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ARMv7-M SysTick fix.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3727 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook
2007-11-24 03:09:07 +00:00
parent aae9366a03
commit e57ec0168c
4 changed files with 9 additions and 11 deletions
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8
hw/stellaris.c
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@@ -42,10 +42,6 @@ typedef const struct {
/* General purpose timer module. */
/* Multiplication factor to convert from GPTM timer ticks to qemu timer
ticks. */
static int stellaris_clock_scale;
typedef struct gptm_state {
uint32_t config;
uint32_t mode[2];
@@ -90,7 +86,7 @@ static void gptm_reload(gptm_state *s, int n, int reset)
/* 32-bit CountDown. */
uint32_t count;
count = s->load[0] | (s->load[1] << 16);
tick += (int64_t)count * stellaris_clock_scale;
tick += (int64_t)count * system_clock_scale;
} else if (s->config == 1) {
/* 32-bit RTC. 1Hz tick. */
tick += ticks_per_sec;
@@ -480,7 +476,7 @@ static void ssys_write(void *opaque, target_phys_addr_t offset, uint32_t value)
s->int_status |= (1 << 6);
}
s->rcc = value;
stellaris_clock_scale = 5 * (((s->rcc >> 23) & 0xf) + 1);
system_clock_scale = 5 * (((s->rcc >> 23) & 0xf) + 1);
break;
case 0x100: /* RCGC0 */
s->rcgc[0] = value;