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* print call stack on all low-level errorsKartik K. Agaram2021-05-151-12/+3
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* a little bit more information when lookup failsKartik K. Agaram2021-05-071-1/+31
| | | | | | Basically this should never, ever happen until I start reclaiming heap memory. I believe the only reason it happens is unprotected writes to address 0 or thereabouts.
* expand stack to 16MBKartik K. Agaram2021-04-251-1/+1
| | | | It's also no longer contiguous with code.
* expand memory to 2GBKartik K. Agaram2021-04-251-1/+1
| | | | | | | | It requires more than 1GB to fill the screen with a chessboard pattern using the definition in shell/iterative-definitions.limg. I also speed up the chessboard program by clearing the screen up front and then only rendering the white pixels.
* expand heap to Qemu defaultKartik Agaram2021-04-251-1/+1
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* revert experiment: expand heapKartik K. Agaram2021-04-181-1/+1
| | | | | There are several things in the codebase right now that don't seem sustainable. I need to take them out and bring them back in more gradually.
* experiment: expand heapKartik K. Agaram2021-04-181-1/+1
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* 7842 - new directory organizationKartik K. Agaram2021-03-031-123/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Baremetal is now the default build target and therefore has its sources at the top-level. Baremetal programs build using the phase-2 Mu toolchain that requires a Linux kernel. This phase-2 codebase which used to be at the top-level is now under the linux/ directory. Finally, the phase-2 toolchain, while self-hosting, has a way to bootstrap from a C implementation, which is now stored in linux/bootstrap. The bootstrap C implementation uses some literate programming tools that are now in linux/bootstrap/tools. So the whole thing has gotten inverted. Each directory should build one artifact and include the main sources (along with standard library). Tools used for building it are relegated to sub-directories, even though those tools are often useful in their own right, and have had lots of interesting programs written using them. A couple of things have gotten dropped in this process: - I had old ways to run on just a Linux kernel, or with a Soso kernel. No more. - I had some old tooling for running a single test at the cursor. I haven't used that lately. Maybe I'll bring it back one day. The reorg isn't done yet. Still to do: - redo documentation everywhere. All the README files, all other markdown, particularly vocabulary.md. - clean up how-to-run comments at the start of programs everywhere - rethink what to do with the html/ directory. Do we even want to keep supporting it? In spite of these shortcomings, all the scripts at the top-level, linux/ and linux/bootstrap are working. The names of the scripts also feel reasonable. This is a good milestone to take stock at.
* 7526Kartik Agaram2021-01-161-0/+14
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* 7483Kartik Agaram2021-01-091-1/+1
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* 7138 - type-check array 'length' instructionKartik Agaram2020-10-291-1/+1
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* 6742 - support for formatting in fake screensKartik Agaram2020-09-071-4/+4
| | | | | We still need a few primitives, but we can implement these as needed. I'm ready to call the fake screen done.
* 6659Kartik Agaram2020-07-181-7/+7
| | | | Tighten up some function signatures.
* 6658Kartik Agaram2020-07-181-1/+1
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* 6643Kartik Agaram2020-07-131-1/+1
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* 6627Kartik Agaram2020-07-101-2/+2
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* 6612 - reorganize layersKartik Agaram2020-07-051-0/+953