi mstatus, 0 + csrwi mie, 0

/* * Do CPU critical regs init only at reboot, * not when booting from ram */ #ifdef CONFIG_INIT_CRITICAL - jal cpu_init_crit /* Do CPU critical regs init */ + jal cpu_init_crit /* Do CPU critical regs init */ #endif

/* * Set stackpointer in internal/ex RAM to call board_init_f */ call_board_init_f: - li t0, -16 - li t1, CONFIG_SYS_INIT_SP_ADDR - and sp, t1, t0 /* force 16 byte alignment */ + li t0, -16 + li t1, CONFIG_SYS_INIT_SP_ADDR + and sp, t1, t0 /* force 16 byte alignment */

#ifdef CONFIG_DEBUG_UART jal debug_uart_init @@ -77,9 +77,9 @@ call_board_init_f_0: mv sp, a0 jal board_init_f_init_reserve

- mv a0, zero /* a0 <-- boot_flags = 0 */ - la t5, board_init_f - jr t5 /* jump to board_init_f() */ + mv a0, zero /* a0 <-- boot_flags = 0 */ + la t5, board_init_f + jr t5 /* jump to board_init_f() */

/* * void relocate_code (addr_sp, gd, addr_moni) @@ -90,200 +90,200 @@ call_board_init_f_0: */ .globl relocate_code relocate_code: - mv s2, a0 /* save addr_sp */ - mv s3, a1 /* save addr of gd */ - mv s4, a2 /* save addr of destination */ + mv s2, a0 /* save addr_sp */ + mv s3, a1 /* save addr of gd */ + mv s4, a2 /* save addr of destination */

/* *Set up the stack */ stack_setup: - mv sp, s2 - la t0, _start - sub t6, s4, t0 /* t6 <- relocation offset */ - beq t0, s4, clear_bss /* skip relocation */ + mv sp, s2 + la t0, _start + sub t6, s4, t0 /* t6 <- relocation offset */ + beq t0, s4, clear_bss /* skip relocation */

- mv t1, s4 /* t1 <- scratch for copy_loop */ - la t3, __bss_start - sub t3, t3, t0 /* t3 <- __bss_start_ofs */ - add t2, t0, t3 /* t2 <- source end address */ + mv t1, s4 /* t1 <- scratch for copy_loop */ + la t3, __bss_start + sub t3, t3, t0 /* t3 <- __bss_start_ofs */ + add t2, t0, t3 /* t2 <- source end address */

copy_loop: - LREG t5, 0(t0) - addi t0, t0, REGBYTES - SREG t5, 0(t1) - addi t1, t1, REGBYTES - blt t0, t2, copy_loop + LREG t5, 0(t0) + addi t0, t0, REGBYTES + SREG t5, 0(t1) + addi t1, t1, REGBYTES + blt t0, t2, copy_loop

/* * Update dynamic relocations after board_init_f */ fix_rela_dyn: - la t1, __rel_dyn_start - la t2, __rel_dyn_end - beq t1, t2, clear_bss - add t1, t1, t6 /* t1 <- rela_dyn_start in RAM */ - add t2, t2, t6 /* t2 <- rela_dyn_end in RAM */ + la t1, __rel_dyn_start + la t2, __rel_dyn_end + beq t1, t2, clear_bss + add t1, t1, t6 /* t1 <- rela_dyn_start in RAM */ + add t2, t2, t6 /* t2 <- rela_dyn_end in RAM */

/* * skip first reserved entry: address, type, addend */ - bne t1, t2, 7f + bne t1, t2, 7f

6: - LREG t5, -(REGBYTES*2)(t1) /* t5 <-- relocation info:type */ - li t3, R_RISCV_RELATIVE /* reloc type R_RISCV_RELATIVE */ - bne t5, t3, 8f /* skip non-RISCV_RELOC entries */ - LREG t3, -(REGBYTES*3)(t1) - LREG t5, -(REGBYTES)(t1) /* t5 <-- addend */ - add t5, t5, t6 /* t5 <-- location to fix up in RAM */ - add t3, t3, t6 /* t3 <-- location to fix up in RAM */ - SREG t5, 0(t3) + LREG t5, -(REGBYTES*2)(t1) /* t5 <-- relocation info:type */ + li t3, R_RISCV_RELATIVE /* reloc type R_RISCV_RELATIVE */ + bne t5, t3, 8f /* skip non-RISCV_RELOC entries */ + LREG t3, -(REGBYTES*3)(t1) + LREG t5, -(REGBYTES)(t1) /* t5 <-- addend */ + add t5, t5, t6 /* t5 <-- location to fix up in RAM */ + add t3, t3, t6 /* t3 <-- location to fix up in RAM */ + SREG t5, 0(t3) 7: - addi t1, t1, (REGBYTES*3) - ble t1, t2, 6b + addi t1, t1, (REGBYTES*3) + ble t1, t2, 6b

8: - la t4, __dyn_sym_start - add t4, t4, t6 + la t4, __dyn_sym_start + add t4, t4, t6

9: - LREG t5, -(REGBYTES*2)(t1) /* t5 <-- relocation info:type */ - srli t0, t5, SYM_INDEX /* t0 <--- sym table index */ - andi t5, t5, 0xFF /* t5 <--- relocation type */ - li t3, RELOC_TYPE - bne t5, t3, 10f /* skip non-addned entries */ + LREG t5, -(REGBYTES*2)(t1) /* t5 <-- relocation info:type */ + srli t0, t5, SYM_INDEX /* t0 <--- sym table index */ + andi t5, t5, 0xFF /* t5 <--- relocation type */ + li t3, RELOC_TYPE + bne t5, t3, 10f /* skip non-addned entries */

- LREG t3, -(REGBYTES*3)(t1) - li t5, SYM_SIZE - mul t0, t0, t5 - add s1, t4, t0 - LREG t5, REGBYTES(s1) - add t5, t5, t6 /* t5 <-- location to fix up in RAM */ - add t3, t3, t6 /* t3 <-- location to fix up in RAM */ - SREG t5, 0(t3) + LREG t3, -(REGBYTES*3)(t1) + li t5, SYM_SIZE + mul t0, t0, t5 + add s1, t4, t0 + LREG t5, REGBYTES(s1) + add t5, t5, t6 /* t5 <-- location to fix up in RAM */ + add t3, t3, t6 /* t3 <-- location to fix up in RAM */ + SREG t5, 0(t3) 10: - addi t1, t1, (REGBYTES*3) - ble t1, t2, 9b + addi t1, t1, (REGBYTES*3) + ble t1, t2, 9b

/* * trap update */ - la t0, trap_entry - add t0, t0, t6 - csrw mtvec, t0 + la t0, trap_entry + add t0, t0, t6 + csrw mtvec, t0

clear_bss: - la t0, __bss_start /* t0 <- rel __bss_start in FLASH */ - add t0, t0, t6 /* t0 <- rel __bss_start in RAM */ - la t1, __bss_end /* t1 <- rel __bss_end in FLASH */ - add t1, t1, t6 /* t1 <- rel __bss_end in RAM */ - li t2, 0x00000000 /* clear */ - beq t0, t1, call_board_init_r + la t0, __bss_start /* t0 <- rel __bss_start in FLASH */ + add t0, t0, t6 /* t0 <- rel __bss_start in RAM */ + la t1, __bss_end /* t1 <- rel __bss_end in FLASH */ + add t1, t1, t6 /* t1 <- rel __bss_end in RAM */ + li t2, 0x00000000 /* clear */ + beq t0, t1, call_board_init_r

clbss_l: - SREG t2, 0(t0) /* clear loop... */ - addi t0, t0, REGBYTES - bne t0, t1, clbss_l + SREG t2, 0(t0) /* clear loop... */ + addi t0, t0, REGBYTES + bne t0, t1, clbss_l

/* * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. */ call_board_init_r: - la t0, board_init_r - mv t4, t0 /* offset of board_init_r() */ - add t4, t4, t6 /* real address of board_init_r() */ + la t0, board_init_r + mv t4, t0 /* offset of board_init_r() */ + add t4, t4, t6 /* real address of board_init_r() */ /* * setup parameters for board_init_r */ - mv a0, s3 /* gd_t */ - mv a1, s4 /* dest_addr */ + mv a0, s3 /* gd_t */ + mv a1, s4 /* dest_addr */

/* * jump to it ... */ - jr t4 /* jump to board_init_r() */ + jr t4 /* jump to board_init_r() */

/* * trap entry */ trap_entry: - addi sp, sp, -32*REGBYTES - SREG x1, 1*REGBYTES(sp) - SREG x2, 2*REGBYTES(sp) - SREG x3, 3*REGBYTES(sp) - SREG x4, 4*REGBYTES(sp) - SREG x5, 5*REGBYTES(sp) - SREG x6, 6*REGBYTES(sp) - SREG x7, 7*REGBYTES(sp) - SREG x8, 8*REGBYTES(sp) - SREG x9, 9*REGBYTES(sp) - SREG x10, 10*REGBYTES(sp) - SREG x11, 11*REGBYTES(sp) - SREG x12, 12*REGBYTES(sp) - SREG x13, 13*REGBYTES(sp) - SREG x14, 14*REGBYTES(sp) - SREG x15, 15*REGBYTES(sp) - SREG x16, 16*REGBYTES(sp) - SREG x17, 17*REGBYTES(sp) - SREG x18, 18*REGBYTES(sp) - SREG x19, 19*REGBYTES(sp) - SREG x20, 20*REGBYTES(sp) - SREG x21, 21*REGBYTES(sp) - SREG x22, 22*REGBYTES(sp) - SREG x23, 23*REGBYTES(sp) - SREG x24, 24*REGBYTES(sp) - SREG x25, 25*REGBYTES(sp) - SREG x26, 26*REGBYTES(sp) - SREG x27, 27*REGBYTES(sp) - SREG x28, 28*REGBYTES(sp) - SREG x29, 29*REGBYTES(sp) - SREG x30, 30*REGBYTES(sp) - SREG x31, 31*REGBYTES(sp) - csrr a0, mcause - csrr a1, mepc - mv a2, sp - jal handle_trap - csrw mepc, a0 + addi sp, sp, -32*REGBYTES + SREG x1, 1*REGBYTES(sp) + SREG x2, 2*REGBYTES(sp) + SREG x3, 3*REGBYTES(sp) + SREG x4, 4*REGBYTES(sp) + SREG x5, 5*REGBYTES(sp) + SREG x6, 6*REGBYTES(sp) + SREG x7, 7*REGBYTES(sp) + SREG x8, 8*REGBYTES(sp) + SREG x9, 9*REGBYTES(sp) + SREG x10, 10*REGBYTES(sp) + SREG x11, 11*REGBYTES(sp) + SREG x12, 12*REGBYTES(sp) + SREG x13, 13*REGBYTES(sp) + SREG x14, 14*REGBYTES(sp) + SREG x15, 15*REGBYTES(sp) + SREG x16, 16*REGBYTES(sp) + SREG x17, 17*REGBYTES(sp) + SREG x18, 18*REGBYTES(sp) + SREG x19, 19*REGBYTES(sp) + SREG x20, 20*REGBYTES(sp) + SREG x21, 21*REGBYTES(sp) + SREG x22, 22*REGBYTES(sp) + SREG x23, 23*REGBYTES(sp) + SREG x24, 24*REGBYTES(sp) + SREG x25, 25*REGBYTES(sp) + SREG x26, 26*REGBYTES(sp) + SREG x27, 27*REGBYTES(sp) + SREG x28, 28*REGBYTES(sp) + SREG x29, 29*REGBYTES(sp) + SREG x30, 30*REGBYTES(sp) + SREG x31, 31*REGBYTES(sp) + csrr a0, mcause + csrr a1, mepc + mv a2, sp + jal handle_trap + csrw mepc, a0

/* * Remain in M-mode after mret */ - li t0, MSTATUS_MPP - csrs mstatus, t0 - LREG x1, 1*REGBYTES(sp) - LREG x2, 2*REGBYTES(sp) - LREG x3, 3*REGBYTES(sp) - LREG x4, 4*REGBYTES(sp) - LREG x5, 5*REGBYTES(sp) - LREG x6, 6*REGBYTES(sp) - LREG x7, 7*REGBYTES(sp) - LREG x8, 8*REGBYTES(sp) - LREG x9, 9*REGBYTES(sp) - LREG x10, 10*REGBYTES(sp) - LREG x11, 11*REGBYTES(sp) - LREG x12, 12*REGBYTES(sp) - LREG x13, 13*REGBYTES(sp) - LREG x14, 14*REGBYTES(sp) - LREG x15, 15*REGBYTES(sp) - LREG x16, 16*REGBYTES(sp) - LREG x17, 17*REGBYTES(sp) - LREG x18, 18*REGBYTES(sp) - LREG x19, 19*REGBYTES(sp) - LREG x20, 20*REGBYTES(sp) - LREG x21, 21*REGBYTES(sp) - LREG x22, 22*REGBYTES(sp) - LREG x23, 23*REGBYTES(sp) - LREG x24, 24*REGBYTES(sp) - LREG x25, 25*REGBYTES(sp) - LREG x26, 26*REGBYTES(sp) - LREG x27, 27*REGBYTES(sp) - LREG x28, 28*REGBYTES(sp) - LREG x29, 29*REGBYTES(sp) - LREG x30, 30*REGBYTES(sp) - LREG x31, 31*REGBYTES(sp) - addi sp, sp, 32*REGBYTES + li t0, MSTATUS_MPP + csrs mstatus, t0 + LREG x1, 1*REGBYTES(sp) + LREG x2, 2*REGBYTES(sp) + LREG x3, 3*REGBYTES(sp) + LREG x4, 4*REGBYTES(sp) + LREG x5, 5*REGBYTES(sp) + LREG x6, 6*REGBYTES(sp) + LREG x7, 7*REGBYTES(sp) + LREG x8, 8*REGBYTES(sp) + LREG x9, 9*REGBYTES(sp) + LREG x10, 10*REGBYTES(sp) + LREG x11, 11*REGBYTES(sp) + LREG x12, 12*REGBYTES(sp) + LREG x13, 13*REGBYTES(sp) + LREG x14, 14*REGBYTES(sp) + LREG x15, 15*REGBYTES(sp) + LREG x16, 16*REGBYTES(sp) + LREG x17, 17*REGBYTES(sp) + LREG x18, 18*REGBYTES(sp) + LREG x19, 19*REGBYTES(sp) + LREG x20, 20*REGBYTES(sp) + LREG x21, 21*REGBYTES(sp) + LREG x22, 22*REGBYTES(sp) + LREG x23, 23*REGBYTES(sp) + LREG x24, 24*REGBYTES(sp) + LREG x25, 25*REGBYTES(sp) + LREG x26, 26*REGBYTES(sp) + LREG x27, 27*REGBYTES(sp) + LREG x28, 28*REGBYTES(sp) + LREG x29, 29*REGBYTES(sp) + LREG x30, 30*REGBYTES(sp) + LREG x31, 31*REGBYTES(sp) + addi sp, sp, 32*REGBYTES mret

#ifdef CONFIG_INIT_CRITICAL