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ao486: mount CD images as read-only.

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This commit is contained in:
sorgelig
2020-10-02 03:11:42 +08:00
parent 072385888a
commit ddc44c7d78
1 changed files with 5 additions and 5 deletions
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10
support/x86/x86.cpp
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@@ -240,14 +240,14 @@ static fileTYPE fdd1_image = {};
static fileTYPE ide_image[4] = {};
static bool boot_from_floppy = 1;
static int img_mount(fileTYPE *f, const char *name)
static int img_mount(fileTYPE *f, const char *name, int rw)
{
FileClose(f);
int writable = 0, ret = 0;
if (strlen(name))
{
writable = FileCanWrite(name);
writable = rw && FileCanWrite(name);
ret = FileOpenEx(f, name, writable ? (O_RDWR | O_SYNC) : O_RDONLY);
if (!ret) printf("Failed to open file %s\n", name);
}
@@ -333,7 +333,7 @@ static void fdd_set(int num, char* filename)
uint32_t base = newcore ? FDD0_BASE_NEW : FLOPPY0_BASE_OLD;
fileTYPE *fdd_image = num ? &fdd1_image : &fdd0_image;
int floppy = img_mount(fdd_image, filename);
int floppy = img_mount(fdd_image, filename, 1);
uint32_t size = fdd_image->size/512;
printf("floppy size: %d blks\n", size);
if (floppy && size)
@@ -428,11 +428,11 @@ static void hdd_set(int num, char* filename)
if (num > 1 && !vhd)
{
const char *img_name = cdrom_parse(num, filename);
if (img_name) present = img_mount(&ide_image[num], img_name);
if (img_name) present = img_mount(&ide_image[num], img_name, 0);
if (present) cd = 1;
}
if(!present && vhd) present = img_mount(&ide_image[num], filename);
if(!present && vhd) present = img_mount(&ide_image[num], filename, 1);
x86_ide_set(num, base, present ? &ide_image[num] : 0, v3 ? 3 : newcore ? 2 : 0, cd);
}