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Code Issues Releases Activity

Allow cxgbe(4) to be built on i386. Driver attach will succeed only on a subset

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of i386 systems.
This commit is contained in:
Navdeep Parhar 2015-01-16 01:32:40 +00:00
parent cddd227c5f
commit 88d7f6bddf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=277226
2 changed files with 13 additions and 0 deletions
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8
sys/dev/cxgbe/t4_main.c
View File

@ -668,6 +668,14 @@ t4_attach(device_t dev)
goto done;
}
#if defined(__i386__)
if ((cpu_feature & CPUID_CX8) == 0) {
device_printf(dev, "64 bit atomics not available.\n");
rc = ENOTSUP;
goto done;
}
#endif
/* Prepare the firmware for operation */
rc = prep_firmware(sc);
if (rc != 0)

5
sys/dev/cxgbe/t4_mp_ring.c
View File

@ -38,6 +38,11 @@ __FBSDID("$FreeBSD$");
#include "t4_mp_ring.h"
#if defined(__i386__)
#define atomic_cmpset_acq_64 atomic_cmpset_64
#define atomic_cmpset_rel_64 atomic_cmpset_64
#endif
union ring_state {
struct {
uint16_t pidx_head;