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Diffstat (limited to 'hw/sun4u.c')
-rw-r--r--hw/sun4u.c109
1 files changed, 42 insertions, 67 deletions
diff --git a/hw/sun4u.c b/hw/sun4u.c
index bdc6f9510e..9734a963fd 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -67,23 +67,23 @@ void DMA_register_channel (int nchan,
}
/* NVRAM helpers */
-void NVRAM_set_byte (m48t59_t *nvram, uint32_t addr, uint8_t value)
+static void nvram_set_byte (m48t59_t *nvram, uint32_t addr, uint8_t value)
{
m48t59_write(nvram, addr, value);
}
-uint8_t NVRAM_get_byte (m48t59_t *nvram, uint32_t addr)
+static uint8_t nvram_get_byte (m48t59_t *nvram, uint32_t addr)
{
return m48t59_read(nvram, addr);
}
-void NVRAM_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value)
+static void nvram_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value)
{
- m48t59_write(nvram, addr, value >> 8);
- m48t59_write(nvram, addr + 1, value & 0xFF);
+ m48t59_write(nvram, addr++, (value >> 8) & 0xff);
+ m48t59_write(nvram, addr++, value & 0xff);
}
-uint16_t NVRAM_get_word (m48t59_t *nvram, uint32_t addr)
+static uint16_t nvram_get_word (m48t59_t *nvram, uint32_t addr)
{
uint16_t tmp;
@@ -93,30 +93,18 @@ uint16_t NVRAM_get_word (m48t59_t *nvram, uint32_t addr)
return tmp;
}
-void NVRAM_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value)
+static void nvram_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value)
{
- m48t59_write(nvram, addr, value >> 24);
- m48t59_write(nvram, addr + 1, (value >> 16) & 0xFF);
- m48t59_write(nvram, addr + 2, (value >> 8) & 0xFF);
- m48t59_write(nvram, addr + 3, value & 0xFF);
+ m48t59_write(nvram, addr++, value >> 24);
+ m48t59_write(nvram, addr++, (value >> 16) & 0xff);
+ m48t59_write(nvram, addr++, (value >> 8) & 0xff);
+ m48t59_write(nvram, addr++, value & 0xff);
}
-uint32_t NVRAM_get_lword (m48t59_t *nvram, uint32_t addr)
-{
- uint32_t tmp;
-
- tmp = m48t59_read(nvram, addr) << 24;
- tmp |= m48t59_read(nvram, addr + 1) << 16;
- tmp |= m48t59_read(nvram, addr + 2) << 8;
- tmp |= m48t59_read(nvram, addr + 3);
-
- return tmp;
-}
-
-void NVRAM_set_string (m48t59_t *nvram, uint32_t addr,
+static void nvram_set_string (m48t59_t *nvram, uint32_t addr,
const unsigned char *str, uint32_t max)
{
- int i;
+ unsigned int i;
for (i = 0; i < max && str[i] != '\0'; i++) {
m48t59_write(nvram, addr + i, str[i]);
@@ -124,21 +112,7 @@ void NVRAM_set_string (m48t59_t *nvram, uint32_t addr,
m48t59_write(nvram, addr + max - 1, '\0');
}
-int NVRAM_get_string (m48t59_t *nvram, uint8_t *dst, uint16_t addr, int max)
-{
- int i;
-
- memset(dst, 0, max);
- for (i = 0; i < max; i++) {
- dst[i] = NVRAM_get_byte(nvram, addr + i);
- if (dst[i] == '\0')
- break;
- }
-
- return i;
-}
-
-static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value)
+static uint16_t nvram_crc_update (uint16_t prev, uint16_t value)
{
uint16_t tmp;
uint16_t pd, pd1, pd2;
@@ -153,7 +127,8 @@ static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value)
return tmp;
}
-uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count)
+static uint16_t nvram_compute_crc (m48t59_t *nvram, uint32_t start,
+ uint32_t count)
{
uint32_t i;
uint16_t crc = 0xFFFF;
@@ -162,10 +137,10 @@ uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count)
odd = count & 1;
count &= ~1;
for (i = 0; i != count; i++) {
- crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i));
+ crc = nvram_crc_update(crc, nvram_get_word(nvram, start + i));
}
if (odd) {
- crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8);
+ crc = nvram_crc_update(crc, nvram_get_byte(nvram, start + i) << 8);
}
return crc;
@@ -177,7 +152,7 @@ static uint32_t nvram_set_var (m48t59_t *nvram, uint32_t addr,
uint32_t len;
len = strlen(str) + 1;
- NVRAM_set_string(nvram, addr, str, len);
+ nvram_set_string(nvram, addr, str, len);
return addr + len;
}
@@ -215,39 +190,39 @@ int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
uint32_t start, end;
/* Set parameters for Open Hack'Ware BIOS */
- NVRAM_set_string(nvram, 0x00, "QEMU_BIOS", 16);
- NVRAM_set_lword(nvram, 0x10, 0x00000002); /* structure v2 */
- NVRAM_set_word(nvram, 0x14, NVRAM_size);
- NVRAM_set_string(nvram, 0x20, arch, 16);
- NVRAM_set_byte(nvram, 0x2f, nographic & 0xff);
- NVRAM_set_lword(nvram, 0x30, RAM_size);
- NVRAM_set_byte(nvram, 0x34, boot_device);
- NVRAM_set_lword(nvram, 0x38, kernel_image);
- NVRAM_set_lword(nvram, 0x3C, kernel_size);
+ nvram_set_string(nvram, 0x00, "QEMU_BIOS", 16);
+ nvram_set_lword(nvram, 0x10, 0x00000002); /* structure v2 */
+ nvram_set_word(nvram, 0x14, NVRAM_size);
+ nvram_set_string(nvram, 0x20, arch, 16);
+ nvram_set_byte(nvram, 0x2f, nographic & 0xff);
+ nvram_set_lword(nvram, 0x30, RAM_size);
+ nvram_set_byte(nvram, 0x34, boot_device);
+ nvram_set_lword(nvram, 0x38, kernel_image);
+ nvram_set_lword(nvram, 0x3C, kernel_size);
if (cmdline) {
/* XXX: put the cmdline in NVRAM too ? */
strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
- NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR);
- NVRAM_set_lword(nvram, 0x44, strlen(cmdline));
+ nvram_set_lword(nvram, 0x40, CMDLINE_ADDR);
+ nvram_set_lword(nvram, 0x44, strlen(cmdline));
} else {
- NVRAM_set_lword(nvram, 0x40, 0);
- NVRAM_set_lword(nvram, 0x44, 0);
+ nvram_set_lword(nvram, 0x40, 0);
+ nvram_set_lword(nvram, 0x44, 0);
}
- NVRAM_set_lword(nvram, 0x48, initrd_image);
- NVRAM_set_lword(nvram, 0x4C, initrd_size);
- NVRAM_set_lword(nvram, 0x50, NVRAM_image);
+ nvram_set_lword(nvram, 0x48, initrd_image);
+ nvram_set_lword(nvram, 0x4C, initrd_size);
+ nvram_set_lword(nvram, 0x50, NVRAM_image);
- NVRAM_set_word(nvram, 0x54, width);
- NVRAM_set_word(nvram, 0x56, height);
- NVRAM_set_word(nvram, 0x58, depth);
- crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
- NVRAM_set_word(nvram, 0xFC, crc);
+ nvram_set_word(nvram, 0x54, width);
+ nvram_set_word(nvram, 0x56, height);
+ nvram_set_word(nvram, 0x58, depth);
+ crc = nvram_compute_crc(nvram, 0x00, 0xF8);
+ nvram_set_word(nvram, 0xFC, crc);
// OpenBIOS nvram variables
// Variable partition
start = 256;
m48t59_write(nvram, start, 0x70);
- NVRAM_set_string(nvram, start + 4, "system", 12);
+ nvram_set_string(nvram, start + 4, "system", 12);
end = start + 16;
for (i = 0; i < nb_prom_envs; i++)
@@ -260,7 +235,7 @@ int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
// free partition
start = end;
m48t59_write(nvram, start, 0x7f);
- NVRAM_set_string(nvram, start + 4, "free", 12);
+ nvram_set_string(nvram, start + 4, "free", 12);
end = 0x1fd0;
nvram_finish_partition(nvram, start, end);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-13 04:32:49 +0000