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- fixed a bug in 24 bpp mode, at least when there are four bytes per pixel

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- a little loop optimization when clearing the dirty pages
- changed unsigned longs with the uintptr type
- also used uintpr for the page alignment function
This commit is contained in:
gbeauche 2000-10-02 17:52:42 +00:00
parent 147f72cb41
commit 24217ac65b
1 changed files with 11 additions and 9 deletions
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20
BasiliskII/src/Unix/video_vosf.h
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@ -29,7 +29,7 @@
*/
// Align on page boundaries
static uint32 align_on_page_boundary(uint32 size)
static uintptr align_on_page_boundary(uintptr size)
{
const uint32 page_size = getpagesize();
const uint32 page_mask = page_size - 1;
@ -182,7 +182,7 @@ static void do_fbcopy_raw(uint8 * dest, const uint8 * source, uint32 length)
(dst = (src))
#define FB_BLIT_2(dst, src) \
(dst = (((src) >> 24) & 0xff) | (((src) >> 16) & 0xff00) | (((src) & 0xff00) << 16) | (((src) & 0xff) << 24))
(dst = (((src) >> 24) & 0xff) | (((src) >> 8) & 0xff00) | (((src) & 0xff00) << 8) | (((src) & 0xff) << 24))
#define FB_DEPTH 24
#include "video_blit.h"
@ -240,7 +240,7 @@ static fbcopy_func fbcopy_funcs[ID_DEPTH_COUNT][2][2] = {
* Screen fault handler
*/
static inline void do_handle_screen_fault(unsigned long addr)
static inline void do_handle_screen_fault(uintptr addr)
{
if ((addr < mainBuffer.memStart) || (addr >= mainBuffer.memEnd)) {
fprintf(stderr, "Segmentation fault at 0x%08X\n", addr);
@ -263,14 +263,14 @@ static inline void do_handle_screen_fault(unsigned long addr)
static void Screen_fault_handler(int, siginfo_t * sip, void *)
{
D(bug("Screen_fault_handler: ADDR=0x%08X\n", sip->si_addr));
do_handle_screen_fault((unsigned long)sip->si_addr);
do_handle_screen_fault((uintptr)sip->si_addr);
}
#elif defined(HAVE_SIGCONTEXT_SUBTERFUGE)
# if defined(__i386__) && defined(__linux__)
static void Screen_fault_handler(int, struct sigcontext scs)
{
D(bug("Screen_fault_handler: ADDR=0x%08X from IP=0x%08X\n", scs.cr2, scs.eip));
do_handle_screen_fault((unsigned long)scs.cr2);
do_handle_screen_fault((uintptr)scs.cr2);
}
# else
# error "No suitable subterfuge for Video on SEGV signals"
@ -323,9 +323,10 @@ static inline void update_display_window_vosf(void)
break;
const int first_page = page;
PFLAG_CLEAR(first_page);
while ((++page < mainBuffer.pageCount) && PFLAG_ISSET(page))
while ((page < mainBuffer.pageCount) && PFLAG_ISSET(page)) {
PFLAG_CLEAR(page);
++page;
}
// Make the dirty pages read-only again
const int32 offset = first_page << mainBuffer.pageBits;
@ -407,9 +408,10 @@ static inline void update_display_dga_vosf(void)
break;
const int first_page = page;
PFLAG_CLEAR(first_page);
while ((++page < mainBuffer.pageCount) && PFLAG_ISSET(page))
while ((page < mainBuffer.pageCount) && PFLAG_ISSET(page)) {
PFLAG_CLEAR(page);
++page;
}
// Make the dirty pages read-only again
const int32 offset = first_page << mainBuffer.pageBits;