f42e325785
Generate C code in OBJDIR
...
This should allow merging in the project without breaking "make dist"
after "make distclean".
This currently requires GCC though (for "-include").
2018-09-17 00:59:20 +02:00
c101f525d0
Let each architecture initialize its own platform
2018-09-17 00:38:35 +02:00
c9e099f0c2
Generate platform code from configuration
2018-09-16 17:29:08 +02:00
4139059c02
Avoid a couple divisions in the kernel
...
This helps compiling the kernel on NetBSD/amd64.
2018-08-25 02:00:21 +02:00
f139e583a8
Fix "make dist"
2018-08-23 21:44:49 +02:00
1c83f25941
Add get{pid,ppid}()
2018-08-23 21:44:34 +02:00
d14a72fd1d
Update some dependencies
2018-08-23 02:09:24 +02:00
2085957927
Also mention QEMU's debug console I/O port
2018-08-23 01:56:06 +02:00
26c8bb115c
Link every executable binary with crt{i,n}.o
2018-08-22 02:30:22 +02:00
d5d96defdd
Allow year 2000 to have 366 days as it did
2018-08-14 19:05:16 +02:00
34dec8f44a
Optimize a loop away
2018-08-14 19:05:00 +02:00
7a372859b8
Avoid signedness issues in a comparison
2018-08-13 23:27:57 +02:00
d3fbcb0886
Rework the epoch calculation
2018-08-13 23:21:42 +02:00
b0f8c18858
Avoid a couple compilation warnings
2018-08-09 03:02:06 +02:00
2a7370468a
Minor optimization
2018-08-09 02:48:21 +02:00
47f78af238
Minor optimization
2018-08-09 02:47:16 +02:00
d337ec5e10
Divide with constants when possible
...
This may also help optimize a division away.
2018-08-09 02:13:27 +02:00
46275340ad
Use crt{begin,end}.o again
...
This is instead of crt{begin,end}S.o. It seems to work fine with the
regular toolchain from NetBSD, and should help when building with
cross-compilers.
2018-08-09 02:07:31 +02:00
4a94984f78
Reduce the diff with DeforaOS libc
2018-08-04 02:25:40 +02:00
1e03411484
Import fixes for memory allocation from DeforaOS libc
2018-08-04 01:58:43 +02:00
c24f2d44a1
Code cleanup
2018-08-04 01:58:39 +02:00
295b7b4afe
Always print to a valid console
2018-08-03 03:03:44 +02:00
bbca21b808
Code cleanup
2018-08-03 03:03:35 +02:00
4f8536876a
Always use clock drivers with a valid instance
2018-08-03 02:17:38 +02:00
7af49989ec
Do not compile _multiboot_start when not used
2018-08-03 01:53:06 +02:00
c7944c91da
Code cleanup
2018-08-03 01:51:07 +02:00
018cdae162
Import realloc() in libuKernel
2018-08-02 23:38:41 +02:00
b5f0cf9f88
Avoid a few compilation warnings
2018-08-02 23:16:23 +02:00
447dcd6494
Code cleanup
2018-07-27 03:20:58 +02:00
2927b26d74
Separate the bus code from the VGA display driver
2018-07-27 03:15:40 +02:00
0b8a38ca45
Fix building the UART console driver
2018-07-21 05:30:43 +02:00
b6f3407b7d
Import missing file
2018-07-21 05:23:53 +02:00
e16d7923ec
Consider VGA and VESA as display drivers
2018-07-21 05:20:45 +02:00
c833a991c4
Remove unused header
2018-07-21 03:47:28 +02:00
a56ae53260
Define and use a few more constants
2018-07-21 03:50:59 +02:00
9f7b7dd810
Remove explicit casts
2018-07-21 03:50:59 +02:00
f23e59a8cb
Add support for '\r' on VGA displays
2018-07-21 03:50:59 +02:00
c70d1748ba
Add the usual base addresses for further serial ports
2018-07-19 02:04:51 +02:00
94d410d834
Unify the search path for includes
2018-07-17 14:37:55 +02:00
3b08127954
Expose CMOS bus commands to potential users
2018-07-17 13:38:47 +02:00
fcbbdfa986
Describe and use one more constant
2018-07-17 13:33:41 +02:00
0ca35efa15
Describe and use more constants
2018-07-17 02:16:59 +02:00
96398850bc
Code cleanup
2018-07-17 02:12:03 +02:00
4ffeb920c2
Substract 1970 to the date guessed for the Epoch
2018-07-17 02:08:16 +02:00
513623335e
Convert the date obtained to decimal if necessary
2018-07-17 02:06:13 +02:00
8901252c74
Code cleanup
2018-07-17 02:02:07 +02:00
f0834c0d76
Keep errno when devices fail to attach
2018-07-16 02:00:01 +02:00
7a20a906ad
Remove debugging information
2018-07-16 01:38:58 +02:00
00069745d9
Improve the messages when initializing drivers
2018-07-16 01:40:49 +02:00
c2c5d522cd
Add commands to enable or disable NMI
...
NMI stands for Non Maskable Interrupts.
2018-07-16 01:40:49 +02:00
f41d41e6e3
Change the order of arguments when getting the time
2018-07-16 01:40:43 +02:00
b6e22cac7f
Remove the CMOS weekday register
...
It is apparently notoriously unreliable, and should not be used.
2018-07-16 01:40:11 +02:00
90c7f9eb0e
Add a delay when reading from the CMOS bus
2018-07-16 01:40:11 +02:00
e935772f91
Code cleanup
2018-07-16 01:40:11 +02:00
2e71212695
Code cleanup
2018-07-15 23:37:33 +02:00
582a537575
Enable interrupts again
2018-07-15 05:49:05 +02:00
b5e6e07701
Set the IDT more like the GDT
...
This makes its initialization easier.
2018-07-15 05:46:34 +02:00
655e39736c
Code cleanup
2018-07-15 03:58:31 +02:00
f59ea7131e
Do not enable interrupts yet
...
This requires an interrupt handler to be configured first.
2018-07-15 03:56:00 +02:00
9a4e58760f
Initialize the PIC
2018-07-15 03:55:08 +02:00
1d5a7a558b
Initialize the clock
2018-07-15 03:54:42 +02:00
9480761ca2
Import a driver for the 8259a PIC
...
This is specific to Intel x86 platforms.
Not tested yet.
2018-07-15 03:47:33 +02:00
702497e79b
Also build the PIC framework helper
2018-07-15 03:44:15 +02:00
758a0673a4
Compare the results obtained for consistency
2018-07-15 03:43:02 +02:00
915ab5828d
Check if the clock data is available
2018-07-15 03:40:47 +02:00
c6672662af
Code cleanup
2018-07-15 03:38:36 +02:00
644d3ce68e
Code cleanup
2018-07-15 03:36:53 +02:00
bc9aaf9fc8
Code cleanup
2018-07-15 03:36:28 +02:00
164fc9c5d5
Let bus drivers handle custom commands
2018-07-15 03:35:59 +02:00
67f9ed2698
Add iowait() to the I/O port operations
2018-07-15 03:34:25 +02:00
5f4514de4f
Import a framework to program PICs
2018-07-15 01:21:54 +02:00
3f044e4d09
Register a missing dependency on src/arch/i386/intr.S
2018-07-15 01:09:04 +02:00
9465401609
Move the CMOS clock constants to a dedicated file
2018-07-15 01:07:38 +02:00
f96504400a
Code cleanup
2018-07-15 01:07:12 +02:00
b2d68c57b5
Do not ship stdio.c twice
2018-07-15 00:52:35 +02:00
cf919577c7
Use the relocatable versions of crt{begin,end}.o
2018-07-06 01:35:38 +02:00
7ace62c040
Let configure handle $(OBJDIR) for crt{begin,end}.o
...
This should be the appropriate way now that configure uses $(OBJDIR) by
default for non-phony commands.
2018-07-06 01:33:52 +02:00
2052b79c37
Avoid a compilation warning
2018-06-25 02:18:55 +02:00
d890ba8541
Correct some dependencies
2018-06-25 02:24:05 +02:00
e5bc6ea415
Import a crude CMOS clock driver
...
This still does not work though.
2018-06-25 02:23:40 +02:00
2e9b282606
Import missing file
2018-06-25 01:04:52 +02:00
08c1c42390
Code cleanup
2018-06-25 01:03:00 +02:00
edc3e1a83c
Add a destructor to console drivers
2018-06-25 01:02:49 +02:00
a9ec1310f4
Constify
2018-06-25 01:02:11 +02:00
aff1004829
Code cleanup
2018-06-25 01:00:57 +02:00
af1af88c21
Code cleanup
2018-06-24 16:21:36 +02:00
a0b876e70b
Code cleanup
2018-06-24 13:39:03 +02:00
d1cd8f96cc
Send kernel messages to the error stream
2018-06-24 03:28:00 +02:00
e8cb79a6a5
Let the boot messages be slightly clearer
2018-06-24 03:26:44 +02:00
ce05b955bb
Add support for mmap() in the loader
...
This is required when relocating the kernel.
2018-06-24 03:20:10 +02:00
09bdd96f2d
Initialize the CMOS bus driver in the kernel
...
Unfortunately this code currently has to be added in the loader, without
it being strictly necessary.
2018-06-24 03:20:10 +02:00
d541a1984c
Register the CMOS bus driver
2018-06-24 03:20:10 +02:00
31df610b47
Import an initial driver for the CMOS
2018-06-24 03:20:10 +02:00
175f908c86
Import an initial framework to manage interrupts
2018-06-24 03:20:10 +02:00
fca52ca94f
Check the program header for consistency
2018-06-24 03:20:10 +02:00
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
