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Add 64-bit data support for memory commands

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Add 64-bit data for memory commands, such as md, mw, mm, cmp. The new
size ".q " is introduced.

For 64-bit architecture, 64-bit data is enabled by default, by detecting
compiler __LP64__. It is optional for other architectures.

Signed-off-by: York Sun <yorksun@freescale.com>
This commit is contained in:
York Sun
2014-02-26 17:03:19 -08:00
committed by Tom Rini
parent f9aa6a1086
commit 4d1fd7f1ae
5 changed files with 174 additions and 11 deletions
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17
lib/display_options.c
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@@ -87,11 +87,19 @@ int print_buffer(ulong addr, const void *data, uint width, uint count,
{
/* linebuf as a union causes proper alignment */
union linebuf {
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
uint64_t uq[MAX_LINE_LENGTH_BYTES/sizeof(uint64_t) + 1];
#endif
uint32_t ui[MAX_LINE_LENGTH_BYTES/sizeof(uint32_t) + 1];
uint16_t us[MAX_LINE_LENGTH_BYTES/sizeof(uint16_t) + 1];
uint8_t uc[MAX_LINE_LENGTH_BYTES/sizeof(uint8_t) + 1];
} lb;
int i;
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
uint64_t x;
#else
uint32_t x;
#endif
if (linelen*width > MAX_LINE_LENGTH_BYTES)
linelen = MAX_LINE_LENGTH_BYTES / width;
@@ -108,14 +116,21 @@ int print_buffer(ulong addr, const void *data, uint width, uint count,
/* Copy from memory into linebuf and print hex values */
for (i = 0; i < thislinelen; i++) {
uint32_t x;
if (width == 4)
x = lb.ui[i] = *(volatile uint32_t *)data;
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
else if (width == 8)
x = lb.uq[i] = *(volatile uint64_t *)data;
#endif
else if (width == 2)
x = lb.us[i] = *(volatile uint16_t *)data;
else
x = lb.uc[i] = *(volatile uint8_t *)data;
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
printf(" %0*llx", width * 2, x);
#else
printf(" %0*x", width * 2, x);
#endif
data += width;
}