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This emulation mode supports software translation of an AP request into an address mapped transaction that does not rely on physical AP hardware. This is necessary in some hardware such as K3 SoCs since the hardware architecture anticipates a potential race condition between AP doing direct memory access generating transactions back to system bus and firewalls that data path out. This emulation mode allows direct memory driver to emulate CoreSight Access Port (AP) and reuse the SoC configuration meant for JTAG debuggers. Since the address ranges are flat in nature, the requisite memory base and size will need to be provided a-priori to the driver for mapping. The other design alternative would be to map requested memory map for every register operation, but, that would defeat our intent of getting max debug performance. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Jason Peck <jpeck@ti.com> Change-Id: I2d3c5f7833f1973e90b4f6b247827f62fc2905d0 Reviewed-on: https://review.openocd.org/c/openocd/+/7089 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com> |
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| .. | ||
| manual | ||
| usb_adapters | ||
| .gitattributes | ||
| Makefile.am | ||
| checkpatch.rst | ||
| fdl.texi | ||
| openocd.1 | ||
| openocd.texi | ||