Commit Graph

164 Commits

Author SHA1 Message Date
dc389da74e Implement an ELFImage struct
This struct allows us to keep track of what memory is used by the loaded executable. For some reason, freeing this memory when the task exits triggers a kernel page fault, so I'm not doing that right now.
2022-10-07 17:54:05 +02:00
594d79143e Kernel: enable -Wconversion 2022-10-06 17:13:34 +02:00
dae2ff8d50 Add mmap and munmap syscalls, and thus, add malloc and free to libc!! (yet again, thanks to the wonderful liballoc) 2022-10-02 20:45:04 +02:00
8e6741ebd6 Rename SYS_version to SYS_getversion 2022-10-02 17:25:56 +02:00
c6b044acab ELFLoader: show permissions of loadable segment 2022-10-02 17:10:24 +02:00
83d23ce8fe Correct the syscall ABI 2022-10-02 17:01:46 +02:00
ac6fdce737 Add 2 new syscalls (sys_version, sys_gettid) 2022-10-01 17:30:31 +02:00
ba4806f9d3 Syscall: do not send user programs' output to the serial console 2022-10-01 15:53:55 +02:00
0e46ea8ada Finally, a text renderer that actually works. We can now see the kernel messages without a serial port :) 2022-10-01 14:27:45 +02:00
008bdf505c Rename gfx.cpp to paint.cpp 2022-10-01 13:09:43 +02:00
30411b4b78 Fix hackiness in converting a uint32_t to a Color, by providing a function to do so 2022-10-01 13:08:47 +02:00
6e6cf5b2b0 Add an ELF Loader!! 2022-10-01 12:15:56 +02:00
ef5994e389 Proper userspace program 2022-09-29 20:06:18 +02:00
f25014a8ed refine syscalls 2022-09-29 19:17:43 +02:00