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Paul Mackerras
470f1b2140
This compares the address being fetched with the contents of a register that can be set via DMI, and if they match, stops the logging. Since this works on the address being fetched rather than executed, it is subject to false positives. Signed-off-by: Paul Mackerras <paulus@ozlabs.org> |
3 years ago | |
|---|---|---|
| .. | ||
| Makefile | 4 years ago | |
| README | 4 years ago | |
| mw_debug.c | 3 years ago | |
README
mw_debug is the microwatt debugger. It can talk to the simulator using a socket. On an Arty board it uses the FTDI device via liburjtag. ## Building on Fedora ``` dnf install urjtag-devel make ``` If you commonly use it against one target, create an alias as follows: ``` alias mw="$HOME/microwatt/scripts/mw_debug/mw_debug -b jtag" $ mw gpr 0 10 Connected to libftdi driver. Found device ID: 0x0362d093 r0: 0000000000001094 r1: 0000000000001ed0 r2: 000000000000a000 r3: 0000000000000003 r4: 000000000000000d r5: 00000000ffff2ca5 r6: 00000000ffff3eb8 r7: 0000000000000000 r8: 00000000ffff3c33 r9: 0000000000000003 Core: running NIA: 00000000000011d4 MSR: 8000000000000001 ``` ## Building on Debian Debian disables the library in the urjtag package. Instead, build against local urjtag: ``` sudo apt install libftdi-dev git clone https://git.code.sf.net/p/urjtag/git urjtag cd urjtag/urjtag ./autogen.sh make ``` And then uncomment the following line in Makefile to build against that copy ``` CFLAGS += -I urjtag/urjtag/include/ -L urjtag/urjtag/src/.libs/ ``` To run: ``` alias mw="LD_LIBRARY_PATH=$HOME/microwatt/scripts/mw_debug/urjtag/urjtag/src/.libs/ $HOME/microwatt/scripts/mw_debug/mw_debug -b jtag" $ mw Connected to libftdi driver. Found device ID: 0x0362d093 Core: running NIA: 00000000000011b8 MSR: 8000000000000001 ```