thermosphere: add proper memory/instruction barriers for breakpoint stuff

2020-01-09 22:47:22 +00:00
parent 0dd5f1f6d4
commit edb942a032
6 changed files with 19 additions and 3 deletions
--- a/thermosphere/src/breakpoints_watchpoints_load.s
+++ b/thermosphere/src/breakpoints_watchpoints_load.s
@@ -23,6 +23,8 @@
 .cfi_startproc
 loadBreakpointRegs:
    // x1 = number
+    dmb     sy
+
    adr     x16, 1f
    add     x0, x0, #(16 * 8)
    mov     x4, #(16 * 12)
@@ -51,6 +53,8 @@ loadBreakpointRegs:
 .cfi_startproc
 loadWatchpointRegs:
    // x1 = number
+    dmb     sy
+
    adr     x16, 1f
    add     x0, x0, #(16 * 8)
    mov     x4, #(16 * 12)