From ea0af95b1c7e17541365b555a43f5e8d51ef3dff Mon Sep 17 00:00:00 2001 From: Jesper Nilsson Date: Fri, 25 Jan 2008 17:57:28 +0100 Subject: [PATCH] CRIS v32: Change lib/spinlock.S to use byte operations instead of dwords. --- arch/cris/arch-v32/kernel/vcs_hook.c | 96 ---------------------------- arch/cris/arch-v32/kernel/vcs_hook.h | 42 ------------ arch/cris/arch-v32/lib/spinlock.S | 10 +-- 3 files changed, 5 insertions(+), 143 deletions(-) delete mode 100644 arch/cris/arch-v32/kernel/vcs_hook.c delete mode 100644 arch/cris/arch-v32/kernel/vcs_hook.h diff --git a/arch/cris/arch-v32/kernel/vcs_hook.c b/arch/cris/arch-v32/kernel/vcs_hook.c deleted file mode 100644 index 64d71c54c2..0000000000 --- a/arch/cris/arch-v32/kernel/vcs_hook.c +++ /dev/null @@ -1,96 +0,0 @@ -// $Id: vcs_hook.c,v 1.2 2003/08/12 12:01:06 starvik Exp $ -// -// Call simulator hook. This is the part running in the -// simulated program. -// - -#include "vcs_hook.h" -#include -#include -#include - -#define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */ -#define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */ - -#define HOOK_DATA(offset) ((unsigned*) HOOK_MEM_BASE_ADDR)[offset] -#define VHOOK_DATA(offset) ((volatile unsigned*) HOOK_MEM_BASE_ADDR)[offset] -#define HOOK_TRIG(funcid) do { *((unsigned *) HOOK_TRIG_ADDR) = funcid; } while(0) -#define HOOK_DATA_BYTE(offset) ((unsigned char*) HOOK_MEM_BASE_ADDR)[offset] - - -// ------------------------------------------------------------------ hook_call -int hook_call( unsigned id, unsigned pcnt, ...) { - va_list ap; - unsigned i; - unsigned ret; -#ifdef USING_SOS - PREEMPT_OFF_SAVE(); -#endif - - // pass parameters - HOOK_DATA(0) = id; - - /* Have to make hook_print_str a special case since we call with a - parameter of byte type. Should perhaps be a separate - hook_call. */ - - if (id == hook_print_str) { - int i; - char *str; - - HOOK_DATA(1) = pcnt; - - va_start(ap, pcnt); - str = (char*)va_arg(ap,unsigned); - - for (i=0; i!=pcnt; i++) { - HOOK_DATA_BYTE(8+i) = str[i]; - } - HOOK_DATA_BYTE(8+i) = 0; /* null byte */ - } - else { - va_start(ap, pcnt); - for( i = 1; i <= pcnt; i++ ) HOOK_DATA(i) = va_arg(ap,unsigned); - va_end(ap); - } - - // read from mem to make sure data has propagated to memory before trigging - *((volatile unsigned*) HOOK_MEM_BASE_ADDR); - - // trigger hook - HOOK_TRIG(id); - - // wait for call to finish - while( VHOOK_DATA(0) > 0 ) {} - - // extract return value - - ret = VHOOK_DATA(1); - -#ifdef USING_SOS - PREEMPT_RESTORE(); -#endif - return ret; -} - -unsigned -hook_buf(unsigned i) -{ - return (HOOK_DATA(i)); -} - -void print_str( const char *str ) { - int i; - for (i=1; str[i]; i++); /* find null at end of string */ - hook_call(hook_print_str, i, str); -} - -// --------------------------------------------------------------- CPU_KICK_DOG -void CPU_KICK_DOG(void) { - (void) hook_call( hook_kick_dog, 0 ); -} - -// ------------------------------------------------------- CPU_WATCHDOG_TIMEOUT -void CPU_WATCHDOG_TIMEOUT( unsigned t ) { - (void) hook_call( hook_dog_timeout, 1, t ); -} diff --git a/arch/cris/arch-v32/kernel/vcs_hook.h b/arch/cris/arch-v32/kernel/vcs_hook.h deleted file mode 100644 index 7d73709e3c..0000000000 --- a/arch/cris/arch-v32/kernel/vcs_hook.h +++ /dev/null @@ -1,42 +0,0 @@ -// $Id: vcs_hook.h,v 1.1 2003/08/12 12:01:06 starvik Exp $ -// -// Call simulator hook functions - -#ifndef HOOK_H -#define HOOK_H - -int hook_call( unsigned id, unsigned pcnt, ...); - -enum hook_ids { - hook_debug_on = 1, - hook_debug_off, - hook_stop_sim_ok, - hook_stop_sim_fail, - hook_alloc_shared, - hook_ptr_shared, - hook_free_shared, - hook_file2shared, - hook_cmp_shared, - hook_print_params, - hook_sim_time, - hook_stop_sim, - hook_kick_dog, - hook_dog_timeout, - hook_rand, - hook_srand, - hook_rand_range, - hook_print_str, - hook_print_hex, - hook_cmp_offset_shared, - hook_fill_random_shared, - hook_alloc_random_data, - hook_calloc_random_data, - hook_print_int, - hook_print_uint, - hook_fputc, - hook_init_fd, - hook_sbrk - -}; - -#endif diff --git a/arch/cris/arch-v32/lib/spinlock.S b/arch/cris/arch-v32/lib/spinlock.S index 2437ae7f6e..79087ef59a 100644 --- a/arch/cris/arch-v32/lib/spinlock.S +++ b/arch/cris/arch-v32/lib/spinlock.S @@ -12,11 +12,11 @@ cris_spin_lock: clearf p -1: test.d [$r10] +1: test.b [$r10] beq 1b clearf p ax - clear.d [$r10] + clear.b [$r10] bcs 1b clearf p ret @@ -24,10 +24,10 @@ cris_spin_lock: cris_spin_trylock: clearf p -1: move.d [$r10], $r11 +1: move.b [$r10], $r11 ax - clear.d [$r10] + clear.b [$r10] bcs 1b clearf p ret - move.d $r11,$r10 + movu.b $r11,$r10 -- 2.39.5