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author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-04-23 17:14:48 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-04-23 17:14:48 +0000 |
commit | d0ecd2aaf9ecc2c434eed4c5de7917787476223e (patch) | |
tree | 89876ca35018fab5c9a8a0e6cfac2f3200d46c28 /exec.c | |
parent | b37837317fb3177755c592591d7f53826c6afae5 (diff) | |
download | hqemu-d0ecd2aaf9ecc2c434eed4c5de7917787476223e.zip hqemu-d0ecd2aaf9ecc2c434eed4c5de7917787476223e.tar.gz |
added cpu_physical_memory_write_rom()
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1833 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'exec.c')
-rw-r--r-- | exec.c | 39 |
1 files changed, 39 insertions, 0 deletions
@@ -2080,6 +2080,45 @@ void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf, } } +/* used for ROM loading : can write in RAM and ROM */ +void cpu_physical_memory_write_rom(target_phys_addr_t addr, + const uint8_t *buf, int len) +{ + int l; + uint8_t *ptr; + target_phys_addr_t page; + unsigned long pd; + PhysPageDesc *p; + + while (len > 0) { + page = addr & TARGET_PAGE_MASK; + l = (page + TARGET_PAGE_SIZE) - addr; + if (l > len) + l = len; + p = phys_page_find(page >> TARGET_PAGE_BITS); + if (!p) { + pd = IO_MEM_UNASSIGNED; + } else { + pd = p->phys_offset; + } + + if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM && + (pd & ~TARGET_PAGE_MASK) != IO_MEM_ROM) { + /* do nothing */ + } else { + unsigned long addr1; + addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); + /* ROM/RAM case */ + ptr = phys_ram_base + addr1; + memcpy(ptr, buf, l); + } + len -= l; + buf += l; + addr += l; + } +} + + /* warning: addr must be aligned */ uint32_t ldl_phys(target_phys_addr_t addr) { |