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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 10:08:33 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 10:08:33 -0700 |
commit | d3d07d941fd80c173b6d690ded00ee5fb8302e06 (patch) | |
tree | f1a82c956e393df9933c8544bb564ef1735384ee /arch/sh/kernel/cpu/sh5/entry.S | |
parent | 6cd8e300b49332eb9eeda45816c711c198d31505 (diff) | |
parent | 54ff328b46e58568c4b3350c2fa3223ef862e5a4 (diff) | |
download | talos-op-linux-d3d07d941fd80c173b6d690ded00ee5fb8302e06.tar.gz talos-op-linux-d3d07d941fd80c173b6d690ded00ee5fb8302e06.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (266 commits)
sh: Tie sparseirq in to Kconfig.
sh: Wire up sys_rt_tgsigqueueinfo.
sh: Fix sys_pwritev() syscall table entry for sh32.
sh: Fix sh4a llsc-based cmpxchg()
sh: sh7724: Add JPU support
sh: sh7724: INTC setting update
sh: sh7722 clock framework rewrite
sh: sh7366 clock framework rewrite
sh: sh7343 clock framework rewrite
sh: sh7724 clock framework rewrite V3
sh: sh7723 clock framework rewrite V2
sh: add enable()/disable()/set_rate() to div6 code
sh: add AP325RXA mode pin configuration
sh: add Migo-R mode pin configuration
sh: sh7722 mode pin definitions
sh: sh7724 mode pin comments
sh: sh7723 mode pin V2
sh: rework mode pin code
sh: clock div6 helper code
sh: clock div4 frequency table offset fix
...
Diffstat (limited to 'arch/sh/kernel/cpu/sh5/entry.S')
-rw-r--r-- | arch/sh/kernel/cpu/sh5/entry.S | 65 |
1 files changed, 4 insertions, 61 deletions
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S index 7e49cb812f8b..b0aacf675258 100644 --- a/arch/sh/kernel/cpu/sh5/entry.S +++ b/arch/sh/kernel/cpu/sh5/entry.S @@ -812,27 +812,6 @@ no_underflow: ! exceptions add SP, ZERO, r14 -#ifdef CONFIG_POOR_MANS_STRACE - /* We've pushed all the registers now, so only r2-r4 hold anything - * useful. Move them into callee save registers */ - or r2, ZERO, r28 - or r3, ZERO, r29 - or r4, ZERO, r30 - - /* Preserve r2 as the event code */ - movi evt_debug, r3 - ori r3, 1, r3 - ptabs r3, tr0 - - or SP, ZERO, r6 - getcon TRA, r5 - blink tr0, LINK - - or r28, ZERO, r2 - or r29, ZERO, r3 - or r30, ZERO, r4 -#endif - /* For syscall and debug race condition, get TRA now */ getcon TRA, r5 @@ -887,11 +866,6 @@ no_underflow: */ .global ret_from_irq ret_from_irq: -#ifdef CONFIG_POOR_MANS_STRACE - pta evt_debug_ret_from_irq, tr0 - ori SP, 0, r2 - blink tr0, LINK -#endif ld.q SP, FRAME_S(FSSR), r6 shlri r6, 30, r6 andi r6, 1, r6 @@ -905,12 +879,6 @@ ret_from_irq: ret_from_exception: preempt_stop() -#ifdef CONFIG_POOR_MANS_STRACE - pta evt_debug_ret_from_exc, tr0 - ori SP, 0, r2 - blink tr0, LINK -#endif - ld.q SP, FRAME_S(FSSR), r6 shlri r6, 30, r6 andi r6, 1, r6 @@ -1236,18 +1204,6 @@ syscall_bad: .global syscall_ret syscall_ret: st.q SP, FRAME_R(9), r2 /* Expecting SP back to BASIC frame */ - -#ifdef CONFIG_POOR_MANS_STRACE - /* nothing useful in registers at this point */ - - movi evt_debug2, r5 - ori r5, 1, r5 - ptabs r5, tr0 - ld.q SP, FRAME_R(9), r2 - or SP, ZERO, r3 - blink tr0, LINK -#endif - ld.q SP, FRAME_S(FSPC), r2 addi r2, 4, r2 /* Move PC, being pre-execution event */ st.q SP, FRAME_S(FSPC), r2 @@ -1268,25 +1224,12 @@ ret_from_fork: ptabs r5, tr0 blink tr0, LINK -#ifdef CONFIG_POOR_MANS_STRACE - /* nothing useful in registers at this point */ - - movi evt_debug2, r5 - ori r5, 1, r5 - ptabs r5, tr0 - ld.q SP, FRAME_R(9), r2 - or SP, ZERO, r3 - blink tr0, LINK -#endif - ld.q SP, FRAME_S(FSPC), r2 addi r2, 4, r2 /* Move PC, being pre-execution event */ st.q SP, FRAME_S(FSPC), r2 pta ret_from_syscall, tr0 blink tr0, ZERO - - syscall_allowed: /* Use LINK to deflect the exit point, default is syscall_ret */ pta syscall_ret, tr0 @@ -1410,8 +1353,8 @@ peek_real_address_q: r2(out) : result quadword This is provided as a cheapskate way of manipulating device - registers for debugging (to avoid the need to onchip_remap the debug - module, and to avoid the need to onchip_remap the watchpoint + registers for debugging (to avoid the need to ioremap the debug + module, and to avoid the need to ioremap the watchpoint controller in a way that identity maps sufficient bits to avoid the SH5-101 cut2 silicon defect). @@ -1459,8 +1402,8 @@ poke_real_address_q: r3 : quadword value to write. This is provided as a cheapskate way of manipulating device - registers for debugging (to avoid the need to onchip_remap the debug - module, and to avoid the need to onchip_remap the watchpoint + registers for debugging (to avoid the need to ioremap the debug + module, and to avoid the need to ioremap the watchpoint controller in a way that identity maps sufficient bits to avoid the SH5-101 cut2 silicon defect). |