mirror of
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d31c50870d
Thu Jun 30 20:26:57 UTC 2016 Slackware 14.2 x86_64 stable is released! The long development cycle (the Linux community has lately been living in "interesting times", as they say) is finally behind us, and we're proud to announce the release of Slackware 14.2. The new release brings many updates and modern tools, has switched from udev to eudev (no systemd), and adds well over a hundred new packages to the system. Thanks to the team, the upstream developers, the dedicated Slackware community, and everyone else who pitched in to help make this release a reality. The ISOs are off to be replicated, a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. Please consider supporting the Slackware project by picking up a copy from store.slackware.com. We're taking pre-orders now, and offer a discount if you sign up for a subscription. Have fun! :-)
187 lines
4.2 KiB
Diff
187 lines
4.2 KiB
Diff
diff -ur libx86-1.1/lrmi.c libx86-1.1.hack/lrmi.c
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--- libx86-1.1/lrmi.c 2006-10-30 15:10:16.000000000 -0500
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+++ libx86-1.1.hack/lrmi.c 2009-10-26 15:55:42.000000000 -0400
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@@ -136,7 +136,7 @@
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if (context.ready)
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return 1;
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- if (!LRMI_common_init())
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+ if (!LRMI_common_init(0))
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return 0;
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/*
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diff -ur libx86-1.1/thunk.c libx86-1.1.hack/thunk.c
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--- libx86-1.1/thunk.c 2008-04-02 20:48:00.000000000 -0400
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+++ libx86-1.1.hack/thunk.c 2009-10-26 16:05:39.000000000 -0400
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@@ -139,11 +139,11 @@
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int i;
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X86EMU_intrFuncs intFuncs[256];
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- if (!LRMI_common_init())
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+ mmap_addr = LRMI_common_init(1);
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+
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+ if (!mmap_addr)
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return 0;
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- mmap_addr = 0;
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-
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X86EMU_pioFuncs pioFuncs = {
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(&x_inb),
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(&x_inw),
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@@ -169,10 +169,10 @@
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X86_ESP = 0xFFF9;
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memset (stack, 0, 64*1024);
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- *((char *)0) = 0x4f; /* Make sure that we end up jumping back to a
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- halt instruction */
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+ *mmap_addr = 0x4f; /* Make sure that we end up jumping back to a
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+ halt instruction */
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- M.mem_base = 0;
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+ M.mem_base = (unsigned long)mmap_addr;
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M.mem_size = 1024*1024;
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return 1;
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diff -ur libx86-1.1/x86-common.c libx86-1.1.hack/x86-common.c
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--- libx86-1.1/x86-common.c 2008-05-16 12:56:23.000000000 -0400
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+++ libx86-1.1.hack/x86-common.c 2009-10-26 16:03:21.000000000 -0400
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@@ -45,14 +45,15 @@
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static struct {
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int ready;
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int count;
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+ void *offset;
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struct mem_block blocks[REAL_MEM_BLOCKS];
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} mem_info = { 0 };
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static int
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-real_mem_init(void)
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+real_mem_init(int high_page)
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{
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void *m;
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- int fd_zero;
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+ int fd_zero, flags = MAP_SHARED;
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if (mem_info.ready)
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return 1;
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@@ -63,9 +64,12 @@
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return 0;
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}
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+ if (!high_page)
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+ flags |= MAP_FIXED;
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+
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m = mmap((void *)REAL_MEM_BASE, REAL_MEM_SIZE,
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- PROT_READ | PROT_WRITE | PROT_EXEC,
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- MAP_FIXED | MAP_SHARED, fd_zero, 0);
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+ PROT_READ | PROT_WRITE | PROT_EXEC,
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+ flags, fd_zero, 0);
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if (m == (void *)-1) {
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perror("mmap /dev/zero");
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@@ -76,6 +80,7 @@
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close(fd_zero);
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mem_info.ready = 1;
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+ mem_info.offset = m;
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mem_info.count = 1;
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mem_info.blocks[0].size = REAL_MEM_SIZE;
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mem_info.blocks[0].free = 1;
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@@ -87,7 +92,7 @@
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real_mem_deinit(void)
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{
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if (mem_info.ready) {
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- munmap((void *)REAL_MEM_BASE, REAL_MEM_SIZE);
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+ munmap(mem_info.offset, REAL_MEM_SIZE);
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mem_info.ready = 0;
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}
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}
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@@ -119,7 +124,7 @@
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LRMI_alloc_real(int size)
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{
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int i;
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- char *r = (char *)REAL_MEM_BASE;
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+ char *r = (char *)mem_info.offset;
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if (!mem_info.ready)
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return NULL;
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@@ -151,7 +156,7 @@
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LRMI_free_real(void *m)
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{
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int i;
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- char *r = (char *)REAL_MEM_BASE;
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+ char *r = (char *)mem_info.offset;
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if (!mem_info.ready)
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return;
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@@ -200,13 +205,15 @@
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return *(unsigned short *)(i * 4);
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}
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-int LRMI_common_init(void)
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+void *LRMI_common_init(int high_page)
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{
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- void *m;
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+ void *m, *offset;
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int fd_mem;
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- if (!real_mem_init())
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- return 0;
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+ if (!real_mem_init(high_page))
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+ return NULL;
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+
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+ offset = mem_info.offset - REAL_MEM_BASE;
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/*
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Map the Interrupt Vectors (0x0 - 0x400) + BIOS data (0x400 - 0x502)
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@@ -217,33 +224,33 @@
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if (fd_mem == -1) {
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real_mem_deinit();
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perror("open /dev/mem");
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- return 0;
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+ return NULL;
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}
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- m = mmap((void *)0, 0x502,
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- PROT_READ | PROT_WRITE | PROT_EXEC,
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- MAP_FIXED | MAP_SHARED, fd_mem, 0);
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+ m = mmap(offset, 0x502,
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+ PROT_READ | PROT_WRITE | PROT_EXEC,
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+ MAP_FIXED | MAP_SHARED, fd_mem, 0);
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if (m == (void *)-1) {
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close(fd_mem);
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real_mem_deinit();
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perror("mmap /dev/mem");
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- return 0;
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+ return NULL;
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}
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- m = mmap((void *)0xa0000, 0x100000 - 0xa0000,
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+ m = mmap(offset+0xa0000, 0x100000 - 0xa0000,
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PROT_READ | PROT_WRITE | PROT_EXEC,
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MAP_FIXED | MAP_SHARED, fd_mem, 0xa0000);
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if (m == (void *)-1) {
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- munmap((void *)0, 0x502);
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+ munmap(offset, 0x502);
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close(fd_mem);
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real_mem_deinit();
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perror("mmap /dev/mem");
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- return 0;
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+ return NULL;
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}
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close(fd_mem);
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- return 1;
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+ return offset;
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}
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diff -ur libx86-1.1/x86-common.h libx86-1.1.hack/x86-common.h
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--- libx86-1.1/x86-common.h 2006-09-07 18:44:27.000000000 -0400
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+++ libx86-1.1.hack/x86-common.h 2009-10-26 16:01:19.000000000 -0400
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@@ -40,4 +40,4 @@
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void *LRMI_alloc_real(int size);
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void LRMI_free_real(void *m);
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-int LRMI_common_init(void);
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+void *LRMI_common_init(int high_page);
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