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Re: [Xen-devel] [PATCH v2 12/17] libxl/arm: Add a helper to calculate the ACPI table checksum
Hi Shannon,
On 23/06/16 04:16, Shannon Zhao wrote:
From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
---
tools/libxl/libxl_arm_acpi.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c
index 45fc354..d8779af 100644
--- a/tools/libxl/libxl_arm_acpi.c
+++ b/tools/libxl/libxl_arm_acpi.c
@@ -270,6 +270,21 @@ static void make_acpi_dsdt(libxl__gc *gc, struct
xc_dom_image *dom)
dom->acpitable_size += ROUNDUP(acpitables[DSDT].size, 3);
}
+static void calculate_checksum(void *table, uint32_t checksum_offset,
+ uint32_t length)
This will break compilation and therefore bisection as nobody is using
this function. Please make sure that all the patch can build one by one.
+{
+ uint8_t *p, sum = 0;
+
+ p = table;
+ p[checksum_offset] = 0;
+
+ while ( length-- )
+ sum = sum + *p++;
+
+ p = table;
+ p[checksum_offset] = -sum;
+}
+
int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
libxl__domain_build_state *state,
struct xc_dom_image *dom)
Regards,
--
Julien Grall
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