Tree: 9239d63942

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eos14-bringup

eos20

fdt

fix-fcvt-s-w

gnuconfig

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new-sbi-disk

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rocc-enable

rv32-putstring

rvt-master

sbi-disk

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Commit Graph

43 Commits (9239d63942b92c3568ebda26258e49d2acacd229)

Author	SHA1	Message	Date
Andrew Waterman	55982bd019	Align pk trap_entry for RVC	10 years ago
Andrew Waterman	ad7a60abea	WIP on priv spec v1.9	10 years ago
Andrew Waterman	1d78c4a12e	Simplify status register reloading in pk	10 years ago
Andrew Waterman	027ba300cb	Use sbadaddr (not sepc) to resolve instruction page faults	11 years ago
Andrew Waterman	e474878db4	Fix stack discipline for recursive traps	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
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
Andrew Waterman	b71e8ecfda	Assume pc-relative addressing	12 years ago
Andrew Waterman	f62e692e72	Update to new privileged ISA	13 years ago
Andrew Waterman	1f378f55b3	Fix rv32 bug	13 years ago
Andrew Waterman	186ae3cc35	Renumber PCRs; refer to them with new ASM syntax	13 years ago
Andrew Waterman	8416e35fae	Use macro instead of function for save_tf	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	1cc5f32ea1	remove unneeded .ent, .end asm directives	13 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
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
Andrew Waterman	53eb346e31	[sim,pk] reorganized status register	15 years ago
Andrew Waterman	6e7fe98ea9	[xcc,pk,sim,opcodes] added first RVC instruction	15 years ago
Andrew Waterman	9b215d8bb8	[xcc,opcodes,pk,sim] krste's re-renaming spree	15 years ago
Andrew Waterman	5a0bc797e3	[sim, pk, xcc, opcodes] great instruction renaming of 2011	15 years ago
Andrew Waterman	dff73c1d18	[opcodes, pk, sim, xcc] removed nor, normalized macros to addi	15 years ago
Andrew Waterman	4daccfc1cf	[xcc, sim, pk] link register is now x1	16 years ago
Yunsup Lee	9fe7d4f656	[pk,sim,xcc] get rid of at register, introduce tp register	16 years ago
Andrew Waterman	68879a67d0	Revert "[pk] restore correct value to $x1/$x2 after trap" This reverts commit c08c11ad7ea573313668b0231a18a5ea4515eea5.	16 years ago
Andrew Waterman	992187797b	[pk] restore correct value to $x1/$x2 after trap	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	74727add67	[xcc] the great assembler cleanup, part 6 Note that we get spurious warnings because gcc is still generating such directives as .set noat and .set noreorder, which are now meaningless.	16 years ago
Andrew Waterman	5973faacb9	[sim, pk] cleaned up exception vectors and FP exc flags	16 years ago
Andrew Waterman	03e016c3d7	[pk, sim] added interrupt support to sim; added timer interrupt	16 years ago
Yunsup Lee	7fc9ae774b	[pk] new register names	16 years ago
Andrew Waterman	2351867c65	[sim, xcc] added PCRs to replace k0 and k1	16 years ago
Andrew Waterman	dd84f5743d	[pk] proxy kernel support for mixed 32b/64b operation	16 years ago
Andrew Waterman	79a84855df	[pk] Fixed broken PK build process (moved boot into a .c file)	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
Andrew Waterman	b93785370d	[pk,sim,xcc] Renamed instructions to RISC-V spec All word-sized arithmetic operations are now postfixed with 'w', and all double-word-sized arithmetic operations are no longer prefixed with 'd'. mtc0/mfc0 are removed and replaced with mfpcr/mtpcr/mwfpcr/mwtpcr.	16 years ago
Andrew Waterman	9c43984729	Reorganized directory structure Moved cross-compiler to /xcc/ rather than / Added ISA sim in /sim/ Added Proxy Kernel in /pk/ (to be cleaned up) Added opcode map to /opcodes/ (ditto) Added documentation to /doc/	16 years ago