diff options
Diffstat (limited to 'unmaintained/libx86/libx86-mmap-offset.patch')
| -rw-r--r-- | unmaintained/libx86/libx86-mmap-offset.patch | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/unmaintained/libx86/libx86-mmap-offset.patch b/unmaintained/libx86/libx86-mmap-offset.patch deleted file mode 100644 index 881bc6615d..0000000000 --- a/unmaintained/libx86/libx86-mmap-offset.patch +++ /dev/null @@ -1,187 +0,0 @@ -diff -ur libx86-1.1/lrmi.c libx86-1.1.hack/lrmi.c ---- libx86-1.1/lrmi.c 2006-10-30 15:10:16.000000000 -0500 -+++ libx86-1.1.hack/lrmi.c 2009-10-26 15:55:42.000000000 -0400 -@@ -136,7 +136,7 @@ - if (context.ready) - return 1; - -- if (!LRMI_common_init()) -+ if (!LRMI_common_init(0)) - return 0; - - /* -diff -ur libx86-1.1/thunk.c libx86-1.1.hack/thunk.c ---- libx86-1.1/thunk.c 2008-04-02 20:48:00.000000000 -0400 -+++ libx86-1.1.hack/thunk.c 2009-10-26 16:05:39.000000000 -0400 -@@ -139,11 +139,11 @@ - int i; - X86EMU_intrFuncs intFuncs[256]; - -- if (!LRMI_common_init()) -+ mmap_addr = LRMI_common_init(1); -+ -+ if (!mmap_addr) - return 0; - -- mmap_addr = 0; -- - X86EMU_pioFuncs pioFuncs = { - (&x_inb), - (&x_inw), -@@ -169,10 +169,10 @@ - X86_ESP = 0xFFF9; - memset (stack, 0, 64*1024); - -- *((char *)0) = 0x4f; /* Make sure that we end up jumping back to a -- halt instruction */ -+ *mmap_addr = 0x4f; /* Make sure that we end up jumping back to a -+ halt instruction */ - -- M.mem_base = 0; -+ M.mem_base = (unsigned long)mmap_addr; - M.mem_size = 1024*1024; - - return 1; -diff -ur libx86-1.1/x86-common.c libx86-1.1.hack/x86-common.c ---- libx86-1.1/x86-common.c 2008-05-16 12:56:23.000000000 -0400 -+++ libx86-1.1.hack/x86-common.c 2009-10-26 16:03:21.000000000 -0400 -@@ -45,14 +45,15 @@ - static struct { - int ready; - int count; -+ void *offset; - struct mem_block blocks[REAL_MEM_BLOCKS]; - } mem_info = { 0 }; - - static int --real_mem_init(void) -+real_mem_init(int high_page) - { - void *m; -- int fd_zero; -+ int fd_zero, flags = MAP_SHARED; - - if (mem_info.ready) - return 1; -@@ -63,9 +64,12 @@ - return 0; - } - -+ if (!high_page) -+ flags |= MAP_FIXED; -+ - m = mmap((void *)REAL_MEM_BASE, REAL_MEM_SIZE, -- PROT_READ | PROT_WRITE | PROT_EXEC, -- MAP_FIXED | MAP_SHARED, fd_zero, 0); -+ PROT_READ | PROT_WRITE | PROT_EXEC, -+ flags, fd_zero, 0); - - if (m == (void *)-1) { - perror("mmap /dev/zero"); -@@ -76,6 +80,7 @@ - close(fd_zero); - - mem_info.ready = 1; -+ mem_info.offset = m; - mem_info.count = 1; - mem_info.blocks[0].size = REAL_MEM_SIZE; - mem_info.blocks[0].free = 1; -@@ -87,7 +92,7 @@ - real_mem_deinit(void) - { - if (mem_info.ready) { -- munmap((void *)REAL_MEM_BASE, REAL_MEM_SIZE); -+ munmap(mem_info.offset, REAL_MEM_SIZE); - mem_info.ready = 0; - } - } -@@ -119,7 +124,7 @@ - LRMI_alloc_real(int size) - { - int i; -- char *r = (char *)REAL_MEM_BASE; -+ char *r = (char *)mem_info.offset; - - if (!mem_info.ready) - return NULL; -@@ -151,7 +156,7 @@ - LRMI_free_real(void *m) - { - int i; -- char *r = (char *)REAL_MEM_BASE; -+ char *r = (char *)mem_info.offset; - - if (!mem_info.ready) - return; -@@ -200,13 +205,15 @@ - return *(unsigned short *)(i * 4); - } - --int LRMI_common_init(void) -+void *LRMI_common_init(int high_page) - { -- void *m; -+ void *m, *offset; - int fd_mem; - -- if (!real_mem_init()) -- return 0; -+ if (!real_mem_init(high_page)) -+ return NULL; -+ -+ offset = mem_info.offset - REAL_MEM_BASE; - - /* - Map the Interrupt Vectors (0x0 - 0x400) + BIOS data (0x400 - 0x502) -@@ -217,33 +224,33 @@ - if (fd_mem == -1) { - real_mem_deinit(); - perror("open /dev/mem"); -- return 0; -+ return NULL; - } - -- m = mmap((void *)0, 0x502, -- PROT_READ | PROT_WRITE | PROT_EXEC, -- MAP_FIXED | MAP_SHARED, fd_mem, 0); -+ m = mmap(offset, 0x502, -+ PROT_READ | PROT_WRITE | PROT_EXEC, -+ MAP_FIXED | MAP_SHARED, fd_mem, 0); - - if (m == (void *)-1) { - close(fd_mem); - real_mem_deinit(); - perror("mmap /dev/mem"); -- return 0; -+ return NULL; - } - -- m = mmap((void *)0xa0000, 0x100000 - 0xa0000, -+ m = mmap(offset+0xa0000, 0x100000 - 0xa0000, - PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_FIXED | MAP_SHARED, fd_mem, 0xa0000); - - if (m == (void *)-1) { -- munmap((void *)0, 0x502); -+ munmap(offset, 0x502); - close(fd_mem); - real_mem_deinit(); - perror("mmap /dev/mem"); -- return 0; -+ return NULL; - } - - close(fd_mem); - -- return 1; -+ return offset; - } -diff -ur libx86-1.1/x86-common.h libx86-1.1.hack/x86-common.h ---- libx86-1.1/x86-common.h 2006-09-07 18:44:27.000000000 -0400 -+++ libx86-1.1.hack/x86-common.h 2009-10-26 16:01:19.000000000 -0400 -@@ -40,4 +40,4 @@ - - void *LRMI_alloc_real(int size); - void LRMI_free_real(void *m); --int LRMI_common_init(void); -+void *LRMI_common_init(int high_page); |