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Move the system heap and the framebuffers to their own segments (#1488)

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* make segments for the systemheap and the framebuffers

* define in the makefile

* undefined syms

* Make segments for the pre boot buffers too

* Update spec

Co-authored-by: Parker <20159000+jpburnett@users.noreply.github.com>

* review

* Update spec

Co-authored-by: Parker <20159000+jpburnett@users.noreply.github.com>

* Update Makefile

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

* comments

* comment

* move comment about the hardcoded address to buffers.h

* rewrite SYSTEM_HEAP_END_ADDR in terms of other symbols

* Use `ALIGNED` on all the buffers

* Rename SYSTEM_HEAP_END_ADDR to FRAMEBUFFERS_START_ADDR

* Put ALIGNED at the right like the rest of the codebase

* merge

* gLoBuffer

* gHiBuffer

* Add a static assert to ensure the address of gHiBuffer haven't shifted without the user noticing

* smol include cleanup

---------

Co-authored-by: Parker <20159000+jpburnett@users.noreply.github.com>
Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
This commit is contained in:
Anghelo Carvajal
2023-11-26 09:47:21 -03:00
committed by GitHub
parent b25e64d1bd
commit 34492a4386
22 changed files with 152 additions and 49 deletions
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include/libc/assert.h
+21
View File
@@ -0,0 +1,21 @@
#ifndef LIBC_ASSERT_H
#define LIBC_ASSERT_H
// Static/compile-time assertions
#if (__STDC_VERSION__ >= 202311L)
// static_assert is a keyword in C23, do not define it
#elif (__STDC_VERSION__ >= 201112L)
# define static_assert(cond, msg) _Static_assert(cond, msg)
#else
# ifndef GLUE
# define GLUE(a, b) a##b
# endif
# ifndef GLUE2
# define GLUE2(a, b) GLUE(a, b)
# endif
# define static_assert(cond, msg) typedef char GLUE2(static_assertion_failed, __LINE__)[(cond) ? 1 : -1]
#endif
#endif