RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 15:28:11 +00:00
Code Issues Activity Actions

Pre-size the ksyms vector for speedier loading.

Browse source 
Also show loading progress on the screen because it looks neat.
This commit is contained in:
Andreas Kling 2018-11-09 20:40:39 +01:00
parent de38e63d3e
commit 8a865c11ec
2 changed files with 15 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Kernel/init.cpp
View file

@ -83,6 +83,14 @@ static void loadKsyms(const ByteBuffer& buffer)
auto* bufptr = (const char*)buffer.pointer();
auto* startOfName = bufptr;
dword address = 0;
dword ksym_count = 0;
for (unsigned i = 0; i < 8; ++i)
ksym_count = (ksym_count << 4) | parseHexDigit(*(bufptr++));
s_ksyms->ensureCapacity(ksym_count);
++bufptr; // skip newline
kprintf("Loading ksyms: \033[s");
while (bufptr < buffer.endPointer()) {
for (unsigned i = 0; i < 8; ++i)
@ -96,8 +104,11 @@ static void loadKsyms(const ByteBuffer& buffer)
}
// FIXME: The Strings here should be eternally allocated too.
ksyms().append({ address, String(startOfName, bufptr - startOfName) });
kprintf("\033[u\033[s%u/%u", ksyms().size(), ksym_count);
++bufptr;
}
kprintf("\n");
s_ksyms_ready = true;
}