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Merge pull request #1955 from Dolu1990/nax64_irq 

cores/cpu/naxriscv: fix 64 bits IRQ support
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enjoy-digital 2024-05-17 08:20:46 +02:00 committed by GitHub
parent d7b4c7bc9c 74b300597b
commit 882463d9db
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GPG Key ID: B5690EEEBB952194
1 changed files with 44 additions and 34 deletions
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78
litex/soc/cores/cpu/naxriscv/crt0.S
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@ -12,6 +12,16 @@
#define MSTATUS_FS_DIRTY (3 << 13) #define MSTATUS_FS_DIRTY (3 << 13)
#define MSTATUS_FS_MASK (3 << 13) #define MSTATUS_FS_MASK (3 << 13)
#if __riscv_xlen == 64
#define STORE sd
#define LOAD ld
#define WORD 8
#else
#define STORE sw
#define LOAD lw
#define WORD 4
#endif
_start: _start:
j crt_init j crt_init
nop nop
@ -24,41 +34,41 @@ _start:
.global trap_entry .global trap_entry
trap_entry: trap_entry:
sw x1, - 1*4(sp) STORE x1, - 1*WORD(sp)
sw x5, - 2*4(sp) STORE x5, - 2*WORD(sp)
sw x6, - 3*4(sp) STORE x6, - 3*WORD(sp)
sw x7, - 4*4(sp) STORE x7, - 4*WORD(sp)
sw x10, - 5*4(sp) STORE x10, - 5*WORD(sp)
sw x11, - 6*4(sp) STORE x11, - 6*WORD(sp)
sw x12, - 7*4(sp) STORE x12, - 7*WORD(sp)
sw x13, - 8*4(sp) STORE x13, - 8*WORD(sp)
sw x14, - 9*4(sp) STORE x14, - 9*WORD(sp)
sw x15, -10*4(sp) STORE x15, -10*WORD(sp)
sw x16, -11*4(sp) STORE x16, -11*WORD(sp)
sw x17, -12*4(sp) STORE x17, -12*WORD(sp)
sw x28, -13*4(sp) STORE x28, -13*WORD(sp)
sw x29, -14*4(sp) STORE x29, -14*WORD(sp)
sw x30, -15*4(sp) STORE x30, -15*WORD(sp)
sw x31, -16*4(sp) STORE x31, -16*WORD(sp)
addi sp,sp,-16*4 addi sp,sp,-16*WORD
call isr call isr
lw x1 , 15*4(sp) LOAD x1 , 15*WORD(sp)
lw x5, 14*4(sp) LOAD x5, 14*WORD(sp)
lw x6, 13*4(sp) LOAD x6, 13*WORD(sp)
lw x7, 12*4(sp) LOAD x7, 12*WORD(sp)
lw x10, 11*4(sp) LOAD x10, 11*WORD(sp)
lw x11, 10*4(sp) LOAD x11, 10*WORD(sp)
lw x12, 9*4(sp) LOAD x12, 9*WORD(sp)
lw x13, 8*4(sp) LOAD x13, 8*WORD(sp)
lw x14, 7*4(sp) LOAD x14, 7*WORD(sp)
lw x15, 6*4(sp) LOAD x15, 6*WORD(sp)
lw x16, 5*4(sp) LOAD x16, 5*WORD(sp)
lw x17, 4*4(sp) LOAD x17, 4*WORD(sp)
lw x28, 3*4(sp) LOAD x28, 3*WORD(sp)
lw x29, 2*4(sp) LOAD x29, 2*WORD(sp)
lw x30, 1*4(sp) LOAD x30, 1*WORD(sp)
lw x31, 0*4(sp) LOAD x31, 0*WORD(sp)
addi sp,sp,16*4 addi sp,sp,16*WORD
mret mret
.text .text