mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-05-23 19:26:55 -04:00
Code Issues Projects Releases Packages Wiki Activity

thermosphere: retrieve wp direction

Browse source
This commit is contained in:
TuxSH 2020-01-23 02:32:27 +00:00
parent abeaa72f94
commit 5de05ed8a8
3 changed files with 17 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

13
thermosphere/src/gdb/debug.c
View file

@ -228,9 +228,16 @@ int GDB_SendStopReply(GDBContext *ctx, const DebugEventInfo *info)
case Exception_WatchpointLowerEl: {
static const char *kinds[] = { "", "r", "", "a" };
n = GDB_ParseExceptionFrame(buffer, ctx, SIGTRAP);
u32 kind = 3; // TODO: retrieve the actual wp direction (if it's a bidirectional wp or not)
sprintf(buffer + n, "%swatch:%016lx;", kinds[kind], info->frame->far_el2);
// Note: exception info doesn't provide us with the access size. Use 1.
bool wnr = (info->frame->esr_el2.iss & BIT(6)) != 0;
WatchpointLoadStoreControl dr = wnr ? WatchpointLoadStoreControl_Store : WatchpointLoadStoreControl_Load;
DebugControlRegister cr = retrieveSplitWatchpointConfig(info->frame->far_el2, 1, dr, false);
if (!cr.enabled) {
DEBUG("GDB: oops, unhandled watchpoint for core id %u, far=%016lx\n", info->coreId, info->frame->far_el2);
} else {
n = GDB_ParseExceptionFrame(buffer, ctx, SIGTRAP);
sprintf(buffer + n, "%swatch:%016lx;", kinds[cr.lsc], info->frame->far_el2);
}
}
// Note: we don't really support 32-bit sw breakpoints, we'll still report them