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# Connect to a mult-icore RISC-V target, exposing each hart as a thread.
adapter_khz     10000

interface remote_bitbang
remote_bitbang_host $::env(REMOTE_BITBANG_HOST)
remote_bitbang_port $::env(REMOTE_BITBANG_PORT)

set _CHIPNAME riscv
jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x10e31913

set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME riscv -chain-position $_TARGETNAME -rtos riscv

gdb_report_data_abort enable
gdb_report_register_access_error enable

# Expose an unimplemented CSR so we can test non-existent register access
# behavior.
riscv expose_csrs 2288
riscv expose_custom 1,12345-12348

init

set challenge [ocd_riscv authdata_read]
riscv authdata_write [expr $challenge + 1]

halt