|
|
914e11e95e
|
Import a basic implementation of mmap() and munmap()
|
2018-06-23 01:21:09 +02:00 |
|
|
|
a0b6928ca8
|
Exit upon errors when multibooting
|
2018-06-21 02:13:19 +02:00 |
|
|
|
47ba6fe99e
|
Implement a basic malloc() in the kernel
|
2018-06-21 02:08:59 +02:00 |
|
|
|
1020b7c0fb
|
Allow kernels without modules to start
|
2018-06-21 02:04:47 +02:00 |
|
|
|
b05c58c8f8
|
Also provide the command line to the kernel
|
2018-06-21 00:41:25 +02:00 |
|
|
|
a0f9602d67
|
Import most of the memory allocator from the libc
This still requires implementing _brk() in the kernel.
|
2018-06-21 00:24:18 +02:00 |
|
|
|
9948eb7a7a
|
Build STDIOConsole like a regular console driver
|
2018-06-21 00:02:14 +02:00 |
|
|
|
81a378c9fe
|
Add a couple comments
|
2018-06-21 00:00:38 +02:00 |
|
|
|
4ac899b883
|
Avoid a compilation warning
|
2018-06-20 21:57:01 +02:00 |
|
|
|
ca6c413f37
|
Code cleanup
|
2018-06-20 21:50:21 +02:00 |
|
|
|
0297043898
|
Use the correct type to access the bus
|
2018-06-19 08:24:27 +02:00 |
|
|
|
77041ec310
|
Use uintptr_t for bus addresses
This currently drastically reduces the amount of compilation warnings.
|
2018-06-19 08:20:05 +02:00 |
|
|
|
a42b74fa4f
|
Remove unused variable
|
2018-06-12 09:20:55 -04:00 |
|
|
|
df3398286b
|
Include missing header <stdio.h>
|
2018-06-12 09:20:41 -04:00 |
|
|
|
6a1bae7da1
|
Create a separate file for the IDT on amd64
|
2018-06-11 18:15:54 -04:00 |
|
|
|
8db00b35a7
|
Register missing dependencies
|
2018-06-08 23:54:45 -04:00 |
|
|
|
d5516fa810
|
Buffer the output of the console until it is available
|
2018-06-08 12:09:26 -04:00 |
|
|
|
c208a2f427
|
Import strncpy() into the library
|
2018-06-08 12:08:26 -04:00 |
|
|
|
5fada57d6a
|
Add driver names to ukConsole drivers
|
2018-06-08 11:33:50 -04:00 |
|
|
|
64451ae791
|
Rework the bus attachment
|
2018-06-08 11:21:57 -04:00 |
|
|
|
0f4f39e067
|
Rework the bus drivers
|
2018-06-08 00:24:55 -04:00 |
|
|
|
bac9bd3bf2
|
Import strncmp()
|
2018-06-08 00:23:14 -04:00 |
|
|
|
ffdc7343f4
|
Import placeholders for free() and malloc()
|
2018-06-07 23:56:26 -04:00 |
|
|
|
8214751336
|
Import abs() for consistency
Since labs() and llabs() are already there, it only makes sense.
|
2018-06-07 23:56:26 -04:00 |
|
|
|
377f7b9b67
|
Rename _end to end
This matches the libc more closely.
|
2018-06-07 23:52:27 -04:00 |
|
|
|
01870ca892
|
Implement fprintf()
|
2018-06-07 17:02:44 -04:00 |
|
|
|
6d171d207d
|
Align assembly operands
|
2018-06-07 11:53:39 -04:00 |
|
|
|
58e0cad31a
|
Simplify kernel code down to a userland lookalike
|
2018-06-07 11:35:01 -04:00 |
|
|
|
ba760161d8
|
Also build the UART console
|
2018-06-07 11:32:29 -04:00 |
|
|
|
cd15ac2ff9
|
Code cleanup
|
2018-06-07 11:28:51 -04:00 |
|
|
|
d1aaccd305
|
Fix output in the UART console
|
2018-06-07 11:28:51 -04:00 |
|
|
|
c500384fba
|
Do not ask the kernel to load itself again
|
2018-06-07 11:28:51 -04:00 |
|
|
|
7cf4f96ff4
|
Constify
|
2018-06-07 11:28:51 -04:00 |
|
|
|
556142e0b5
|
Implement a placeholder for read()
|
2018-06-07 11:28:51 -04:00 |
|
|
|
87ce51d15e
|
Default to three file descriptors opened
|
2018-06-07 11:28:51 -04:00 |
|
|
|
076b9bc577
|
Add support for setting the mode in serial consoles
|
2018-06-07 11:28:51 -04:00 |
|
|
|
355a4b613a
|
Also pass envp and auxv to main()
|
2018-06-07 11:28:51 -04:00 |
|
|
|
ffdf050544
|
Allow the UART console to be loaded
|
2018-06-07 11:28:51 -04:00 |
|
|
|
ad22b10aa3
|
Clarify that reaching the bootloader means failure
|
2018-06-07 11:28:51 -04:00 |
|
|
|
91cde21c72
|
Pass the command line over to the bootloader
|
2018-06-07 11:28:51 -04:00 |
|
|
|
8f959e7569
|
Perform relocations relative to the existing address
This helps support relocations with Elf_Rel and embedded addend values.
|
2018-06-07 11:28:51 -04:00 |
|
|
|
95a5f15947
|
Register more dependencies
|
2018-06-07 11:28:51 -04:00 |
|
|
|
fd88fad441
|
Restore the stack state after calls as expected
|
2018-06-07 11:28:51 -04:00 |
|
|
|
9535d422c6
|
Import a driver for the console on serial ports
|
2018-06-07 11:28:51 -04:00 |
|
|
|
9a1d3ccdf7
|
Code cleanup
|
2018-06-07 11:28:51 -04:00 |
|
|
|
b508738c45
|
Link the kernel and loader with libgcc
It is currently required for a division.
|
2018-06-07 11:28:51 -04:00 |
|
|
|
21470a46af
|
Work on relocations
|
2018-06-07 11:28:51 -04:00 |
|
|
|
6d687d0959
|
Verify if the target symbol is valid
|
2018-06-07 11:28:51 -04:00 |
|
|
|
3c70509368
|
Fixing chaining Multiboot support to the kernel
This still requires removing the kernel itself from the list of modules.
|
2018-06-07 11:28:51 -04:00 |
|
|
|
9fda20ad21
|
Mention which module is loaded as the kernel
|
2018-06-07 11:28:51 -04:00 |
|
|
|
b01e31219e
|
Register a dependency
|
2018-06-07 11:28:51 -04:00 |
|
|
|
d321277d80
|
Abort when failing to relocate
|
2018-06-07 11:28:51 -04:00 |
|
|
|
23761d3dc7
|
Code cleanup
|
2018-06-07 11:28:51 -04:00 |
|
|
|
5d078a4094
|
Restore the stack state after calling multiboot()
|
2018-06-07 11:28:51 -04:00 |
|
|
|
70b9a70645
|
Import missing files
|
2018-06-07 11:28:51 -04:00 |
|
|
|
81623ef3a5
|
Import missing file
|
2018-06-07 11:28:51 -04:00 |
|
|
|
f35f4ed986
|
Add support for 64-bit relocations
|
2018-06-07 11:28:51 -04:00 |
|
|
|
5338c6143b
|
Avoid some compilation warnings
|
2018-06-07 11:28:51 -04:00 |
|
|
|
b2d2221cd5
|
Add support for relocating 32-bit modules
|
2018-06-07 11:28:51 -04:00 |
|
|
|
00d9486b53
|
Align the kernel's Multiboot on the loader
|
2018-06-07 11:28:51 -04:00 |
|
|
|
a4f1f00c1e
|
Also set the IDT in the i386 kernel
|
2018-06-07 11:28:51 -04:00 |
|
|
|
4c91f5ecb0
|
Code cleanup
|
2018-06-07 11:28:51 -04:00 |
|
|
|
5ee403dafd
|
Fully re-use the IDT code from i386
|
2018-06-07 11:28:51 -04:00 |
|
|
|
790d3fb627
|
Allow re-using the Multiboot constants
|
2018-06-07 11:28:51 -04:00 |
|
|
|
9b6b86802f
|
Let consoles be resized
|
2018-06-07 11:28:51 -04:00 |
|
|
|
2c71a23bb2
|
Detect when the VESA console driver should be in use
|
2018-06-07 11:28:51 -04:00 |
|
|
|
1e925e249f
|
Prepare support for non-ELF modules
|
2018-06-07 11:28:51 -04:00 |
|
|
|
e9265d0fc7
|
No longer assume the console may be NULL
|
2018-06-07 11:28:51 -04:00 |
|
|
|
c094f968b7
|
Import missing include "drivers/console.h"
|
2018-06-07 11:28:51 -04:00 |
|
|
|
f037cd0996
|
Add a few comments
|
2018-06-07 11:28:51 -04:00 |
|
|
|
41bdc2fba2
|
Also include <string.h> as required
|
2018-06-07 11:28:51 -04:00 |
|
|
|
33aab60b09
|
Fix a return value
|
2018-06-07 11:28:51 -04:00 |
|
|
|
9e30bc0315
|
Reorganize the whole thing
|
2018-06-07 11:28:51 -04:00 |
|
|
|
89f9b74a83
|
Import more code to jump in 64-bit kernels
|
2018-06-07 11:28:51 -04:00 |
|
|
|
ccfc53af83
|
Use errno to store the error
|
2018-06-07 11:26:00 -04:00 |
|
|
|
3873e014e6
|
Clear the last lines when scrolling
|
2018-06-01 03:18:55 +02:00 |
|
|
|
8f493d836a
|
Correct the VBE information in Multiboot
|
2018-05-30 00:46:40 +02:00 |
|
|
|
4e1048e71a
|
Actually clear the stack after calling functions
|
2018-05-30 00:29:28 +02:00 |
|
|
|
1228db3c42
|
Use the correct flags for ukBootMultibootInfo
|
2018-05-27 20:15:36 +02:00 |
|
|
|
fbbaa8f17c
|
Add constants for ukBootMultibootInfo's flags
|
2018-05-27 20:10:32 +02:00 |
|
|
|
1f9de79442
|
Fix building out of tree with object files already present
|
2018-05-27 20:07:16 +02:00 |
|
|
|
6e5f6d9fc8
|
Fix scrolling the console
|
2018-05-27 19:48:53 +02:00 |
|
|
|
fda77da39a
|
Fix the optimization when scrolling the console
|
2018-05-27 19:48:07 +02:00 |
|
|
|
01befa0359
|
Import <ctype.h> into libuKernel
|
2018-05-27 16:17:14 +02:00 |
|
|
|
7c68d824e3
|
Actually clear the stack after calling functions
|
2018-05-27 15:53:02 +02:00 |
|
|
|
754e16241d
|
Add the _edata symbol to the loader
|
2018-04-12 05:53:15 +02:00 |
|
|
|
eaf8800d78
|
Add the _end symbol to the loader
|
2018-04-12 05:53:05 +02:00 |
|
|
|
5c353eb5a7
|
Import memcmp() into <string.h>
|
2018-04-12 03:02:31 +02:00 |
|
|
|
ad36f07999
|
Correct some types in the bus API
|
2018-04-12 02:41:46 +02:00 |
|
|
|
a9aae10b39
|
Fix some instructions when starting and exiting the kernel
|
2018-04-11 07:14:47 +02:00 |
|
|
|
a1705d2c38
|
Code cleanup
|
2018-04-08 05:26:36 +02:00 |
|
|
|
43c67c0889
|
Fix setting the GDT
|
2018-04-08 05:25:09 +02:00 |
|
|
|
c8ba11c219
|
Import another linker script for 64-bit kernels
|
2018-04-08 00:48:55 +02:00 |
|
|
|
db320f41bd
|
Fix finding the entrypoint for 64-bit kernels
|
2018-04-08 00:35:38 +02:00 |
|
|
|
3369ba4ac6
|
Correct the entrypoint for 32-bit kernels
|
2018-04-07 07:26:55 +02:00 |
|
|
|
27ae6780e0
|
Really try to locate the entrypoint for 64-bit kernels
|
2018-04-07 07:25:55 +02:00 |
|
|
|
b9ff984718
|
Look harder for the kernel's entrypoint
|
2018-04-07 07:13:06 +02:00 |
|
|
|
0aa13f90b3
|
Correct setting the size of the GDT descriptor
|
2018-04-07 06:21:58 +02:00 |
|
|
|
e160aa08be
|
Print the amount of memory available
|
2018-04-07 06:08:30 +02:00 |
|
|
|
14a418a3a2
|
Make the .bss section bigger for the i386 loader
|
2018-04-07 05:54:00 +02:00 |
|
|
|
fdd310cb0c
|
Attempt to jump into 32-bit kernels
|
2018-04-07 05:40:21 +02:00 |
|
|
|
ec663f4669
|
Allow booting 64-bit kernels
|
2018-04-07 05:05:15 +02:00 |
|
|
|
e3859505d0
|
Setup the GDT on i386
|
2018-04-07 05:00:34 +02:00 |
|
|
|
2912fe790e
|
Pass the Multiboot information on to the kernel
|
2018-04-07 03:14:42 +02:00 |
|
|
|
a44261a91c
|
Code cleanup
|
2018-04-07 03:14:28 +02:00 |
|
|
|
f2c140dc41
|
Make better use of <stdio.h>
|
2018-04-06 00:58:42 +02:00 |
|
|
|
524ae76303
|
Avoid some compilation warnings
|
2018-04-06 00:56:43 +02:00 |
|
|
|
d0a4284250
|
Import printf(3) into libuKernel
|
2018-04-06 00:18:16 +02:00 |
|
|
|
bae76e2a62
|
Bring the 64-bit kernel closer to reality
|
2018-04-05 20:20:13 +02:00 |
|
|
|
f6d7587066
|
Generate a smaller version of libuKernel for the loader
This will also help build the 64-bit version of the kernel.
|
2018-04-05 19:45:23 +02:00 |
|
|
|
5084948028
|
Obtain the entrypoint for the kernel
|
2018-04-05 19:30:25 +02:00 |
|
|
|
e0c575856b
|
Register the u{Kernel,Loader}.bin targets
|
2018-04-05 04:39:32 +02:00 |
|
|
|
e94b1124da
|
Remove the multiboot header for the 64-bit kernel
|
2018-04-05 04:41:36 +02:00 |
|
|
|
a34543e1df
|
Fix the build
|
2018-04-05 04:40:55 +02:00 |
|
|
|
2e65f87140
|
Provide the correct compilation flags for an amd64 kernel
|
2018-04-05 04:24:25 +02:00 |
|
|
|
0ccbbe5a03
|
Detect the ELF class of the kernel
|
2018-04-05 04:09:51 +02:00 |
|
|
|
b2f2cf4131
|
Code cleanup
|
2018-04-05 03:47:53 +02:00 |
|
|
|
54ee4ecadd
|
Let the i386 kernel possibly boot on its own
|
2018-04-05 03:47:17 +02:00 |
|
|
|
beff2a1007
|
Report errors when missing the kernel
|
2018-04-05 03:37:19 +02:00 |
|
|
|
7562b69ed5
|
Let the console be located by name
|
2018-04-05 03:24:14 +02:00 |
|
|
|
861e03c019
|
Use puts(9) to print to the console
|
2018-04-05 03:09:27 +02:00 |
|
|
|
186cfff0f1
|
Introduce <stdio.h>
|
2018-04-05 03:08:56 +02:00 |
|
|
|
cbe0064bac
|
Avoid potential crashes in the console
|
2018-04-05 03:08:04 +02:00 |
|
|
|
eeff2ec519
|
Let shipping architecture-dependent files be easier
|
2018-04-05 02:25:01 +02:00 |
|
|
|
18db76ca5a
|
Move code around for better isolation
|
2018-04-05 02:15:30 +02:00 |
|
|
|
58bb9a5124
|
Code cleanup
|
2018-04-05 01:20:57 +02:00 |
|
|
|
4aac25ed3c
|
Fix the build
|
2018-04-05 01:19:53 +02:00 |
|
|
|
ca7fa1fac5
|
Turn the current kernel into a Multiboot loader
|
2018-04-05 01:10:08 +02:00 |
|
|
|
286d2aba01
|
Add strlen() to <string.h>
|
2018-04-05 01:08:07 +02:00 |
|
|
|
1a8cf835fb
|
Let the default bus be configured
|
2018-04-04 23:45:40 +02:00 |
|
|
|
6b9ec3f30b
|
Add strcmp() to <string.h>
|
2018-04-04 23:45:09 +02:00 |
|
|
|
75087533be
|
Rework cursor management for the "vga" console
|
2018-04-04 05:18:58 +02:00 |
|
|
|
31bd71852a
|
Rename the "stdio" bus to "tty"
This will help disambiguate from the console driver of the same name.
|
2018-04-04 03:58:20 +02:00 |
|
|
|
7416dcb8ac
|
Avoid some compilation warnings
|
2018-04-04 03:54:49 +02:00 |
|
|
|
edbfc3602a
|
Consider the address as the file descriptor
|
2018-04-04 03:46:34 +02:00 |
|
|
|
cfe8938f38
|
Also ship the "stdio" bus driver
|
2018-04-04 03:45:42 +02:00 |
|
|
|
5e2ba55f86
|
Also ship the "stdio" console driver
|
2018-04-04 03:45:20 +02:00 |
|
|
|
ca9dc4bb53
|
Use buses for the userland implementation as well
|
2018-04-04 03:29:15 +02:00 |
|
|
|
7bb329e41a
|
Migrate the console driver to a class
|
2018-04-04 02:43:48 +02:00 |
|
|
|
9bd6b85451
|
Code cleanup
|
2018-04-04 02:12:00 +02:00 |
|
|
|
202e0bb0ce
|
Add a prefix to kernel classes
|
2018-04-04 02:11:01 +02:00 |
|
|
|
0ef750cd7e
|
Migrate the bus driver to a class
|
2018-04-04 02:04:09 +02:00 |
|
|
|
e938588d31
|
Always report success from outb()
|
2018-04-04 02:00:17 +02:00 |
|
|
|
520baba815
|
Add support for moving the cursor
|
2018-04-04 01:47:03 +02:00 |
|
|
|
d67fe7e2f0
|
Introduce the "ioport" bus
|
2018-04-04 01:46:35 +02:00 |
|
|
|
00360e361d
|
Introduce <errno.h>
|
2018-04-04 01:37:36 +02:00 |
|
|
|
61dd856d6c
|
Really disable the stack protector on OpenBSD
|
2018-03-28 06:25:39 +02:00 |
|
|
|
f46f70cc18
|
Fix importing crt{begin,end}.o
This may not bring the right versions of the object files though
(missing flags to $(CC)).
|
2018-03-28 05:52:45 +02:00 |
|
|
|
7a4342dfba
|
Determine the {C,LD}FLAGS from a shell script
This should simplify targeting specific architectures for the moment.
|
2018-03-28 05:20:30 +02:00 |
|
|
|
5ca17648bf
|
Begin a port on the amd64 architecture
This is still far from working.
|
2018-03-27 00:11:45 +02:00 |
|
|
|
8d00697ed8
|
Add copyright information
|
2018-03-27 00:04:18 +02:00 |
|
|
|
335a0e4395
|
Code cleanup
|
2018-03-27 00:03:20 +02:00 |
|
|
|
d07ee6b951
|
No longer build with -m32 by default
This is currently correct, since only i386 is supported. To
cross-compile from amd64, it is still possible to use CC="gcc -m32".
|
2018-03-27 00:02:17 +02:00 |
|
|
|
e7113a8b49
|
Build libuKernel with -fPIC by default
|
2018-03-27 00:01:17 +02:00 |
|
|
|
5e6d68106b
|
Move libuKernel to a subdirectory
|
2018-03-23 02:43:26 +01:00 |
|
|
|
6bd4ff4773
|
Also link with crt{begin,end}.o
|
2018-03-23 02:34:57 +01:00 |
|
|
|
c5addb33f4
|
Add support for the global constructors
|
2018-03-23 02:28:54 +01:00 |
|
|
|
195bd77aa6
|
Register more object types
|
2018-03-23 02:07:22 +01:00 |
|
|
|
9a2cf8af5c
|
Introduce libuKernel
|
2018-03-21 22:45:11 +01:00 |
|
|
|
22b23c8521
|
Register some dependencies
|
2018-03-21 03:17:51 +01:00 |
|
|
|
3a0315f9aa
|
Implement abort() with exit()
|
2018-03-21 03:15:28 +01:00 |
|
|
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2d55e05bfc
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Add support for stack-smashing protection (SSP)
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2018-03-21 03:04:45 +01:00 |
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c9245359ef
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Add memset()
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2018-03-21 02:30:12 +01:00 |
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532ac8f131
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Implement screen scrolling (untested)
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2018-03-21 02:28:45 +01:00 |
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1a773d7ab2
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Print a message while booting
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2018-03-21 02:08:31 +01:00 |
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00ef683c6b
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Move definitions into vga.h
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2018-03-21 01:59:28 +01:00 |
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5678808c6f
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Introduce <stddef.h> and <stdint.h>
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2018-03-21 01:57:33 +01:00 |
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3403f067df
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Code cleanup
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2018-03-20 03:41:35 +01:00 |
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8adfbfbabd
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Code cleanup
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2018-03-20 03:35:45 +01:00 |
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9d1ba0a978
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Clear the VGA console upon initialization
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2018-03-20 03:32:31 +01:00 |
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0f259d551b
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Move the console code to a separate driver
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2018-03-20 03:20:19 +01:00 |
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f6d38bf5fa
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Force the kernel to be built in 32-bits mode
Focus on the 32-bits architecture for the moment.
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2018-03-20 02:58:33 +01:00 |
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527a5e783f
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Use CFLAGS in ASFLAGS when using cc(1) as as(1)
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2018-03-20 02:38:36 +01:00 |
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c289b6e529
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Register some targets and intermediate files
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2018-03-19 00:40:56 +01:00 |
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972e977ef7
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Initial import
This is directly inspired by https://wiki.osdev.org/Bare_Bones.
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2018-03-19 00:40:47 +01:00 |
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