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head/sys/conf/Makefile.riscv
| Show All 29 Lines | |||||
| # Set the ELF LMA to the address that OpenSBI's fw_jump jumps to. This allows | # Set the ELF LMA to the address that OpenSBI's fw_jump jumps to. This allows | ||||
| # us to load the kernel with the -kernel flag in QEMU without having to embed | # us to load the kernel with the -kernel flag in QEMU without having to embed | ||||
| # it inside BBL or OpenSBI's fw_payload first. | # it inside BBL or OpenSBI's fw_payload first. | ||||
| # Note: For rv32 the start address is different (0x80400000). | # Note: For rv32 the start address is different (0x80400000). | ||||
| # We set this value using --defsym rather than hardcoding it in ldscript.riscv | # We set this value using --defsym rather than hardcoding it in ldscript.riscv | ||||
| # so that different kernel configs can override the load address. | # so that different kernel configs can override the load address. | ||||
| KERNEL_LMA?= 0x80200000 | KERNEL_LMA?= 0x80200000 | ||||
| LDFLAGS+= --defsym='kernel_lma=${KERNEL_LMA}' | |||||
| SYSTEM_LD= @${LD} -N -m ${LD_EMULATION} -Bdynamic -T ${LDSCRIPT} ${_LDFLAGS} \ | |||||
| --no-warn-mismatch --warn-common --export-dynamic \ | |||||
| --defsym='kernel_lma=${KERNEL_LMA}' \ | |||||
| --dynamic-linker /red/herring \ | |||||
| -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o | |||||
| .if !empty(DDB_ENABLED) | .if !empty(DDB_ENABLED) | ||||
| CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls | CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls | ||||
| .endif | .endif | ||||
| # hack because genassym.c includes sys/bus.h which includes these. | # hack because genassym.c includes sys/bus.h which includes these. | ||||
| genassym.o: bus_if.h device_if.h | genassym.o: bus_if.h device_if.h | ||||
| Show All 15 Lines | |||||