diff options
Diffstat (limited to 'bsp/env/ventry.S')
-rw-r--r-- | bsp/env/ventry.S | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/bsp/env/ventry.S b/bsp/env/ventry.S deleted file mode 100644 index 5c82c48..0000000 --- a/bsp/env/ventry.S +++ /dev/null @@ -1,288 +0,0 @@ -// See LICENSE for license details - -#ifndef VENTRY_S -#define VENTRY_S - -#include "encoding.h" -#include "sifive/bits.h" - -#only save caller registers -.macro TRAP_ENTRY - addi sp, sp, -16*REGBYTES - - STORE x1, 0*REGBYTES(sp) - STORE x5, 1*REGBYTES(sp) - STORE x6, 2*REGBYTES(sp) - STORE x7, 3*REGBYTES(sp) - STORE x10, 4*REGBYTES(sp) - STORE x11, 5*REGBYTES(sp) - STORE x12, 6*REGBYTES(sp) - STORE x13, 7*REGBYTES(sp) - STORE x14, 8*REGBYTES(sp) - STORE x15, 9*REGBYTES(sp) - STORE x16, 10*REGBYTES(sp) - STORE x17, 11*REGBYTES(sp) - STORE x28, 12*REGBYTES(sp) - STORE x29, 13*REGBYTES(sp) - STORE x30, 14*REGBYTES(sp) - STORE x31, 15*REGBYTES(sp) -.endm - -#restore caller registers -.macro TRAP_EXIT -# Remain in M-mode after mret - li t0, MSTATUS_MPP - csrs mstatus, t0 - - LOAD x1, 0*REGBYTES(sp) - LOAD x5, 1*REGBYTES(sp) - LOAD x6, 2*REGBYTES(sp) - LOAD x7, 3*REGBYTES(sp) - LOAD x10, 4*REGBYTES(sp) - LOAD x11, 5*REGBYTES(sp) - LOAD x12, 6*REGBYTES(sp) - LOAD x13, 7*REGBYTES(sp) - LOAD x14, 8*REGBYTES(sp) - LOAD x15, 9*REGBYTES(sp) - LOAD x16, 10*REGBYTES(sp) - LOAD x17, 11*REGBYTES(sp) - LOAD x28, 12*REGBYTES(sp) - LOAD x29, 13*REGBYTES(sp) - LOAD x30, 14*REGBYTES(sp) - LOAD x31, 15*REGBYTES(sp) - - addi sp, sp, 16*REGBYTES - mret -.endm - - - -#Vector table for E31/E51 - - .section .text.entry - .align 8 - .global vtrap_entry -vtrap_entry: - j sync_trap - .align 2 - j reserved - .align 2 - j reserved - .align 2 - j vmsi_Handler - .align 2 - j reserved - .align 2 - j reserved - .align 2 - j reserved - .align 2 - j vmti_Handler - .align 2 - j reserved - .align 2 - j reserved - .align 2 - j reserved - .align 2 - j vmei_Handler - .align 2 - j reserved - .align 2 - j reserved - .align 2 - j reserved - .align 2 - j reserved - .align 2 - j vlip_Handler0 - .align 2 - j vlip_Handler1 - .align 2 - j vlip_Handler2 - .align 2 - j vlip_Handler3 - .align 2 - j vlip_Handler4 - .align 2 - j vlip_Handler5 - .align 2 - j vlip_Handler6 - .align 2 - j vlip_Handler7 - .align 2 - j vlip_Handler8 - .align 2 - j vlip_Handler9 - .align 2 - j vlip_Handler10 - .align 2 - j vlip_Handler11 - .align 2 - j vlip_Handler12 - .align 2 - j vlip_Handler13 - .align 2 - j vlip_Handler14 - .align 2 - j vlip_Handler15 - -#synchronous trap -sync_trap: - TRAP_ENTRY - jal handle_sync_trap - TRAP_EXIT - -#Machine Software Interrupt -vmsi_Handler: - TRAP_ENTRY - jal reserved - TRAP_EXIT - -#Machine Timer Interrupt -vmti_Handler: - TRAP_ENTRY - jal handle_m_time_interrupt - TRAP_EXIT - -#Machine External Interrupt -vmei_Handler: - TRAP_ENTRY - jal handle_m_external_interrupt - TRAP_EXIT - -#LIP0 -vlip_Handler0: - TRAP_ENTRY - jal handle_local_interrupt0 - TRAP_EXIT - -#LIP1 -vlip_Handler1: - TRAP_ENTRY - jal handle_local_interrupt1 - TRAP_EXIT - -#LIP2 -vlip_Handler2: - TRAP_ENTRY - jal handle_local_interrupt2 - TRAP_EXIT - -#LIP3 -vlip_Handler3: - TRAP_ENTRY - jal handle_local_interrupt3 - TRAP_EXIT - -#LIP4 -vlip_Handler4: - TRAP_ENTRY - jal handle_local_interrupt4 - TRAP_EXIT - -#LIP5 -vlip_Handler5: - TRAP_ENTRY - jal handle_local_interrupt5 - TRAP_EXIT - -#LIP6 -vlip_Handler6: - TRAP_ENTRY - jal handle_local_interrupt6 - TRAP_EXIT - -#LIP7 -vlip_Handler7: - TRAP_ENTRY - jal handle_local_interrupt7 - TRAP_EXIT - -#LIP8 -vlip_Handler8: - TRAP_ENTRY - jal handle_local_interrupt8 - TRAP_EXIT - -#LIP9 -vlip_Handler9: - TRAP_ENTRY - jal handle_local_interrupt9 - TRAP_EXIT - -#LIP10 -vlip_Handler10: - TRAP_ENTRY - jal handle_local_interrupt10 - TRAP_EXIT - -#LIP11 -vlip_Handler11: - TRAP_ENTRY - jal handle_local_interrupt11 - TRAP_EXIT - -#LIP12 -vlip_Handler12: - TRAP_ENTRY - jal handle_local_interrupt12 - TRAP_EXIT - -#LIP13 -vlip_Handler13: - TRAP_ENTRY - jal handle_local_interrupt13 - TRAP_EXIT - -#LIP14 -vlip_Handler14: - TRAP_ENTRY - jal handle_local_interrupt14 - TRAP_EXIT - -#LIP15 -vlip_Handler15: - TRAP_ENTRY - jal handle_local_interrupt15 - TRAP_EXIT - -#unimplemented ISRs trap here -.weak reserved -reserved: -.weak handle_local_interrupt0 -handle_local_interrupt0: -.weak handle_local_interrupt1 -handle_local_interrupt1: -.weak handle_local_interrupt2 -handle_local_interrupt2: -.weak handle_local_interrupt3 -handle_local_interrupt3: -.weak handle_local_interrupt4 -handle_local_interrupt4: -.weak handle_local_interrupt5 -handle_local_interrupt5: -.weak handle_local_interrupt6 -handle_local_interrupt6: -.weak handle_local_interrupt7 -handle_local_interrupt7: -.weak handle_local_interrupt8 -handle_local_interrupt8: -.weak handle_local_interrupt9 -handle_local_interrupt9: -.weak handle_local_interrupt10 -handle_local_interrupt10: -.weak handle_local_interrupt11 -handle_local_interrupt11: -.weak handle_local_interrupt12 -handle_local_interrupt12: -.weak handle_local_interrupt13 -handle_local_interrupt13: -.weak handle_local_interrupt14 -handle_local_interrupt14: -.weak handle_local_interrupt15 -handle_local_interrupt15: -1: - j 1b - -#endif |