Chameleon

Chameleon Commit Details

Date:2014-10-18 19:29:16 (9 years 6 months ago)
Author:MacMan
Commit:2405
Parents: 2404
Message:Added missing lzvn.c and other files.
Changes:
A/branches/Chimera/Keymaps/mac-es.lyt
A/branches/Chimera/Keymaps/mac-fr.lyt
A/branches/Chimera/Keymaps/mac-se.lyt
A/branches/Chimera/Keymaps/mac-de.lyt
A/branches/Chimera/Keymaps/pc-fr.lyt
A/branches/Chimera/i386/boot2/lzvn.c
A/branches/Chimera/Keymaps
A/branches/Chimera/Keymaps/mac-it.lyt
A/branches/Chimera/Chimera 4.0.0 Changes.txt

File differences

branches/Chimera/i386/boot2/lzvn.c
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//␊
// lzvn.c␊
//␊
// Based on works from Pike R. Alpha and AnV Software (Andy Vandijck).␊
// Converted to C by MinusZwei on 9/14/14.␊
//␊
// No dogs allowed.␊
//␊
␊
#include <stdio.h>␊
␊
#include <libkern/OSByteOrder.h>␊
␊
␊
static short Llzvn_tableref[256] =␊
{␊
1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 4, 3,␊
1, 1, 1, 1, 1, 1, 4, 3, 1, 1, 1, 1, 1, 1, 5, 3,␊
1, 1, 1, 1, 1, 1, 5, 3, 1, 1, 1, 1, 1, 1, 5, 3,␊
1, 1, 1, 1, 1, 1, 5, 3, 1, 1, 1, 1, 1, 1, 5, 3,␊
1, 1, 1, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 0, 3,␊
1, 1, 1, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 0, 3,␊
1, 1, 1, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 0, 3,␊
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,␊
1, 1, 1, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 0, 3,␊
1, 1, 1, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 0, 3,␊
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,␊
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,␊
1, 1, 1, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 0, 3,␊
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,␊
7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,␊
9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10␊
};␊
␊
␊
// mov (%rdx),%r8␊
// movzbq (%rdx),%r9␊
// jmpq *(%rbx,%r9,8)␊
␊
#define LABEL_JUMP \␊
␉do { \␊
␉␉r8 = *(uint64_t *)rdx; \␊
␉␉r9 = r8 & 0xFF; \␊
␉␉switch (Llzvn_tableref[r9]) { \␊
␉␉␉case 0: goto Llzvn_table0; break; \␊
␉␉␉case 1: goto Llzvn_table1; break; \␊
␉␉␉case 2: return rax; \␊
␉␉␉case 3: goto Llzvn_table3; break; \␊
␉␉␉case 4: goto Llzvn_table4; break; \␊
␉␉␉case 5: return 0; \␊
␉␉␉case 6: goto Llzvn_table6; break; \␊
␉␉␉case 7: goto Llzvn_table7; break; \␊
␉␉␉case 8: goto Llzvn_table8; break; \␊
␉␉␉case 9: goto Llzvn_table9; break; \␊
␉␉␉case 10: goto Llzvn_table10; break; \␊
␉␉} \␊
␉} while (0)␊
␊
␊
size_t␊
decompress_lzvn(void * _dest,␊
size_t _dest_size,␊
void * _src,␊
size_t _src_size)␊
{␊
size_t rax = 0;␊
␊
const uint64_t rdi = (const uint64_t)_dest;␊
uint64_t rsi = _dest_size;␊
uint64_t rcx = _src_size;␊
uint64_t rdx = (uint64_t)_src;␊
␊
uint64_t r8 = 0;␊
uint64_t r9 = 0;␊
uint64_t r10 = 0;␊
uint64_t r11 = 0;␊
uint64_t r12 = 0;␊
␊
uint64_t addr = 0;␊
unsigned char byte_data = 0;␊
␊
short jmp = 0;␊
␊
// lea Llzvn_tableref(%rip),%rbx␊
//␊
// this will load the address of the tableref label into the %rbx␊
// register. in our code, this is the 'Llzvn_tableref' array␊
//␊
// for clearness, it will be used directly.␊
␊
rax = 0; // xor %rax,%rax␊
r12 = 0; // xor %r12,%r12␊
␊
// sub $0x8,%rsi␊
// jb Llzvn_exit␊
jmp = rsi < 0x8 ? 1 : 0;␊
rsi -= 0x8;␊
if (jmp) {␊
return 0;␊
}␊
␊
// lea -0x8(%rdx,%rcx,1),%rcx␊
// cmp %rcx,%rdx␊
␉// ja Llzvn_exit␊
rcx = rdx + rcx - 0x8;␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
LABEL_JUMP;␊
␊
␊
␊
Llzvn_table0:␊
r9 >>= 0x6; // shr $0x6,%r9␊
rdx = rdx + r9 + 0x1; // lea 0x1(%rdx,%r9,1),%rdx␊
␊
// cmp %rcx,%rdx␊
// ja Llzvn_exit␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
r10 = 0x38; // mov $0x38,%r10␊
r10 &= r8; // and %r8,%r10␊
r8 >>= 0x8; // shr $0x8,%r8␊
r10 >>= 0x3; // shr $0x3,%r10␊
r10 += 0x3; // add $0x3,%r10␊
goto Llzvn_l10; // jmp Llzvn_l10␊
␊
Llzvn_table1:␊
r9 >>= 0x6; // shr $0x6,%r9␊
rdx = rdx + r9 + 0x2; // lea 0x2(%rdx,%r9,1),%rdx␊
␊
// cmp %rcx,%rdx␊
␉// ja Llzvn_exit␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
r12 = r8; // mov %r8,%r12␊
r12 = OSSwapInt64(r12); // bswap %r12␊
r10 = r12; // mov %r12,%r10␊
r12 <<= 0x5; // shl $0x5,%r12␊
r12 >>= 0x35; // shr $0x35,%r12␊
r10 <<= 0x2; // shl $0x2,%r10␊
r10 >>= 0x3d; // shr $0x3d,%r10␊
r10 += 0x3; // add $0x3,%r10␊
r8 >>= 0x10; // shr $0x10,%r8␊
goto Llzvn_l10;␊
␊
␊
Llzvn_table3:␊
r9 >>= 0x6; // shr $0x6,%r9␊
rdx = rdx + r9 + 0x3; // lea 0x3(%rdx,%r9,1),%rdx␊
␊
// cmp %rcx,%rdx␊
// ja Llzvn_exit␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
r10 = 0x38; // mov $0x38,%r10␊
r12 = 0xFFFF; // mov $0xffff,%r12␊
r10 &= r8; // and %r8,%r10␊
r8 >>= 0x8; // shr $0x8,%r8␊
r10 >>= 0x3; // shr $0x3,%r10␊
r12 &= r8; // and %r8,%r12␊
r8 >>= 0x10; // shr $0x10,%r8␊
r10 += 0x3; // add $0x3,%r10␊
goto Llzvn_l10; // jmp Llzvn_l10␊
␊
␊
Llzvn_table4:␊
// add $0x1,%rdx␊
// cmp %rcx,%rdx␊
// ja Llzvn_exit␊
rdx += 1;␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
LABEL_JUMP;␊
␊
␊
Llzvn_table6:␊
r9 >>= 0x3; // shr $0x3,%r9␊
r9 &= 0x3; // and $0x3,%r9␊
rdx = rdx + r9 + 0x3; // lea 0x3(%rdx,%r9,1),%rdx␊
␊
// cmp %rcx,%rdx␊
// ja Llzvn_exit␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
r10 = r8; // mov %r8,%r10␊
r10 &= 0x307; // and $0x307,%r10␊
r8 >>= 0xa; // shr $0xa,%r8␊
␊
// movzbq %r10b,%r12␊
r12 = r10 & 0xFF;␊
␊
r10 >>= 0x8; // shr $0x8,%r10␊
r12 <<= 0x2; // shl $0x2,%r12␊
r10 |= r12; // or %r12,%r10␊
r12 = 0x3FFF; // mov $0x3fff,%r12␊
r10 += 0x3; // add $0x3,%r10␊
r12 &= r8; // and %r8,%r12␊
r8 >>= 0xE; // shr $0xe,%r8␊
goto Llzvn_l10; // jmp Llzvn_l10␊
␊
␊
Llzvn_table7:␊
r8 >>= 0x8; // shr $0x8,%r8␊
r8 &= 0xFF; // and $0xff,%r8␊
r8 += 0x10; // add $0x10,%r8␊
rdx = rdx + r8 + 0x2; // lea 0x2(%rdx,%r8,1),%rdx␊
goto Llzvn_l0;␊
␊
␊
Llzvn_table8:␊
r8 &= 0xF; // and $0xf,%r8␊
rdx = rdx + r8 + 0x1; // lea 0x1(%rdx,%r8,1),%rdx␊
goto Llzvn_l0; // jmp Llzvn_l0␊
␊
␊
Llzvn_table9:␊
rdx += 0x2; // add $0x2,%rdx␊
␊
// cmp %rcx,%rdx␊
// ja Llzvn_exit␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
r10 = r8; // mov %r8,%r10␊
r10 >>= 0x8; // shr $0x8,%r10␊
r10 &= 0xFF; // and $0xff,%r10␊
r10 += 0x10; // add $0x10,%r10␊
goto Llzvn_l11;␊
␊
␊
Llzvn_table10:␊
rdx += 1; // add $0x1,%rdx␊
␊
//cmp %rcx,%rdx␊
␉//ja Llzvn_exit␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
r10 = r8; // mov %r8,%r10␊
r10 &= 0xF; // and $0xf,%r10␊
goto Llzvn_l11; // jmp Llzvn_l11␊
␊
␊
␊
␊
Llzvn_l10:␊
r11 = rax + r9; // lea (%rax,%r9,1),%r11␊
r11 += r10; // add %r10,%r11␊
␊
// cmp %rsi,%r11␊
␉// jae Llzvn_l8␊
if (r11 >= rsi) {␊
goto Llzvn_l8;␊
}␊
␊
// mov %r8,(%rdi,%rax,1)␊
addr = rdi + rax;␊
*((uint64_t *)addr) = r8;␊
␊
rax += r9; // add %r9,%rax␊
r8 = rax; // mov %rax,%r8␊
␊
// sub %r12,%r8␊
␉// jb Llzvn_exit␊
jmp = r8 < r12 ? 1 : 0;␊
r8 -= r12;␊
if (jmp) {␊
return 0;␊
}␊
␊
// cmp $0x8,%r12␊
␉// jb Llzvn_l4␊
if (r12 < 0x8) {␊
goto Llzvn_l4;␊
}␊
␊
␊
Llzvn_l5:␊
do␊
{␊
// mov (%rdi,%r8,1),%r9␊
addr = rdi + r8;␊
r9 = *((uint64_t *)addr);␊
␊
r8 += 0x8; // add $0x8,%r8␊
␊
// mov %r9,(%rdi,%rax,1)␊
addr = rdi + rax;␊
*((uint64_t *)addr) = r9;␊
␊
rax += 0x8; // add $0x8,%rax␊
␊
// sub $0x8,%r10␊
// ja Llzvn_l5␊
jmp = r10 > 0x8 ? 1 : 0;␊
r10 -= 0x8;␊
}␊
while (jmp);␊
␊
rax += r10; // add %r10,%rax␊
␊
LABEL_JUMP;␊
␊
␊
Llzvn_l8:␊
// test %r9,%r9␊
␉// je Llzvn_l7␊
if (r9 != 0)␊
{␊
r11 = rsi + 0x8; // lea 0x8(%rsi),%r11␊
␊
do␊
{␊
// mov %r8b,(%rdi,%rax,1)␊
addr = rdi + rax;␊
byte_data = (unsigned char)(r8 & 0xFF);␊
*((unsigned char *)addr) = byte_data;␊
␊
rax += 0x1; // add $0x1,%rax␊
␊
// cmp %rax,%r11␊
// je Llzvn_exit2␊
if (rax == r11) {␊
return rax;␊
}␊
␊
r8 >>= 0x8; // shr $0x8,%r8␊
␊
// sub $0x1,%r9␊
// jne Llzvn_l6␊
jmp = r9 != 0x1 ? 1 : 0;␊
r9 -= 1;␊
}␊
while (jmp);␊
}␊
␊
// mov %rax,%r8␊
␉r8 = rax;␊
␊
// sub %r12,%r8␊
␉// jb Llzvn_exit␊
jmp = r8 < r12 ? 1 : 0;␊
r8 -= r12;␊
if (jmp) {␊
return 0;␊
}␊
␊
␊
Llzvn_l4:␊
r11 = rsi + 0x8; // lea 0x8(%rsi),%r11␊
␊
do␊
{␊
// movzbq (%rdi,%r8,1),%r9␊
addr = rdi + r8;␊
byte_data = *((unsigned char *)addr);␊
r9 = byte_data;␊
r9 &= 0xFF;␊
␊
r8 += 0x1; // add $0x1,%r8␊
␊
// mov %r9b,(%rdi,%rax,1)␊
addr = rdi + rax;␊
byte_data = (unsigned char)r9;␊
*((unsigned char *)addr) = byte_data;␊
␊
rax += 0x1; // add $0x1,%rax␊
␊
// cmp %rax,%r11␊
// je Llzvn_exit2␊
if (rax == r11) {␊
return rax;␊
}␊
␊
// sub $0x1,%r10␊
// jne Llzvn_l9␊
jmp = r10 != 0x1 ? 1 : 0;␊
r10 -= 0x1;␊
}␊
while (jmp);␊
␊
␉LABEL_JUMP;␊
␊
␊
Llzvn_l11:␊
r8 = rax; // mov %rax,%r8␊
␉r8 -= r12; // sub %r12,%r8␊
␉r11 = rax + r10; // lea (%rax,%r10,1),%r11␊
␉␊
// cmp %rsi,%r11␊
␉// jae Llzvn_l4␊
if (r11 >= rsi) {␊
goto Llzvn_l4;␊
}␊
␊
␉// cmp $0x8,%r12␊
␉// jae Llzvn_l5␊
if (r12 >= 0x8) {␊
goto Llzvn_l5;␊
}␊
␊
␉goto Llzvn_l4; // jmp Llzvn_l4␊
␊
␊
Llzvn_l0:␊
// cmp %rcx,%rdx␊
␉// ja Llzvn_exit␊
if (rdx > rcx) {␊
return 0;␊
}␊
␊
r11 = rax + r8; // lea (%rax,%r8,1),%r11␊
r8 = -r8; // neg %r8␊
␊
// cmp %rsi,%r11␊
␉// ja Llzvn_l2␊
if (r11 <= rsi)␊
{␊
r11 = rdi + r11; // lea (%rdi,%r11,1),%r11␊
␊
uint64_t check = 0;␊
␊
do␊
{␊
// mov (%rdx,%r8,1),%r9␊
addr = rdx + r8;␊
r9 = *(uint64_t *)addr;␊
␊
// mov %r9,(%r11,%r8,1)␊
addr = r11 + r8;␊
*(uint64_t *)addr = r9;␊
␊
// add $0x8,%r8␊
// jae Llzvn_l1␊
␊
check = UINT64_MAX;␊
check -= (uint64_t)r8;␊
␊
r8 += 0x8;␊
}␊
while (check >= 0x8);␊
␊
rax = r11; // mov %r11,%rax␊
rax -= rdi; // sub %rdi,%rax␊
␊
LABEL_JUMP;␊
}␊
␊
r11 = rsi + 0x8; // lea 0x8(%rsi),%r11␊
␊
do␊
{␊
// movzbq (%rdx,%r8,1),%r9␊
addr = rdx + r8;␊
r9 = *((uint64_t *)addr);␊
r9 &= 0xFF;␊
␊
// mov %r9b,(%rdi,%rax,1)␊
addr = rdi + rax;␊
byte_data = (unsigned char)r9;␊
*((unsigned char *)addr) = byte_data;␊
␊
rax += 0x1; // add $0x1,%rax␊
␊
// cmp %rax,%r11␊
// je Llzvn_exit2␊
if (r11 == rax) {␊
return rax;␊
}␊
␊
// add $0x1,%r8␊
// jne Llzvn_l3␊
jmp = ((int64_t)r8 + 0x1 == 0) ? 0 : 1;␊
r8 += 0x1;␊
}␊
while (jmp);␊
␊
␉LABEL_JUMP;␊
␊
␊
// should never come here.␊
return 0;␊
}␊␊
branches/Chimera/Chimera 4.0.0 Changes.txt
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Chimera 4.0.0 includes the following external changes:␊
␊
␉lzvn code from http://forge.voodooprojects.org/p/chameleon/source/commit/2400/␊
␉Yosemite diff from http://forge.voodooprojects.org/p/chameleon/issues/375/␊
␉Yosemite boot loop fix from Piker Alpha␊
␉␊
Files edited:␊
␉␊
i386/boot2/Makefile␊
i386/boot2/boot.c␊
i386/boot2/boot.h␊
i386/boot2/drivers.c␊
i386/boot2/gui.c␊
i386/boot2/lzss.c␊
i386/boot2/lzvn.c␊
i386/boot2/options.c␊
i386/libsaio/bootstruct.c␊
i386/libsaio/console.c␊
i386/libsaio/disk.c␊
i386/libsaio/fake_efi.c␊
i386/libsaio/smbios_getters.c␊
i386/libsaio/smbios.c␊
␊
␊
Make.rules Changed to add -Wno-unused-const-variable to CFLAGS␊
␊
␊

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Revision: 2405