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[kernel] Make channels stream based

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Multiple changes regarding channels. Mainly channels are now stream
based and can handle partial reads or writes. Channels now use the
kernel buffers area with the related buffer_cache. Added a fake stdout
stream channel and kernel task to read its contents to the screen in
preparation for handing channels as stdin/stdout to processes.
This commit is contained in:
Justin C. Miller
2020-08-30 18:04:19 -07:00
parent f27b133089
commit 724b846ee4
10 changed files with 117 additions and 78 deletions
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3
src/kernel/memory_bootstrap.cpp
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@@ -16,6 +16,7 @@ using memory::frame_size;
using memory::heap_start;
using memory::kernel_max_heap;
using memory::kernel_offset;
using memory::heap_start;
using memory::page_offset;
using memory::pml4e_kernel;
using memory::pml4e_offset;
@@ -23,7 +24,7 @@ using memory::table_entries;
using namespace kernel;
kutil::vm_space g_kernel_space {kernel_offset, (page_offset-kernel_offset)};
kutil::vm_space g_kernel_space {kernel_offset, (heap_start-kernel_offset)};
// These objects are initialized _before_ global constructors are called,