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hw/ppc: Avoid shifting left into sign bit 

Add U suffix to various places where we were doing "1 << 31",
which is undefined behaviour, and also to other constant
definitions in the same groups, for consistency.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Peter Maydell 2014-03-17 16:00:37 +00:00 committed by Michael Tokarev
parent def6029882
commit a1f7f97b95
5 changed files with 18 additions and 18 deletions
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2
hw/ppc/ppc.c
View File

@ -1002,7 +1002,7 @@ static void cpu_4xx_wdt_cb (void *opaque)
case 0x1:
timer_mod(ppc40x_timer->wdt_timer, next);
ppc40x_timer->wdt_next = next;
env->spr[SPR_40x_TSR] |= 1 << 31;
env->spr[SPR_40x_TSR] |= 1U << 31;
break;
case 0x2:
timer_mod(ppc40x_timer->wdt_timer, next);

4
hw/ppc/ppc440_bamboo.c
View File

@ -128,7 +128,7 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env,
tlb->attr = 0;
tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
tlb->size = 1 << 31; /* up to 0x80000000 */
tlb->size = 1U << 31; /* up to 0x80000000 */
tlb->EPN = va & TARGET_PAGE_MASK;
tlb->RPN = pa & TARGET_PAGE_MASK;
tlb->PID = 0;
@ -136,7 +136,7 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env,
tlb = &env->tlb.tlbe[1];
tlb->attr = 0;
tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
tlb->size = 1 << 31; /* up to 0xffffffff */
tlb->size = 1U << 31; /* up to 0xffffffff */
tlb->EPN = 0x80000000 & TARGET_PAGE_MASK;
tlb->RPN = 0x80000000 & TARGET_PAGE_MASK;
tlb->PID = 0;

2
hw/ppc/ppc4xx_devs.c
View File

@ -161,7 +161,7 @@ static void ppcuic_set_irq (void *opaque, int irq_num, int level)
uint32_t mask, sr;
uic = opaque;
mask = 1 << (31-irq_num);
mask = 1U << (31-irq_num);
LOG_UIC("%s: irq %d level %d uicsr %08" PRIx32
" mask %08" PRIx32 " => %08" PRIx32 " %08" PRIx32 "\n",
__func__, irq_num, level,

24
hw/ppc/ppc_booke.c
View File

@ -34,15 +34,15 @@
/* Timer Control Register */
#define TCR_WP_SHIFT 30 /* Watchdog Timer Period */
#define TCR_WP_MASK (0x3 << TCR_WP_SHIFT)
#define TCR_WP_MASK (0x3U << TCR_WP_SHIFT)
#define TCR_WRC_SHIFT 28 /* Watchdog Timer Reset Control */
#define TCR_WRC_MASK (0x3 << TCR_WRC_SHIFT)
#define TCR_WIE (1 << 27) /* Watchdog Timer Interrupt Enable */
#define TCR_DIE (1 << 26) /* Decrementer Interrupt Enable */
#define TCR_WRC_MASK (0x3U << TCR_WRC_SHIFT)
#define TCR_WIE (1U << 27) /* Watchdog Timer Interrupt Enable */
#define TCR_DIE (1U << 26) /* Decrementer Interrupt Enable */
#define TCR_FP_SHIFT 24 /* Fixed-Interval Timer Period */
#define TCR_FP_MASK (0x3 << TCR_FP_SHIFT)
#define TCR_FIE (1 << 23) /* Fixed-Interval Timer Interrupt Enable */
#define TCR_ARE (1 << 22) /* Auto-Reload Enable */
#define TCR_FP_MASK (0x3U << TCR_FP_SHIFT)
#define TCR_FIE (1U << 23) /* Fixed-Interval Timer Interrupt Enable */
#define TCR_ARE (1U << 22) /* Auto-Reload Enable */
/* Timer Control Register (e500 specific fields) */
@ -53,12 +53,12 @@
/* Timer Status Register */
#define TSR_FIS (1 << 26) /* Fixed-Interval Timer Interrupt Status */
#define TSR_DIS (1 << 27) /* Decrementer Interrupt Status */
#define TSR_FIS (1U << 26) /* Fixed-Interval Timer Interrupt Status */
#define TSR_DIS (1U << 27) /* Decrementer Interrupt Status */
#define TSR_WRS_SHIFT 28 /* Watchdog Timer Reset Status */
#define TSR_WRS_MASK (0x3 << TSR_WRS_SHIFT)
#define TSR_WIS (1 << 30) /* Watchdog Timer Interrupt Status */
#define TSR_ENW (1 << 31) /* Enable Next Watchdog Timer */
#define TSR_WRS_MASK (0x3U << TSR_WRS_SHIFT)
#define TSR_WIS (1U << 30) /* Watchdog Timer Interrupt Status */
#define TSR_ENW (1U << 31) /* Enable Next Watchdog Timer */
typedef struct booke_timer_t booke_timer_t;
struct booke_timer_t {

4
hw/ppc/virtex_ml507.c
View File

@ -71,7 +71,7 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env,
tlb->attr = 0;
tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
tlb->size = 1 << 31; /* up to 0x80000000 */
tlb->size = 1U << 31; /* up to 0x80000000 */
tlb->EPN = va & TARGET_PAGE_MASK;
tlb->RPN = pa & TARGET_PAGE_MASK;
tlb->PID = 0;
@ -79,7 +79,7 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env,
tlb = &env->tlb.tlbe[1];
tlb->attr = 0;
tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
tlb->size = 1 << 31; /* up to 0xffffffff */
tlb->size = 1U << 31; /* up to 0xffffffff */
tlb->EPN = 0x80000000 & TARGET_PAGE_MASK;
tlb->RPN = 0x80000000 & TARGET_PAGE_MASK;
tlb->PID = 0;