Imbus/xv6-riscv-kernel
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  • 4087a6e7fc Read and write p->killed using atomics Frans Kaashoek 2022-08-10 20:35:42 -04:00
  • b1fd09335a Merge remote-tracking branch 'g/riscv' into riscv Frans Kaashoek 2022-08-10 10:31:54 -04:00
  • e67cb408d4 x Robert Morris 2022-08-10 07:06:49 -04:00
  • 07cf0eb255 have sh print prompt with write, not printf, to make system call lecture a little clearer. Robert Morris 2022-08-10 06:42:17 -04:00
  • c908d20132 put walk() in defs.h so it's clear students can call it Robert Morris 2022-08-10 06:41:00 -04:00
  • 143cde639d Merge remote-tracking branch 'github/riscv' into riscv Frans Kaashoek 2022-08-10 07:18:39 -04:00
  • e606f95459 x Robert Morris 2022-08-10 07:06:49 -04:00
  • c3a17f454a have sh print prompt with write, not printf, to make system call lecture a little clearer. Robert Morris 2022-08-10 06:42:17 -04:00
  • 311479ceb7 put walk() in defs.h so it's clear students can call it Robert Morris 2022-08-10 06:41:00 -04:00
  • 76ad8e974f avoid user-level segfault if a process doesn't call exit() Robert Morris 2022-08-10 06:37:21 -04:00
  • 872fa88e8a tolerate running out of disk blocks Robert Morris 2022-08-10 06:13:52 -04:00
  • 7d573bae2a Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv Robert Morris 2022-08-10 06:00:57 -04:00
  • f4b3edf5ab comment nits Robert Morris 2022-08-10 06:00:40 -04:00
  • 535f1797f0 nothing much Robert Morris 2022-08-09 15:11:25 -04:00
  • 2462656f21 [user/ls]: List specific device file John Jolly 2021-11-06 04:47:37 +00:00
  • 9f3673c4da fix 'kfree' comment in kalloc.c WaheedHafez 2021-11-19 18:45:49 +02:00
  • c1c16269b1 fix comment in mkfs.c mrm 2021-12-28 07:06:14 +09:00
  • 62d8da06cd [user/ls]: List specific device file John Jolly 2021-11-06 04:47:37 +00:00
  • 96da76a728 fix 'kfree' comment in kalloc.c WaheedHafez 2021-11-19 18:45:49 +02:00
  • f33f0d8622 fix comment in mkfs.c mrm 2021-12-28 07:06:14 +09:00
  • a2e4051b99 Added missing va_end(). Ravjot Singh Samra 2021-12-28 13:53:42 +13:00
  • 431e21f7d4 Added missing va_end(). Ravjot Singh Samra 2021-12-28 13:53:42 +13:00
  • 7d8bfdcbe3 nothing much Robert Morris 2022-08-09 15:11:25 -04:00
  • dd431c400a README: Fix formatting in acknowledgements olf 2022-01-20 23:27:06 +01:00
  • 7c958af782 enable reading memory using gdb Rahul Thomas 2022-07-16 01:47:13 -07:00
  • 27a669ef25 comment nits Robert Morris 2022-08-09 14:17:46 -04:00
  • af9abaca05 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv Robert Morris 2022-08-09 13:41:51 -04:00
  • 3abd7a16dd comment Robert Morris 2022-08-09 13:41:45 -04:00
  • cf0c095721 sscratch cleanup Robert Morris 2022-08-09 12:14:29 -04:00
  • 9fc9f755e1 adopt github PR98 (No need to store TRAPFRAME in sscratch register) Robert Morris 2022-08-09 11:44:02 -04:00
  • ca6fc54934 tweak virtio comments Robert Morris 2022-08-08 11:10:54 -04:00
  • 84fb6f3dc2 Merge branch 'virtio' into riscv Frans Kaashoek 2022-08-02 11:44:40 -04:00
  • 1b02b08db1 Mark runcmd with attribute noreturn, since it doesn't return Frans Kaashoek 2022-08-02 09:38:22 -04:00
  • 84a1bdb5aa Revert "Not treat infinite-recursion as error" Frans Kaashoek 2022-08-02 09:37:30 -04:00
  • 759bb34113 Not treat infinite-recursion as error Dezhi Wu 2022-06-08 21:02:50 +08:00
  • cd00a8233a port virtio_disk to virtio spec 1.0+ Xi Wang 2021-10-17 22:33:39 -07:00
  • a1da53a5a1 update Frans Kaashoek 2021-09-01 07:31:22 -04:00
  • 8ca56e9e0b memmove(dst, src, 0) leads to overflow in while(n-- > 0) as n is uint64 (thanks Matúš Jókay <matus.jokay@stuba.sk>) Frans Kaashoek 2021-09-01 07:29:12 -04:00
  • bf4816c9c6 Delete unused code (Jude Rich <juder11@gmail.com>) Frans Kaashoek 2021-09-01 07:24:07 -04:00
  • 02424b1f84 update Frans Kaashoek 2021-08-31 21:05:42 -04:00
  • a103113db0 fix ld warning: undefined symbol _entry yzhu 2020-10-20 21:42:34 +08:00
  • 840aae871f die Pavan Maddamsetti 2020-10-21 03:03:17 -04:00
  • e07ca66145 comment Pavan Maddamsetti 2020-11-08 01:56:57 -05:00
  • 19ff379661 exec() only accepts MAXARG arguments l0stman 2020-11-10 07:48:02 +03:00
  • 9195142959 Assert that the size in mappages() is always positive l0stman 2020-11-10 08:31:16 +03:00
  • f55def8a64 Change inode cache in main.c to inode table kimjungwow 2020-12-04 04:46:50 +00:00
  • dd6d5d0a41 I fixed a typo in the comment. amane-uehara 2020-12-12 03:08:14 +09:00
  • 49f1e2f888 fix a invalid printf format string flespark 2021-01-03 21:07:12 +08:00
  • 1226b09dc4 Remove setproc prototype OptimisticSide 2021-04-16 09:14:13 -07:00
  • f524198792 fix comment for 'sepc' Vadim Kolontsov 2021-05-16 21:56:46 +03:00
  • 8d4ff0bc1e fix typos in user/usertest.c & kernel/log.c FIXED-TERM Chen Ian (BT-CO/QMM5) 2021-05-18 11:29:42 +08:00
  • 9655f71758 Configure PMP at boot Jonathan Behrens 2021-08-30 16:27:52 -04:00
  • 6de0381d61 check for alignment just once Robert Morris 2021-08-10 07:12:41 -04:00
  • 3b3f83f100 check that there's no panic if user process tries to write >= MAXVA Robert Morris 2021-08-06 11:06:24 -04:00
  • 08c9eda85f sync usertests Robert Morris 2021-07-02 14:24:45 -04:00
  • 1841baa3dd keep usertests.c in sync with riscv-sol-2020 Robert Morris 2021-07-02 09:57:14 -04:00
  • 077323a8f0 Rename icache to itable Frans Kaashoek 2020-11-23 19:30:15 -05:00
  • 6e3f75c2aa suppress an incorrect error message in grind Robert Morris 2020-11-19 16:48:41 -05:00
  • 231c08dc5e Merge remote-tracking branch 'refs/remotes/origin/riscv' into riscv Frans Kaashoek 2020-11-05 19:51:41 -05:00
  • 60b63b9d07 x Frans Kaashoek 2020-11-05 19:00:37 -05:00
  • ef97f65025 kill/status test Frans Kaashoek 2020-11-05 17:32:35 -05:00
  • b4c2851bb3 Be principled: acquire lock first Frans Kaashoek 2020-11-05 11:09:21 -05:00
  • 38084bcea8 proc_tree_lock -> wait_lock Robert Morris 2020-11-05 09:47:59 -05:00
  • ba8d9f4808 don't over-lock in exit() Robert Morris 2020-11-05 07:32:10 -05:00
  • 9599a8e616 x Frans Kaashoek 2020-11-05 19:00:37 -05:00
  • d7b308fe81 kill/status test Frans Kaashoek 2020-11-05 17:32:35 -05:00
  • b63d3506e9 Be principled: acquire lock first Frans Kaashoek 2020-11-05 11:09:21 -05:00
  • 774288e05a proc_tree_lock -> wait_lock Robert Morris 2020-11-05 09:47:59 -05:00
  • bc943c2309 don't over-lock in exit() Robert Morris 2020-11-05 07:32:10 -05:00
  • 47323c97cf oops Robert Morris 2020-11-03 16:35:20 -05:00
  • 2875069973 Frans' proc_lock. Robert Morris 2020-11-03 15:02:08 -05:00
  • b48ea5d220 free proc if kalloc fails Robert Morris 2020-11-01 11:11:38 -05:00
  • 5e392531c0 hopefully make writei more correct Robert Morris 2020-10-23 10:18:30 -04:00
  • e1bb4c7434 test for closed pipe or killed on every char, not just if pipe full Robert Morris 2020-10-22 06:36:36 -04:00
  • 329935eca8 fix uart.c to work with UART_TX_BUF_SIZE == 1 Robert Morris 2020-10-20 07:02:44 -04:00
  • 13dccb0380 consolewrite does not need cons.lock -- can lead to sleep() with lock held Robert Morris 2020-10-20 06:55:51 -04:00
  • 7dea4b93c8 oops Robert Morris 2020-11-03 16:35:20 -05:00
  • 8d4fbc6e2a Frans' proc_lock. Robert Morris 2020-11-03 15:02:08 -05:00
  • af570f582c free proc if kalloc fails Robert Morris 2020-11-01 11:11:38 -05:00
  • d7c0a1b7a7 hopefully make writei more correct Robert Morris 2020-10-23 10:18:30 -04:00
  • 147855e521 test for closed pipe or killed on every char, not just if pipe full Robert Morris 2020-10-22 06:36:36 -04:00
  • 4df1a265cb fix uart.c to work with UART_TX_BUF_SIZE == 1 Robert Morris 2020-10-20 07:02:44 -04:00
  • 55ad99f729 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv Robert Morris 2020-10-20 06:58:58 -04:00
  • 286b2f3c33 consolewrite does not need cons.lock -- can lead to sleep() with lock held Robert Morris 2020-10-20 06:55:51 -04:00
  • 05a7db1a0a Fix minor typos Fumiya Shigemitsu 2019-10-21 21:01:07 +09:00
  • d4cecb269f kvmmake() makes a complete kernel page table, matching Figure 3.3 Frans Kaashoek 2020-10-14 20:03:14 -04:00
  • 21cfc97809 set riscv use-compressed-breakpoints yes Robert Morris 2020-10-07 12:57:55 -04:00
  • 93378618df Fix minor typos Fumiya Shigemitsu 2019-10-21 21:01:07 +09:00
  • c64aa44d7b kvmmake() makes a complete kernel page table, matching Figure 3.3 Frans Kaashoek 2020-10-14 20:03:14 -04:00
  • 806580d642 set riscv use-compressed-breakpoints yes Robert Morris 2020-10-07 12:57:55 -04:00
  • bebecfd6fd more explicable scratch area size for machine-mode timer interrupts Robert Morris 2020-10-05 15:28:01 -04:00
  • c199afe4c8 Don't map the CLINT, since it never used in the kernel in supervisor mode Frans Kaashoek 2020-10-05 09:17:47 -04:00
  • c61cc69413 eliminate virtio DMA into kernel stacks. Robert Morris 2020-10-05 06:59:33 -04:00
  • 3092fe2c9e improve virtio_disk comments; bring it closer to wording in the spec Robert Morris 2020-10-05 06:26:58 -04:00
  • 548ffc97e1 don't unpin if recovering -- the resulting negative refcnt suppresses next unpin Robert Morris 2020-10-04 13:29:04 -04:00
  • aeaf610c67 avoid deadlock by disk intr acking interrupt first, then processing ring Robert Morris 2020-10-04 09:21:03 -04:00
  • 3c70be9070 often causes deadlock after a few minutes Robert Morris 2020-10-04 08:44:32 -04:00
  • 6c16759503 more explicable scratch area size for machine-mode timer interrupts Robert Morris 2020-10-05 15:28:01 -04:00
  • 0c55849d28 Don't map the CLINT, since it never used in the kernel in supervisor mode Frans Kaashoek 2020-10-05 09:17:47 -04:00
  • a9b3dd457c eliminate virtio DMA into kernel stacks. Robert Morris 2020-10-05 06:59:33 -04:00