/boot/trunk/arch/ppc32/loader/asm.S |
---|
29,11 → 29,6 |
#include "asm.h" |
#include "regname.h" |
.data |
flush_buffer: |
.space (L1_CACHE_LINES * L1_CACHE_BYTES) |
.text |
.global halt |
124,6 → 119,9 |
ori r30, r30, ~(msr_ir | msr_dr)@l |
and r31, r31, r30 |
mtspr srr1, r31 |
sync |
isync |
rfi |
.section REALMODE |
/boot/trunk/arch/ppc32/loader/regname.h |
---|
217,8 → 217,4 |
#define hid0_icfi (1 << 11) |
#define hid0_dci (1 << 10) |
/* Cache sizes */ |
#define L1_CACHE_LINES (128 * 8) |
#define L1_CACHE_BYTES 5 |
#endif |
/boot/trunk/arch/ppc32/loader/Makefile |
---|
46,7 → 46,7 |
OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
endif |
CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 |
CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mcpu=powerpc |
DEFS = |
SOURCES = \ |
/boot/trunk/arch/ppc64/Makefile.inc |
---|
0,0 → 1,39 |
# |
# Copyright (C) 2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
build: image.boot |
image.boot: kernel |
make -C arch/$(ARCH)/loader COMPILER=$(COMPILER) KERNEL=../../../$(KERNELDIR)/kernel.bin |
cp arch/$(ARCH)/loader/image.boot image.boot |
clean: clean_kernel |
make -C arch/$(ARCH)/loader clean |
-rm -f image.boot |
arch_distclean: distclean_kernel |
/boot/trunk/arch/ppc64/loader/asm.S |
---|
0,0 → 1,260 |
# |
# Copyright (C) 2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include "asm.h" |
#include "regname.h" |
.text |
.global halt |
.global memcpy |
.global jump_to_kernel |
halt: |
b halt |
memcpy: |
srwi. r7, r5, 3 |
addi r6, r3, -4 |
addi r4, r4, -4 |
beq 2f |
andi. r0, r6, 3 |
mtctr r7 |
bne 5f |
1: |
lwz r7, 4(r4) |
lwzu r8, 8(r4) |
stw r7, 4(r6) |
stwu r8, 8(r6) |
bdnz 1b |
andi. r5, r5, 7 |
2: |
cmplwi 0, r5, 4 |
blt 3f |
lwzu r0, 4(r4) |
addi r5, r5, -4 |
stwu r0, 4(r6) |
3: |
cmpwi 0, r5, 0 |
beqlr |
mtctr r5 |
addi r4, r4, 3 |
addi r6, r6, 3 |
4: |
lbzu r0, 1(r4) |
stbu r0, 1(r6) |
bdnz 4b |
blr |
5: |
subfic r0, r0, 4 |
mtctr r0 |
6: |
lbz r7, 4(r4) |
addi r4, r4, 1 |
stb r7, 4(r6) |
addi r6, r6, 1 |
bdnz 6b |
subf r5, r0, r5 |
rlwinm. r7, r5, 32-3, 3, 31 |
beq 2b |
mtctr r7 |
b 1b |
jump_to_kernel: |
# r3 = bootinfo (pa) |
# r4 = bootinfo_size |
# r5 = trans (pa) |
# r6 = kernel size |
# r7 = framebuffer (pa) |
# r8 = real_mode (pa) |
mtspr srr0, r8 |
# jumps to real_mode |
mfmsrd r31 |
lis r30, ~0@h |
ori r30, r30, ~(msr_ir | msr_dr)@l |
and r31, r31, r30 |
mtspr srr1, r31 |
sync |
isync |
rfid |
.section REALMODE |
.align PAGE_WIDTH |
.global real_mode |
real_mode: |
# copy kernel to proper location |
# |
# r5 = trans (pa) |
# r6 = kernel size |
# r7 = framebuffer (pa) |
li r31, PAGE_SIZE >> 2 |
li r30, 0 |
page_copy: |
cmpwi r6, 0 |
beq copy_end |
# copy page |
mtctr r31 |
lwz r29, 0(r5) |
copy_loop: |
lwz r28, 0(r29) |
stw r28, 0(r30) |
addi r29, r29, 4 |
addi r30, r30, 4 |
subi r6, r6, 4 |
cmpwi r6, 0 |
beq copy_end |
bdnz copy_loop |
addi r5, r5, 4 |
b page_copy |
copy_end: |
# invalidate segment registers |
li r31, 16 |
mtctr r31 |
li r31, 0 |
li r30, 0 |
seg_fill: |
mtsrin r30, r31 |
addis r31, r31, 0x1000 # move to next SR |
bdnz seg_fill |
# invalidate block address translation registers |
mtspr ibat0u, r30 |
mtspr ibat0l, r30 |
mtspr ibat1u, r30 |
mtspr ibat1l, r30 |
mtspr ibat2u, r30 |
mtspr ibat2l, r30 |
mtspr ibat3u, r30 |
mtspr ibat3l, r30 |
mtspr dbat0u, r30 |
mtspr dbat0l, r30 |
mtspr dbat1u, r30 |
mtspr dbat1l, r30 |
mtspr dbat2u, r30 |
mtspr dbat2l, r30 |
mtspr dbat3u, r30 |
mtspr dbat3l, r30 |
# create identity mapping |
# FIXME: map exactly the size of RAM |
lis r31, 0x8000 |
ori r31, r31, 0x0ffe |
lis r30, 0x0000 |
ori r30, r30, 0x0002 |
mtspr ibat0u, r31 |
mtspr ibat0l, r30 |
mtspr dbat0u, r31 |
mtspr dbat0l, r30 |
# FIXME: temporal framebuffer mapping |
lis r31, 0xf000 |
ori r31, r31, 0x0ffe |
mr r30, r7 |
ori r30, r30, 0x0002 |
mtspr dbat1u, r31 |
mtspr dbat1l, r30 |
tlbia |
# start the kernel |
# |
# r3 = bootinfo (pa) |
lis r31, KERNEL_START_ADDR@ha |
addi r31, r31, KERNEL_START_ADDR@l |
mtspr srr0, r31 |
mfmsrd r31 |
ori r31, r31, (msr_ir | msr_dr)@l |
mtspr srr1, r31 |
sync |
isync |
rfid |
.align PAGE_WIDTH |
.global trans |
trans: |
.space (TRANS_SIZE * TRANS_ITEM_SIZE) |
/boot/trunk/arch/ppc64/loader/ofw.h |
---|
0,0 → 1,71 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __OFW_H__ |
#define __OFW_H__ |
#define NULL 0 |
#define MEMMAP_MAX_RECORDS 32 |
#define false 0 |
#define true 1 |
typedef __builtin_va_list va_list; |
#define va_start(ap, last) __builtin_va_start(ap, last) |
#define va_arg(ap, type) __builtin_va_arg(ap, type) |
#define va_end(ap) __builtin_va_end(ap) |
typedef struct { |
void *start; |
unsigned int size; |
} memzone_t; |
typedef struct { |
unsigned int total; |
unsigned int count; |
memzone_t zones[MEMMAP_MAX_RECORDS]; |
} memmap_t; |
typedef struct { |
void *addr; |
unsigned int width; |
unsigned int height; |
unsigned int bpp; |
unsigned int scanline; |
} screen_t; |
extern void init(void); |
extern void ofw_write(const char *str, const int len); |
extern void *ofw_translate(const void *virt); |
extern int ofw_map(const void *phys, const void *virt, const int size, const int mode); |
extern int ofw_memmap(memmap_t *map); |
extern int ofw_screen(screen_t *screen); |
#endif |
/boot/trunk/arch/ppc64/loader/printf.c |
---|
0,0 → 1,243 |
/* |
* Copyright (C) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include "printf.h" |
#include "ofw.h" |
static char digits[] = "0123456789abcdef"; /**< Hexadecimal characters */ |
void puts(const char *str) |
{ |
int len = 0; |
while (str[len] != 0) |
len++; |
ofw_write(str, len); |
} |
/** Print hexadecimal digits |
* |
* Print fixed count of hexadecimal digits from |
* the number num. The digits are printed in |
* natural left-to-right order starting with |
* the width-th digit. |
* |
* @param num Number containing digits. |
* @param width Count of digits to print. |
* |
*/ |
static void print_fixed_hex(const __u64 num, const int width) |
{ |
int i; |
for (i = width * 8 - 4; i >= 0; i -= 4) |
ofw_write(digits + ((num >> i) & 0xf), 1); |
} |
/** Print number in given base |
* |
* Print significant digits of a number in given |
* base. |
* |
* @param num Number to print. |
* @param base Base to print the number in (should |
* be in range 2 .. 16). |
* |
*/ |
static void print_number(const __native num, const unsigned int base) |
{ |
int val = num; |
char d[sizeof(__native) * 8 + 1]; /* this is good enough even for base == 2 */ |
int i = sizeof(__native) * 8 - 1; |
do { |
d[i--] = digits[val % base]; |
} while (val /= base); |
d[sizeof(__native) * 8] = 0; |
puts(&d[i + 1]); |
} |
/** General formatted text print |
* |
* Print text formatted according the fmt parameter |
* and variant arguments. Each formatting directive |
* begins with \% (percentage) character and one of the |
* following character: |
* |
* \% Prints the percentage character. |
* |
* s The next variant argument is treated as char* |
* and printed as a NULL terminated string. |
* |
* c The next variant argument is treated as a single char. |
* |
* p The next variant argument is treated as a maximum |
* bit-width integer with respect to architecture |
* and printed in full hexadecimal width. |
* |
* P As with 'p', but '0x' is prefixed. |
* |
* q The next variant argument is treated as a 64b integer |
* and printed in full hexadecimal width. |
* |
* Q As with 'q', but '0x' is prefixed. |
* |
* l The next variant argument is treated as a 32b integer |
* and printed in full hexadecimal width. |
* |
* L As with 'l', but '0x' is prefixed. |
* |
* w The next variant argument is treated as a 16b integer |
* and printed in full hexadecimal width. |
* |
* W As with 'w', but '0x' is prefixed. |
* |
* b The next variant argument is treated as a 8b integer |
* and printed in full hexadecimal width. |
* |
* B As with 'b', but '0x' is prefixed. |
* |
* d The next variant argument is treated as integer |
* and printed in standard decimal format (only significant |
* digits). |
* |
* x The next variant argument is treated as integer |
* and printed in standard hexadecimal format (only significant |
* digits). |
* |
* X As with 'x', but '0x' is prefixed. |
* |
* All other characters from fmt except the formatting directives |
* are printed in verbatim. |
* |
* @param fmt Formatting NULL terminated string. |
*/ |
void printf(const char *fmt, ...) |
{ |
int i = 0; |
va_list ap; |
char c; |
va_start(ap, fmt); |
while ((c = fmt[i++])) { |
switch (c) { |
/* control character */ |
case '%': |
switch (c = fmt[i++]) { |
/* percentile itself */ |
case '%': |
break; |
/* |
* String and character conversions. |
*/ |
case 's': |
puts(va_arg(ap, char_ptr)); |
goto loop; |
case 'c': |
c = (char) va_arg(ap, int); |
break; |
/* |
* Hexadecimal conversions with fixed width. |
*/ |
case 'P': |
puts("0x"); |
case 'p': |
print_fixed_hex(va_arg(ap, __native), sizeof(__native)); |
goto loop; |
case 'Q': |
puts("0x"); |
case 'q': |
print_fixed_hex(va_arg(ap, __u64), INT64); |
goto loop; |
case 'L': |
puts("0x"); |
case 'l': |
print_fixed_hex(va_arg(ap, __native), INT32); |
goto loop; |
case 'W': |
puts("0x"); |
case 'w': |
print_fixed_hex(va_arg(ap, __native), INT16); |
goto loop; |
case 'B': |
puts("0x"); |
case 'b': |
print_fixed_hex(va_arg(ap, __native), INT8); |
goto loop; |
/* |
* Decimal and hexadecimal conversions. |
*/ |
case 'd': |
print_number(va_arg(ap, __native), 10); |
goto loop; |
case 'X': |
puts("0x"); |
case 'x': |
print_number(va_arg(ap, __native), 16); |
goto loop; |
/* |
* Bad formatting. |
*/ |
default: |
goto out; |
} |
default: |
if (c == '\n') |
ofw_write("\r", 1); |
ofw_write(&c, 1); |
} |
loop: |
; |
} |
out: |
va_end(ap); |
} |
/boot/trunk/arch/ppc64/loader/boot.S |
---|
0,0 → 1,42 |
# |
# Copyright (C) 2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include "regname.h" |
.section BOOTSTRAP |
.global start |
start: |
lis r4, ofw@ha |
addi r4, r4, ofw@l |
stw r5, 0(r4) |
bl init |
b bootstrap |
/boot/trunk/arch/ppc64/loader/regname.h |
---|
0,0 → 1,220 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __ppc64_REGNAME_H__ |
#define __ppc64_REGNAME_H__ |
/* Condition Register Bit Fields */ |
#define cr0 0 |
#define cr1 1 |
#define cr2 2 |
#define cr3 3 |
#define cr4 4 |
#define cr5 5 |
#define cr6 6 |
#define cr7 7 |
/* General Purpose Registers (GPRs) */ |
#define r0 0 |
#define r1 1 |
#define r2 2 |
#define r3 3 |
#define r4 4 |
#define r5 5 |
#define r6 6 |
#define r7 7 |
#define r8 8 |
#define r9 9 |
#define r10 10 |
#define r11 11 |
#define r12 12 |
#define r13 13 |
#define r14 14 |
#define r15 15 |
#define r16 16 |
#define r17 17 |
#define r18 18 |
#define r19 19 |
#define r20 20 |
#define r21 21 |
#define r22 22 |
#define r23 23 |
#define r24 24 |
#define r25 25 |
#define r26 26 |
#define r27 27 |
#define r28 28 |
#define r29 29 |
#define r30 30 |
#define r31 31 |
/* GPR Aliases */ |
#define sp 1 |
/* Floating Point Registers (FPRs) */ |
#define fr0 0 |
#define fr1 1 |
#define fr2 2 |
#define fr3 3 |
#define fr4 4 |
#define fr5 5 |
#define fr6 6 |
#define fr7 7 |
#define fr8 8 |
#define fr9 9 |
#define fr10 10 |
#define fr11 11 |
#define fr12 12 |
#define fr13 13 |
#define fr14 14 |
#define fr15 15 |
#define fr16 16 |
#define fr17 17 |
#define fr18 18 |
#define fr19 19 |
#define fr20 20 |
#define fr21 21 |
#define fr22 22 |
#define fr23 23 |
#define fr24 24 |
#define fr25 25 |
#define fr26 26 |
#define fr27 27 |
#define fr28 28 |
#define fr29 29 |
#define fr30 30 |
#define fr31 31 |
#define vr0 0 |
#define vr1 1 |
#define vr2 2 |
#define vr3 3 |
#define vr4 4 |
#define vr5 5 |
#define vr6 6 |
#define vr7 7 |
#define vr8 8 |
#define vr9 9 |
#define vr10 10 |
#define vr11 11 |
#define vr12 12 |
#define vr13 13 |
#define vr14 14 |
#define vr15 15 |
#define vr16 16 |
#define vr17 17 |
#define vr18 18 |
#define vr19 19 |
#define vr20 20 |
#define vr21 21 |
#define vr22 22 |
#define vr23 23 |
#define vr24 24 |
#define vr25 25 |
#define vr26 26 |
#define vr27 27 |
#define vr28 28 |
#define vr29 29 |
#define vr30 30 |
#define vr31 31 |
#define evr0 0 |
#define evr1 1 |
#define evr2 2 |
#define evr3 3 |
#define evr4 4 |
#define evr5 5 |
#define evr6 6 |
#define evr7 7 |
#define evr8 8 |
#define evr9 9 |
#define evr10 10 |
#define evr11 11 |
#define evr12 12 |
#define evr13 13 |
#define evr14 14 |
#define evr15 15 |
#define evr16 16 |
#define evr17 17 |
#define evr18 18 |
#define evr19 19 |
#define evr20 20 |
#define evr21 21 |
#define evr22 22 |
#define evr23 23 |
#define evr24 24 |
#define evr25 25 |
#define evr26 26 |
#define evr27 27 |
#define evr28 28 |
#define evr29 29 |
#define evr30 30 |
#define evr31 31 |
/* Special Purpose Registers (SPRs) */ |
#define xer 1 |
#define lr 8 |
#define ctr 9 |
#define dec 22 |
#define sdr1 25 |
#define srr0 26 |
#define srr1 27 |
#define sprg0 272 |
#define sprg1 273 |
#define sprg2 274 |
#define sprg3 275 |
#define prv 287 |
#define ibat0u 528 |
#define ibat0l 529 |
#define ibat1u 530 |
#define ibat1l 531 |
#define ibat2u 532 |
#define ibat2l 533 |
#define ibat3u 534 |
#define ibat3l 535 |
#define dbat0u 536 |
#define dbat0l 537 |
#define dbat1u 538 |
#define dbat1l 539 |
#define dbat2u 540 |
#define dbat2l 541 |
#define dbat3u 542 |
#define dbat3l 543 |
#define hid0 1008 |
/* MSR bits */ |
#define msr_ir (1 << 4) |
#define msr_dr (1 << 5) |
/* HID0 bits */ |
#define hid0_ice (1 << 15) |
#define hid0_dce (1 << 14) |
#define hid0_icfi (1 << 11) |
#define hid0_dci (1 << 10) |
#endif |
/boot/trunk/arch/ppc64/loader/main.c |
---|
0,0 → 1,128 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include "main.h" |
#include "printf.h" |
#include "asm.h" |
#define KERNEL_START ((void *) &_binary_____________kernel_kernel_bin_start) |
#define KERNEL_END ((void *) &_binary_____________kernel_kernel_bin_end) |
#define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
#define HEAP_GAP 1024000 |
bootinfo_t bootinfo; |
static void check_align(const void *addr, const char *desc) |
{ |
if ((unsigned int) addr % PAGE_SIZE != 0) { |
printf("Error: %s not on page boundary, halting.\n", desc); |
halt(); |
} |
} |
static void fix_overlap(void *va, void **pa, const char *desc, unsigned int *top) |
{ |
if ((unsigned int) *pa + PAGE_SIZE < *top) { |
printf("Warning: %s overlaps kernel physical area\n", desc); |
void *new_va = (void *) (ALIGN_UP((unsigned int) KERNEL_END + HEAP_GAP, PAGE_SIZE) + *top); |
void *new_pa = (void *) (HEAP_GAP + *top); |
*top += PAGE_SIZE; |
if (ofw_map(new_pa, new_va, PAGE_SIZE, 0) != 0) { |
printf("Error: Unable to map page aligned memory at %L (physical %L), halting.\n", new_va, new_pa); |
halt(); |
} |
if ((unsigned int) new_pa + PAGE_SIZE < KERNEL_SIZE) { |
printf("Error: %s cannot be relocated, halting.\n", desc); |
halt(); |
} |
printf("Relocating %L -> %L (physical %L -> %L)\n", va, new_va, *pa, new_pa); |
*pa = new_pa; |
memcpy(new_va, va, PAGE_SIZE); |
} |
} |
void bootstrap(void) |
{ |
printf("\nHelenOS PPC64 Bootloader\n"); |
check_align(KERNEL_START, "Kernel image"); |
check_align(&real_mode, "Bootstrap trampoline"); |
check_align(&trans, "Translation table"); |
if (!ofw_memmap(&bootinfo.memmap)) { |
printf("Error: Unable to get memory map, halting.\n"); |
halt(); |
} |
if (bootinfo.memmap.total == 0) { |
printf("Error: No memory detected, halting.\n"); |
halt(); |
} |
if (!ofw_screen(&bootinfo.screen)) { |
printf("Error: Unable to get screen properties, halting.\n"); |
halt(); |
} |
printf("\nDevice statistics\n"); |
printf(" screen at %L, resolution %dx%d, %d bpp (scanline %d bytes)\n", bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); |
void *real_mode_pa = ofw_translate(&real_mode); |
void *trans_pa = ofw_translate(&trans); |
void *bootinfo_pa = ofw_translate(&bootinfo); |
void *fb = (void *) (((unsigned int) bootinfo.screen.addr) & ((unsigned int) ~0 << 17)); |
printf("\nMemory statistics (total %d MB)\n", bootinfo.memmap.total >> 20); |
printf(" kernel image at %L (size %d bytes)\n", KERNEL_START, KERNEL_SIZE); |
printf(" boot info at %L (physical %L)\n", &bootinfo, bootinfo_pa); |
printf(" bootstrap trampoline at %L (physical %L)\n", &real_mode, real_mode_pa); |
printf(" translation table at %L (physical %L)\n", &trans, trans_pa); |
unsigned int top = ALIGN_UP(KERNEL_SIZE, PAGE_SIZE); |
unsigned int addr; |
for (addr = 0; addr < KERNEL_SIZE; addr += PAGE_SIZE) { |
void *pa = ofw_translate(KERNEL_START + addr); |
fix_overlap(KERNEL_START + addr, &pa, "Kernel image", &top); |
trans[addr >> PAGE_WIDTH] = pa; |
} |
fix_overlap(&real_mode, &real_mode_pa, "Bootstrap trampoline", &top); |
fix_overlap(&trans, &trans_pa, "Translation table", &top); |
fix_overlap(&bootinfo, &bootinfo_pa, "Boot info", &top); |
printf("\nBooting the kernel...\n"); |
jump_to_kernel(bootinfo_pa, sizeof(bootinfo), trans_pa, KERNEL_SIZE, fb, real_mode_pa); |
} |
/boot/trunk/arch/ppc64/loader/asm.h |
---|
0,0 → 1,52 |
/* |
* Copyright (C) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __ASM_H__ |
#define __ASM_H__ |
#define PAGE_SIZE 4096 |
#define PAGE_WIDTH 12 |
#define TRANS_SIZE 1024 |
#define TRANS_ITEM_SIZE 4 |
#define KERNEL_START_ADDR 0x80004000 |
#ifndef __ASM__ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void *trans[TRANS_SIZE]; |
extern void halt(); |
extern void jump_to_kernel(void *bootinfo, unsigned int bootinfo_size, void *trans, unsigned int kernel_size, void *framebuffer, void *real_mode) __attribute__((noreturn)); |
extern void real_mode(); |
#endif |
#endif |
/boot/trunk/arch/ppc64/loader/printf.h |
---|
0,0 → 1,52 |
/* |
* Copyright (C) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __PRINTF_H__ |
#define __PRINTF_H__ |
#define INT8 1 |
#define INT16 2 |
#define INT32 4 |
#define INT64 8 |
typedef signed char __s8; |
typedef unsigned char __u8; |
typedef unsigned short __u16; |
typedef unsigned long __u32; |
typedef long long __u64; |
typedef __u32 __address; |
typedef __u32 __native; |
typedef char *char_ptr; |
void puts(const char *str); |
void printf(const char *fmt, ...); |
#endif |
/boot/trunk/arch/ppc64/loader/_link.ld |
---|
0,0 → 1,27 |
/* |
* PPC linker script |
* |
*/ |
OUTPUT_FORMAT(elf64-powerpc) |
ENTRY(start) |
SECTIONS { |
.boot 0x0000000010000000: AT (0) { |
*(BOOTSTRAP); |
*(REALMODE); |
*(.text); |
*(.rodata); |
*(.rodata.*); |
*(.data); /* initialized data */ |
*(.sdata); |
*(.sdata2); |
*(.sbss); |
*(.bss); /* uninitialized static variables */ |
*(COMMON); /* global variables */ |
. = ALIGN(4096); |
*(.image); |
} |
} |
/boot/trunk/arch/ppc64/loader/main.h |
---|
0,0 → 1,53 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __MAIN_H__ |
#define __MAIN_H__ |
#include "ofw.h" |
/** Align to the nearest higher address. |
* |
* @param addr Address or size to be aligned. |
* @param align Size of alignment, must be power of 2. |
*/ |
#define ALIGN_UP(addr, align) (((addr) + ((align) - 1)) & ~((align) - 1)) |
typedef struct { |
memmap_t memmap; |
screen_t screen; |
} bootinfo_t; |
extern int _binary_____________kernel_kernel_bin_start; |
extern int _binary_____________kernel_kernel_bin_end; |
extern void start(void); |
extern void bootstrap(void); |
extern memmap_t memmap; |
#endif |
/boot/trunk/arch/ppc64/loader/ofw.c |
---|
0,0 → 1,247 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include "ofw.h" |
#include "asm.h" |
#include "printf.h" |
#define MAX_OFW_ARGS 10 |
#define BUF_SIZE 1024 |
typedef unsigned int ofw_arg_t; |
typedef unsigned int ihandle; |
typedef unsigned int phandle; |
/** OpenFirmware command structure |
* |
*/ |
typedef struct { |
const char *service; /**< Command name */ |
unsigned int nargs; /**< Number of in arguments */ |
unsigned int nret; /**< Number of out arguments */ |
ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */ |
} ofw_args_t; |
typedef void (*ofw_entry)(ofw_args_t *); |
ofw_entry ofw; |
phandle ofw_chosen; |
ihandle ofw_stdout; |
phandle ofw_root; |
ihandle ofw_mmu; |
phandle ofw_memory; |
phandle ofw_aliases; |
static int ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...) |
{ |
va_list list; |
ofw_args_t args; |
int i; |
args.service = service; |
args.nargs = nargs; |
args.nret = nret; |
va_start(list, rets); |
for (i = 0; i < nargs; i++) |
args.args[i] = va_arg(list, ofw_arg_t); |
va_end(list); |
for (i = 0; i < nret; i++) |
args.args[i + nargs] = 0; |
ofw(&args); |
for (i = 1; i < nret; i++) |
rets[i - 1] = args.args[i + nargs]; |
return args.args[nargs]; |
} |
static phandle ofw_find_device(const char *name) |
{ |
return ofw_call("finddevice", 1, 1, NULL, name); |
} |
static int ofw_get_property(const phandle device, const char *name, const void *buf, const int buflen) |
{ |
return ofw_call("getprop", 4, 1, NULL, device, name, buf, buflen); |
} |
static unsigned int ofw_get_address_cells(const phandle device) |
{ |
unsigned int ret; |
if (ofw_get_property(device, "#address-cells", &ret, sizeof(ret)) <= 0) |
if (ofw_get_property(ofw_root, "#address-cells", &ret, sizeof(ret)) <= 0) |
ret = 1; |
return ret; |
} |
static unsigned int ofw_get_size_cells(const phandle device) |
{ |
unsigned int ret; |
if (ofw_get_property(device, "#size-cells", &ret, sizeof(ret)) <= 0) |
if (ofw_get_property(ofw_root, "#size-cells", &ret, sizeof(ret)) <= 0) |
ret = 1; |
return ret; |
} |
static ihandle ofw_open(const char *name) |
{ |
return ofw_call("open", 1, 1, NULL, name); |
} |
void init(void) |
{ |
ofw_chosen = ofw_find_device("/chosen"); |
if (ofw_chosen == -1) |
halt(); |
if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0) |
ofw_stdout = 0; |
ofw_root = ofw_find_device("/"); |
if (ofw_root == -1) { |
puts("\r\nError: Unable to find / device, halted.\r\n"); |
halt(); |
} |
if (ofw_get_property(ofw_chosen, "mmu", &ofw_mmu, sizeof(ofw_mmu)) <= 0) { |
puts("\r\nError: Unable to get mmu property, halted.\r\n"); |
halt(); |
} |
ofw_memory = ofw_find_device("/memory"); |
if (ofw_memory == -1) { |
puts("\r\nError: Unable to find /memory device, halted.\r\n"); |
halt(); |
} |
ofw_aliases = ofw_find_device("/aliases"); |
if (ofw_aliases == -1) { |
puts("\r\nError: Unable to find /aliases device, halted.\r\n"); |
halt(); |
} |
} |
void ofw_write(const char *str, const int len) |
{ |
if (ofw_stdout == 0) |
return; |
ofw_call("write", 3, 1, NULL, ofw_stdout, str, len); |
} |
void *ofw_translate(const void *virt) |
{ |
ofw_arg_t result[3]; |
if (ofw_call("call-method", 4, 4, result, "translate", ofw_mmu, virt, 1) != 0) { |
puts("Error: MMU method translate() failed, halting.\n"); |
halt(); |
} |
return (void *) result[2]; |
} |
int ofw_map(const void *phys, const void *virt, const int size, const int mode) |
{ |
return ofw_call("call-method", 6, 1, NULL, "map", ofw_mmu, mode, size, virt, phys); |
} |
int ofw_memmap(memmap_t *map) |
{ |
unsigned int buf[BUF_SIZE]; |
int ret = ofw_get_property(ofw_memory, "reg", buf, sizeof(unsigned int) * BUF_SIZE); |
if (ret <= 0) |
return false; |
unsigned int ac = ofw_get_address_cells(ofw_memory); |
unsigned int sc = ofw_get_size_cells(ofw_memory); |
int pos; |
map->total = 0; |
map->count = 0; |
for (pos = 0; (pos < ret / sizeof(unsigned int)) && (map->count < MEMMAP_MAX_RECORDS); pos += ac + sc) { |
void * start = (void *) buf[pos + ac - 1]; |
unsigned int size = buf[pos + ac + sc - 1]; |
if (size > 0) { |
map->zones[map->count].start = start; |
map->zones[map->count].size = size; |
map->count++; |
map->total += size; |
} |
} |
} |
int ofw_screen(screen_t *screen) |
{ |
char device_name[BUF_SIZE]; |
if (ofw_get_property(ofw_aliases, "screen", device_name, sizeof(char) * BUF_SIZE) <= 0) |
return false; |
phandle device = ofw_find_device(device_name); |
if (device == -1) |
return false; |
if (ofw_get_property(device, "address", &screen->addr, sizeof(screen->addr)) <= 0) |
return false; |
if (ofw_get_property(device, "width", &screen->width, sizeof(screen->width)) <= 0) |
return false; |
if (ofw_get_property(device, "height", &screen->height, sizeof(screen->height)) <= 0) |
return false; |
if (ofw_get_property(device, "depth", &screen->bpp, sizeof(screen->bpp)) <= 0) |
return false; |
if (ofw_get_property(device, "linebytes", &screen->scanline, sizeof(screen->scanline)) <= 0) |
return false; |
return true; |
} |
/boot/trunk/arch/ppc64/loader/Makefile |
---|
0,0 → 1,83 |
# |
# Copyright (C) 2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Toolchain configuration |
# |
TARGET = ppc-linux-gnu |
TOOLCHAIN_DIR = /usr/local/ppc/bin |
ifeq ($(COMPILER),native) |
CC = gcc |
AS = as |
LD = ld |
OBJCOPY = objcopy |
OBJDUMP = objdump |
else |
CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
endif |
CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mcpu=powerpc64 |
DEFS = |
SOURCES = \ |
main.c \ |
ofw.c \ |
printf.c \ |
asm.S \ |
boot.S |
OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) |
.PHONY: all clean depend |
all: image.boot |
-include Makefile.depend |
image.boot: depend $(OBJECTS) kernel.o |
$(LD) -no-check-sections -N -T _link.ld $(OBJECTS) kernel.o -o $@ |
depend: |
-makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null |
clean: |
-rm -f $(OBJECTS) image.boot kernel.o Makefile.depend |
kernel.o: $(KERNEL) |
$(OBJCOPY) -I binary -O elf64-powerpc -B powerpc --rename-section .data=.image $(KERNEL) $@ |
%.o: %.S |
$(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
%.o: %.c |
$(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |