Lines Matching refs:kernel

6 The kernel contains a GDB stub that talks GDB remote protocol across a serial
7 port. This permits GDB to single step through the kernel, set breakpoints and
8 trap exceptions that happen in kernel space and interrupt execution. It also
9 permits the NMI interrupt button or serial port events to jump the kernel into
14 generate level 15 interrupts (NMI). The kernel proper cannot see the serial
31 Firstly, a debuggable kernel must be built. To do this, unpack the kernel tree
40   (*) "In-kernel GDB stub"
43       kernel.
54       command line. That tells the kernel to pass system console messages to
60 "Immediate activation" was selected, then the kernel will wait for GDB to
61 attach. If not, then the kernel will boot immediately and GDB will have to
63 the kernel.
76 Then start GDB in the base of the kernel tree:
102 This should show the appropriate lines from the source too. The kernel can
110 The kernel can be interrupted whilst it is running, causing a jump back to the
114       kernel by sending an RS232 BREAK over the serial line to the GDB
115       stub. This will (mostly) immediately interrupt the kernel and return it
128 if they are caused by kernel execution. It will also intercept BUG() macro