diff options
| author | Alejandro Soto <alejandro@34project.org> | 2022-12-16 23:36:05 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-12-16 23:36:05 -0600 |
| commit | ca8b6e6696e279f56faacad39501019c3762a1b7 (patch) | |
| tree | 3622fc8bd082deeeec74b6db1869159ce3d17323 /rtl/core/psr.sv | |
| parent | 9ebb4b712e1d6c97a999652d0b9105847eabd134 (diff) | |
Fix privilege escalation while in user mode
Diffstat (limited to 'rtl/core/psr.sv')
| -rw-r--r-- | rtl/core/psr.sv | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/rtl/core/psr.sv b/rtl/core/psr.sv index 41982c0..7bbffe6 100644 --- a/rtl/core/psr.sv +++ b/rtl/core/psr.sv @@ -8,6 +8,7 @@ module core_psr saved, wr_flags, wr_control, + escalating, update_flags, alu_v_valid, input psr_flags alu_flags, @@ -133,7 +134,7 @@ module core_psr wr_clean.mode = mode; end - if(mode == `MODE_USR) begin + if(mode == `MODE_USR && !escalating) begin wr_clean.mask = mask; wr_clean.mode = `MODE_USR; end |