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Fix gcc build errors with SSE 4.2 detection and gcc warnings
- Remove -Wunused-but-set-variable's (`len`, etc). - Replace clang-specific tests in sse42_supported(..) with generic, FreeBSD-supported CPU feature tests, using macros and functions from machine/cpufunc.h and machine/specialreg.h . The previous method for determining SSE4.2 availability was only compatible with clang. - Sort #includes per style(9). Approved by: re (gjb) Differential Revision: https://reviews.freebsd.org/D7119 MFC after: 1 week X-MFC with: r302332 Reported by: Jenkins Reviewed by: grehan (maintainer) Sponsored by: EMC / Isilon Storage Division
This commit is contained in:
Enji Cooper
parent
73a709081c
commit
77334a7eb9
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=302368
@ -28,12 +28,14 @@
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <sys/select.h>
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#include <sys/param.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <arpa/inet.h>
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#include <machine/cpufunc.h>
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#include <machine/specialreg.h>
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#include <netinet/in.h>
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#include <assert.h>
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#include <pthread.h>
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@ -46,7 +48,6 @@ __FBSDID("$FreeBSD$");
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#include <unistd.h>
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#include <zlib.h>
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#include <cpuid.h>
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#include "bhyvegc.h"
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#include "console.h"
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@ -177,7 +178,6 @@ rfb_send_server_init_msg(int cfd)
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{
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struct bhyvegc_image *gc_image;
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struct rfb_srvr_info sinfo;
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int len;
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gc_image = console_get_image();
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@ -194,8 +194,8 @@ rfb_send_server_init_msg(int cfd)
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sinfo.pixfmt.green_shift = 8;
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sinfo.pixfmt.blue_shift = 0;
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sinfo.namelen = htonl(strlen("bhyve"));
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len = stream_write(cfd, &sinfo, sizeof(sinfo));
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len = stream_write(cfd, "bhyve", strlen("bhyve"));
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(void)stream_write(cfd, &sinfo, sizeof(sinfo));
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(void)stream_write(cfd, "bhyve", strlen("bhyve"));
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}
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static void
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@ -223,9 +223,8 @@ static void
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rfb_recv_set_pixfmt_msg(struct rfb_softc *rc, int cfd)
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{
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struct rfb_pixfmt_msg pixfmt_msg;
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int len;
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len = stream_read(cfd, ((void *)&pixfmt_msg)+1, sizeof(pixfmt_msg)-1);
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(void)stream_read(cfd, ((void *)&pixfmt_msg)+1, sizeof(pixfmt_msg)-1);
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}
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@ -233,14 +232,14 @@ static void
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rfb_recv_set_encodings_msg(struct rfb_softc *rc, int cfd)
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{
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struct rfb_enc_msg enc_msg;
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int len, i;
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int i;
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uint32_t encoding;
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assert((sizeof(enc_msg) - 1) == 3);
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len = stream_read(cfd, ((void *)&enc_msg)+1, sizeof(enc_msg)-1);
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(void)stream_read(cfd, ((void *)&enc_msg)+1, sizeof(enc_msg)-1);
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for (i = 0; i < htons(enc_msg.numencs); i++) {
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len = stream_read(cfd, &encoding, sizeof(encoding));
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(void)stream_read(cfd, &encoding, sizeof(encoding));
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switch (htonl(encoding)) {
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case RFB_ENCODING_RAW:
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rc->enc_raw_ok = true;
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@ -256,27 +255,6 @@ rfb_recv_set_encodings_msg(struct rfb_softc *rc, int cfd)
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}
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}
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static void
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rfb_resize_update(struct rfb_softc *rc, int fd)
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{
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struct rfb_srvr_updt_msg supdt_msg;
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struct rfb_srvr_rect_hdr srect_hdr;
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/* Number of rectangles: 1 */
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supdt_msg.type = 0;
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supdt_msg.pad = 0;
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supdt_msg.numrects = htons(1);
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stream_write(fd, &supdt_msg, sizeof(struct rfb_srvr_updt_msg));
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/* Rectangle header */
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srect_hdr.x = htons(0);
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srect_hdr.y = htons(0);
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srect_hdr.width = htons(rc->width);
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srect_hdr.height = htons(rc->height);
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srect_hdr.encoding = htonl(RFB_ENCODING_RESIZE);
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stream_write(fd, &srect_hdr, sizeof(struct rfb_srvr_rect_hdr));
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}
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/*
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* Calculate CRC32 using SSE4.2; Intel or AMD Bulldozer+ CPUs only
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*/
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@ -636,9 +614,8 @@ rfb_recv_update_msg(struct rfb_softc *rc, int cfd, int discardonly)
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{
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struct rfb_updt_msg updt_msg;
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struct bhyvegc_image *gc_image;
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int len;
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len = stream_read(cfd, ((void *)&updt_msg) + 1 , sizeof(updt_msg) - 1);
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(void)stream_read(cfd, ((void *)&updt_msg) + 1 , sizeof(updt_msg) - 1);
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console_refresh();
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gc_image = console_get_image();
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@ -666,9 +643,8 @@ static void
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rfb_recv_key_msg(struct rfb_softc *rc, int cfd)
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{
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struct rfb_key_msg key_msg;
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int len;
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len = stream_read(cfd, ((void *)&key_msg) + 1, sizeof(key_msg) - 1);
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(void)stream_read(cfd, ((void *)&key_msg) + 1, sizeof(key_msg) - 1);
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console_key_event(key_msg.down, htonl(key_msg.code));
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}
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@ -677,9 +653,8 @@ static void
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rfb_recv_ptr_msg(struct rfb_softc *rc, int cfd)
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{
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struct rfb_ptr_msg ptr_msg;
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int len;
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len = stream_read(cfd, ((void *)&ptr_msg) + 1, sizeof(ptr_msg) - 1);
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(void)stream_read(cfd, ((void *)&ptr_msg) + 1, sizeof(ptr_msg) - 1);
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console_ptr_event(ptr_msg.button, htons(ptr_msg.x), htons(ptr_msg.y));
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}
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@ -876,13 +851,15 @@ rfb_thr(void *arg)
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}
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static int
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sse42_supported()
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sse42_supported(void)
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{
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unsigned int eax, ebx, ecx, edx;
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__get_cpuid(1, &eax, &ebx, &ecx, &edx);
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return ((ecx & bit_SSE42) != 0);
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u_int cpu_registers[4], ecx;
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do_cpuid(1, cpu_registers);
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ecx = cpu_registers[2];
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return ((ecx & CPUID2_SSE42) != 0);
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}
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int
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