Changeset 304342e in mainline for kernel/arch/amd64/src


Ignore:
Timestamp:
2010-01-08T20:58:33Z (16 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
49924b4
Parents:
fabc883
Message:

Add amd64 specific support for kernel stack traces.

Location:
kernel/arch/amd64/src
Files:
2 added
4 edited

Legend:

Unmodified
Added
Removed

  • kernel/arch/amd64/src/asm_utils.S

    rfabc883 r304342e  
    2727#
    2828
    29 #define IREGISTER_SPACE 72
     29#define IREGISTER_SPACE 80
    3030
    3131#define IOFFSET_RAX     0x0
    … …  
    3838#define IOFFSET_R10     0x38
    3939#define IOFFSET_R11     0x40
     40#define IOFFSET_RBP     0x48
    4041
    4142#  Mask for interrupts 0 - 31 (bits 0 - 31) where 0 means that int has no error word
    … …  
    179180        movq %r10, IOFFSET_R10(%rsp)
    180181        movq %r11, IOFFSET_R11(%rsp)
     182        movq %rbp, IOFFSET_RBP(%rsp)
    181183.endm
    182184
    … …  
    191193        movq IOFFSET_R10(%rsp), %r10
    192194        movq IOFFSET_R11(%rsp), %r11
     195        movq IOFFSET_RBP(%rsp), %rbp
    193196.endm
    194197
    … …  
    235238        cld
    236239
     240        # Stop stack traces here
     241        xorq %rbp, %rbp
     242
    237243        movq $(\i), %rdi        # %rdi - first parameter
    238244        movq %rsp, %rsi         # %rsi - pointer to istate

  • kernel/arch/amd64/src/boot/boot.S

    rfabc883 r304342e  
    174174        call arch_pre_main
    175175       
     176        # create the first stack frame
     177        pushq $0
     178        movq %rsp, %rbp
     179
    176180        call main_bsp
    177181       

  • kernel/arch/amd64/src/interrupt.c

    rfabc883 r304342e  
    5353#include <ddi/irq.h>
    5454#include <symtab.h>
     55#include <stacktrace.h>
    5556
    5657/*
    … …  
    8081            istate->r10, istate->r11);
    8182        printf("%%rsp=%#llx\n", &istate->stack[0]);
     83       
     84        stack_trace_istate(istate);
    8285}
    8386

  • kernel/arch/amd64/src/smp/ap.S

    rfabc883 r304342e  
    9999start64:
    100100        movq (ctx), %rsp
     101        pushq $0
     102        movq %rsp, %rbp
    101103        call main_ap - AP_BOOT_OFFSET + BOOT_OFFSET   # never returns
    102104
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