| /SPARTAN/trunk/arch/ia64/src/putchar.c |
|---|
| 28,7 → 28,18 |
| #include <putchar.h> |
| #include <arch/types.h> |
| #include <arch/ski/ski.h> |
| void putchar(char ch) |
| { |
| __asm__ ( |
| "mov r15=%0\n" |
| "mov r32=%1\n" /* r32 is in0 */ |
| "break 0x80000\n" /* modifies r8 */ |
| : |
| : "i" (SKI_CONSOLE_PUTC), "r" (ch) |
| : "r15", "in0", "r8" |
| ); |
| if (ch == '\n') putchar('\r'); |
| } |
| /SPARTAN/trunk/arch/ia64/src/start.S |
|---|
| 32,17 → 32,17 |
| .global kernel_image_start |
| stack0: |
| kernel_image_start: |
| # initialize gp (Global Pointer) register |
| mov r1=0x1000 |
| mov r1=kernel_image_start; |
| # initialize Ski console using SSC (Simulator System Sall) |
| # set stack pointer to some sane value |
| mov r12=stack0 |
| # initialize Ski console using SSC (Simulator System Call) |
| mov r15=SKI_CONSOLE_INIT |
| break 0x80000 |
| 0: |
| mov r15=SKI_CONSOLE_PUTC |
| mov r32='.' |
| break 0x80000 |
| br 0b |
| br 0b |
| /SPARTAN/trunk/arch/ia64/_link.ld |
|---|
| 1,9 → 1,21 |
| /* |
| * IA-64 linker script |
| * |
| * It is ELF format, but its only section looks like this: |
| * kernel text |
| * kernel data |
| * |
| */ |
| OUTPUT_FORMAT(elf64-ia64-little) |
| ENTRY(kernel_image_start) |
| SECTIONS { |
| .image 0x0000000000001000: AT (0x0000000000001000) { |
| *(.text .stub .text.* .gnu.linkonce.t.*) |
| ktext_start = .; |
| *(.text .text.* ) |
| ktext_end = .; |
| kdata_start = .; |
| *(.interp) |
| *(.hash) |
| *(.dynsym) |
| 68,5 → 80,22 |
| *(.dynbss) |
| *(.bss .bss.* .gnu.linkonce.b.*) |
| *(COMMON) |
| kdata_end = .; |
| } |
| . = ABSOLUTE(hardcoded_ktext_size); |
| .patch_1 : { |
| LONG(ktext_end - ktext_start); |
| } |
| . = ABSOLUTE(hardcoded_kdata_size); |
| .patch_2 : { |
| LONG(kdata_end - kdata_start); |
| } |
| . = ABSOLUTE(hardcoded_load_address); |
| .patch_3 : { |
| QUAD(0x0000000000001000); |
| } |
| } |