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readmem (ARM): boundary check against end of addressable space

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This commit is contained in:
Martijn Plak 2024-01-23 08:41:53 +01:00
commit ebdd30e92c
2 changed files with 6 additions and 0 deletions
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3
armsrc/appmain.c
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@ -2393,6 +2393,9 @@ static void PacketReceived(PacketCommandNG *packet) {
} else { } else {
// Allow reading from any memory address and length in special 'raw' mode. // Allow reading from any memory address and length in special 'raw' mode.
base = NULL; base = NULL;
// Boundary check against end of addressable space.
if (offset > 0)
count=MIN(count, -offset);
} }
if (isok) { if (isok) {

3
bootrom/bootrom.c
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@ -186,6 +186,9 @@ static void UsbPacketReceived(uint8_t *packet) {
} else { } else {
// Allow reading from any memory address and length in special 'raw' mode. // Allow reading from any memory address and length in special 'raw' mode.
base = NULL; base = NULL;
// Boundary check against end of addressable space.
if (offset > 0)
count=MIN(count, -offset);
} }
if (isok) { if (isok) {