Tree: d88671efdf

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eos14-bringup

eos20

fdt

fix-fcvt-s-w

gnuconfig

hax

master

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new-sbi-disk

remap

rocc-enable

rv32-putstring

rvt-master

sbi-disk

sbi_emulation_for_perf

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v1.0.0

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Commit Graph

47 Commits (d88671efdfd08f5fcb33b4c4099d79eb82978c62)

Author	SHA1	Message	Date
Andrew Waterman	d88671efdf	Remove uarch counters We'll re-add support for the generic performance counter facility once it exists.	10 years ago
Andrew Waterman	ee00503ebe	Don't assume existence of uarch counters	10 years ago
Andrew Waterman	b94c7a4b07	Refactor pk, bbl, machine into separate libraries Yuck.	10 years ago
Andrew Waterman	ef524be394	S-mode shouldn't ever see misaligned load traps	10 years ago
Andrew Waterman	ad7a60abea	WIP on priv spec v1.9	10 years ago
Andrew Waterman	027ba300cb	Use sbadaddr (not sepc) to resolve instruction page faults	11 years ago
Andrew Waterman	1a8572a47d	Upgrade to privileged architecture 1.7	11 years ago
Andrew Waterman	e474878db4	Fix stack discipline for recursive traps	11 years ago
Andrew Waterman	a79f62f72a	Merge [shm]call into ecall, [shm]ret into eret	11 years ago
Andrew Waterman	6517fe26a2	Update to new privileged spec	11 years ago
Andrew Waterman	5c86450130	work in progress on new supervisor spec	11 years ago
Andrew Waterman	069bdd3f0d	Implement draft of new calling convention Here is the new syscall ABI: syscall number in a7 args in a0 - a6 return value in a0 Here is the integer register map: x0 -> x0 x1 -> ra x2 -> sp x3 -> tp x4 -> gp x5 -> t0 x6 -> t1 x7 -> t2 x8 -> s0 x9 -> s1 x10 -> a0 x11 -> a1 x12 -> a2 x13 -> a3 x14 -> a4 x15 -> a5 x16 -> a6 x17 -> a7 x18 -> s2 x19 -> s3 x20 -> s4 x21 -> s5 x22 -> s6 x23 -> s7 x24 -> s8 x25 -> s9 x26 -> s10 x27 -> s11 x28 -> t3 x29 -> t4 x30 -> t5 x31 -> t6	12 years ago
Andrew Waterman	fda0d85ae4	Don't rely on the C library	12 years ago
Christopher Celio	7b6a968c83	Changes to allow spike & RTL behavior to better match each other. - EI turned off on sys_exit. - IM/IP cleared on start. - badvaddr only saved to tf on page faults.	12 years ago
Christopher Celio	75bc78fac8	PK now advances past breakpoint.	12 years ago
Andrew Waterman	f1f8dbbed0	Abandon MIPS convention for indicating syscall errors in register a3	12 years ago
Andrew Waterman	89a0cefd28	Add -p flag: force physical memory addressing	12 years ago
Andrew Waterman	f62e692e72	Update to new privileged ISA	13 years ago
Yunsup Lee	43c14ea417	sync pcr.h, correctly name SR_EA	13 years ago
Andrew Waterman	186ae3cc35	Renumber PCRs; refer to them with new ASM syntax	13 years ago
Andrew Waterman	3168b8a904	New supervisor mode	13 years ago
Andrew Waterman	cc72987e65	Support Linux ABI and (optionally) virtual memory	13 years ago
Andrew Waterman	276c20be4c	implement new register mapping	13 years ago
Andrew Waterman	accebe9e63	add BSD license	13 years ago
Andrew Waterman	e0e1662fc1	rename binary to pk; change argv handling the new fesvr approach makes argv[0] = pk, rather than user program's name	13 years ago
Christopher Celio	d6a522404a	Added rough emulation support for div/rem/mul.	14 years ago
Andrew Waterman	6336ef155f	fix FP emulation routines to disable, add --disable-fp-emulation to configure command line	14 years ago
Andrew Waterman	15f31b5404	new supervisor mode	14 years ago
Andrew Waterman	8717517e04	Synced up PK with supervisor changes/asm syntax You must upgrade to the latest compiler and ISA simulator to build and run this version of the PK.	15 years ago
Andrew Waterman	0edaecc543	temporary undoing of renaming	15 years ago
Andrew Waterman	e63e4fbe87	Renamed packages	15 years ago
Yunsup Lee	92a8f05f5a	[opcodes,pk,sim] add more vector traps (for #banks, illegal instructions)	15 years ago
Andrew Waterman	bbd999a00e	[sim,pk] cleanups & initial virtual memory support	15 years ago
Andrew Waterman	0be1f5eb1b	[pk] fixed timer interrupt handler, etc.	15 years ago
Andrew Waterman	ba0cf05466	[pk] fixed timer interrupt bug, etc.	15 years ago
Andrew Waterman	27afdf1a00	[sim,pk] fixed minor pk bugs and trap codes	15 years ago
Yunsup Lee	5e7e315dee	[pk] fix init_fp function prototype	15 years ago
Yunsup Lee	033e1e62bd	[pk] add vector_disabled trap handler	15 years ago
Andrew Waterman	4baf0c99c5	[xcc,pk,opcodes,sim] updated encoding/insn names	15 years ago
Andrew Waterman	5c9d48945e	[sim,pk] added interrupt-pending field to cause reg	15 years ago
Andrew Waterman	af2d471a4e	[pk] fixed FP emulation bug kernel would erroneously trap on FP disabled	15 years ago
Andrew Waterman	0cf0242c3b	[pk] added --disable-fp-emulation option for code size	15 years ago
Andrew Waterman	77c382ff23	[pk] improved performance of fp emulation	16 years ago
Andrew Waterman	b4fd490d68	[pk, sim] added FPU emulation support to proxy kernel	16 years ago
Andrew Waterman	3aaacd4476	[xcc,sim] eliminated vectored traps now, the evec register holds the address that all traps vector to, and the cause register is set with the trap number.	16 years ago
Andrew Waterman	5973faacb9	[sim, pk] cleaned up exception vectors and FP exc flags	16 years ago
Andrew Waterman	29cc0dc985	[pk,fesvr] improved proxykernel build system Now uses a modified MCPPBS. Add --host=riscv to configure path. Front-end server now just searches PATH for riscv-pk, so just install the pk to somewhere in your path.	16 years ago
Andrew Waterman	e0d20b2e2d	[xcc,pk,sim] Added first part of FP support In particular, FP loads, stores, and moves now work.	16 years ago