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| author | Andrew Waterman <waterman@cs.berkeley.edu> | 2016-04-30 20:44:46 -0700 |
|---|---|---|
| committer | Andrew Waterman <waterman@cs.berkeley.edu> | 2016-04-30 20:44:46 -0700 |
| commit | 3d45ca302dbf5ac22cfac8fb025c05c735c35e26 (patch) | |
| tree | bc0184068ab372b75d30feb6ef2f1e0465c67fa3 /v/entry.S | |
| parent | 0fc840489c21530a8bfdaecac1131fcd20bdaea2 (diff) | |
| download | env-3d45ca302dbf5ac22cfac8fb025c05c735c35e26.zip env-3d45ca302dbf5ac22cfac8fb025c05c735c35e26.tar.gz env-3d45ca302dbf5ac22cfac8fb025c05c735c35e26.tar.bz2 | |
ERET -> xRET; change memory map
Diffstat (limited to 'v/entry.S')
| -rw-r--r-- | v/entry.S | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -32,6 +32,8 @@ trap_vector: j wtf handle_reset: + la t0, trap_vector + csrw mtvec, t0 la sp, STACK_TOP - SIZEOF_TRAPFRAME_T csrw mscratch, sp li a1, 1337 @@ -73,7 +75,7 @@ pop_tf: LOAD x30,30*REGBYTES(a0) LOAD x31,31*REGBYTES(a0) LOAD a0,10*REGBYTES(a0) - eret + sret .global trap_entry trap_entry: @@ -142,7 +144,7 @@ handle_tohost: csrr t0, mepc addi t0, t0, 4 csrw mepc, t0 - eret + mret wtf: li a0, 841 |