Hi I think yuo can use something like: targets omap3.cpu cortex_m3 dap 0
I have never used any target with multiple taps so this is just guessing from my side. Regards, Magnus Dirk Behme wrote: > Magnus Lundin wrote: >> Hi >> >> The following patch is a first step towards support for sevaral AP in >> one dap. >> >> - Adds a apsel variable, corresponding to the corresponding field in >> the DP SELECT register, to the swjdap structure. >> - adds a function swjdp_apselect(swjdp_common_t *swjdp,u8 apsel) to >> set this variable. >> - adds two cortex_m3 interactive commands >> cortex_m3 dap #n Shows the contents of ROM/Debug base >> register and AP ID Register >> cortex_m3 apsel #n Configures to use AP #n in subsequent memory >> accesses. >> >> This should be a possible starting point to explore other debug >> configurations that the Cortex_M3 >> >> Tested on STM32 with no problems found. I dont have any A8 hardware. > > I tried to use the commands above with OMAP3 Cortex A8. Two questions: > > - OMAP3 has (at least) two TAPs > > > scan_chain > TapName | Enabled | IdCode Expected IrLen > IrCap IrMask Instr > ---|--------------------|---------|------------|------------|------|------|------|--------- > > > 0 | omap3.cpu | Y | 0x00000000 | 0x0b6d602f | 0x04 | > 0x01 | 0x00 | 0x0f > 1 | omap3.jrc | Y | 0x0b7ae02f | 0x0b7ae02f | 0x06 | > 0x01 | 0x0f | 0x3f > > while 'omap3.cpu' is "Cortex A8" where I think above cortex_m3 > commands should work with. How do I tell these commands which TAP to > deal with? I.e. how to select which TAP the DAP and AP commands to > work with? > > - OpenOCD revision 1462 with the patch from this mail: > > -- cut -- > > cortex_m3 dap 0 > invalid command name "cortex_m3_dap" > called at file "command.c", line 456 > called at file "embedded:startup.tcl", line 89 > called at file "embedded:startup.tcl", line 93 > > cortex_m3 dap 1 > invalid command name "cortex_m3_dap" > called at file "command.c", line 456 > called at file "embedded:startup.tcl", line 89 > called at file "embedded:startup.tcl", line 93 > > cortex_m3 apsel 0 > invalid command name "cortex_m3_apsel" > called at file "command.c", line 456 > called at file "embedded:startup.tcl", line 89 > called at file "embedded:startup.tcl", line 93 > > cortex_m3 apsel 1 > invalid command name "cortex_m3_apsel" > called at file "command.c", line 456 > called at file "embedded:startup.tcl", line 89 > called at file "embedded:startup.tcl", line 93 > > > -- cut -- > > Any hint? > > Many thanks and best regards > > Dirk _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
