diff options
Diffstat (limited to 'mips')
| -rw-r--r-- | mips/Makefile | 3 | ||||
| -rw-r--r-- | mips/sim.dts | 79 |
2 files changed, 82 insertions, 0 deletions
diff --git a/mips/Makefile b/mips/Makefile index 627f998e..b43dd5d9 100644 --- a/mips/Makefile +++ b/mips/Makefile @@ -21,6 +21,9 @@ mips.c: $(MIPS_PRE) $(MIPS_TLB) $(MIPS_SAILS) $(MIPS_MAIN) Makefile ../sail mips_c: mips.c ../lib/sail.h Makefile gcc -O2 -g -I ../lib $< ../lib/*.c -lgmp -lz -o $@ +sim.dtb: sim.dts + dtc -O dtb -o $@ -b 0 $< + mips_no_tlb.lem: $(MIPS_PRE) $(MIPS_TLB_STUB) $(MIPS_SAILS) $(SAIL) -lem -o mips_no_tlb -lem_mwords -lem_lib Mips_extras -undefined_gen -memo_z3 $^ mips_no_tlb_types.lem: mips_no_tlb.lem diff --git a/mips/sim.dts b/mips/sim.dts new file mode 100644 index 00000000..d1720441 --- /dev/null +++ b/mips/sim.dts @@ -0,0 +1,79 @@ +/dts-v1/; +/ { + model = "SRI/Cambridge BERI simulation"; + compatible = "sri-cambridge,beri-sim"; + #address-cells = <1>; + #size-cells = <1>; + sri-cambridge,build-time = <0 1527247299>; + sri-cambridge,build-host = "TODO"; + sri-cambridge,build-path = "TODO"; + sri-cambridge,build-source-path = "TODO"; + sri-cambridge,build-source-revision = "TODO"; + + cpus { + #address-cells = <1>; + #size-cells = <1>; + status = "disabled"; + enable-method = "spin-table"; + + cpu@0 { + device-type = "cpu"; + compatible = "sri-cambridge,beri"; + + reg = <0 1>; + status = "okay"; + }; + }; + + cpuintc: cpuintc@0 { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + /* THE PIC IS A LIE! + FreeBSD panics if there isn't one even though + we don't actually need one if we put the UART + in polled mode. We can get away with just pointing + FreeBSD at some plain memory and telling it that + is a PIC... */ + beripic0: beripic@7f804000 { + compatible = "sri-cambridge,beri-pic"; + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <1>; + reg = <0x7f804000 0x400 + 0x7f806000 0x10 + 0x7f806080 0x10 + 0x7f806100 0x10>; + interrupts = < 2 3 4 5 6 >; + hard-interrupt-sources = <64>; + soft-interrupt-sources = <64>; + interrupt-parent = <&cpuintc>; + }; + soc { + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <1>; + + compatible = "simple-bus", "mips,mips4k"; + ranges; + + memory { + device_type = "memory"; + reg = <0x0 0x4000000>; + }; + + serial@7f000000 { + compatible = "altera,jtag_uart-11_0"; + reg = <0x7f000000 0x40>; + /* Removing these two lines puts the UART + in polled mode which is necessary because + we don't have a PIC or a UART capable of + generating interrupts. Fortunately FreeBSD + copes. + interrupts = <0>; + interrupt-parent = <&beripic0>;*/ + }; + }; +}; |