diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/block/tc58128.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/block/tc58128.c')
-rw-r--r-- | qemu/hw/block/tc58128.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/qemu/hw/block/tc58128.c b/qemu/hw/block/tc58128.c deleted file mode 100644 index 7909d5041..000000000 --- a/qemu/hw/block/tc58128.c +++ /dev/null @@ -1,181 +0,0 @@ -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/sh4/sh.h" -#include "hw/loader.h" -#include "sysemu/qtest.h" -#include "qemu/error-report.h" - -#define CE1 0x0100 -#define CE2 0x0200 -#define RE 0x0400 -#define WE 0x0800 -#define ALE 0x1000 -#define CLE 0x2000 -#define RDY1 0x4000 -#define RDY2 0x8000 -#define RDY(n) ((n) == 0 ? RDY1 : RDY2) - -typedef enum { WAIT, READ1, READ2, READ3 } state_t; - -typedef struct { - uint8_t *flash_contents; - state_t state; - uint32_t address; - uint8_t address_cycle; -} tc58128_dev; - -static tc58128_dev tc58128_devs[2]; - -#define FLASH_SIZE (16*1024*1024) - -static void init_dev(tc58128_dev * dev, const char *filename) -{ - int ret, blocks; - - dev->state = WAIT; - dev->flash_contents = g_malloc(FLASH_SIZE); - memset(dev->flash_contents, 0xff, FLASH_SIZE); - if (filename) { - /* Load flash image skipping the first block */ - ret = load_image(filename, dev->flash_contents + 528 * 32); - if (ret < 0) { - if (!qtest_enabled()) { - error_report("Could not load flash image %s", filename); - exit(1); - } - } else { - /* Build first block with number of blocks */ - blocks = (ret + 528 * 32 - 1) / (528 * 32); - dev->flash_contents[0] = blocks & 0xff; - dev->flash_contents[1] = (blocks >> 8) & 0xff; - dev->flash_contents[2] = (blocks >> 16) & 0xff; - dev->flash_contents[3] = (blocks >> 24) & 0xff; - fprintf(stderr, "loaded %d bytes for %s into flash\n", ret, - filename); - } - } -} - -static void handle_command(tc58128_dev * dev, uint8_t command) -{ - switch (command) { - case 0xff: - fprintf(stderr, "reset flash device\n"); - dev->state = WAIT; - break; - case 0x00: - fprintf(stderr, "read mode 1\n"); - dev->state = READ1; - dev->address_cycle = 0; - break; - case 0x01: - fprintf(stderr, "read mode 2\n"); - dev->state = READ2; - dev->address_cycle = 0; - break; - case 0x50: - fprintf(stderr, "read mode 3\n"); - dev->state = READ3; - dev->address_cycle = 0; - break; - default: - fprintf(stderr, "unknown flash command 0x%02x\n", command); - abort(); - } -} - -static void handle_address(tc58128_dev * dev, uint8_t data) -{ - switch (dev->state) { - case READ1: - case READ2: - case READ3: - switch (dev->address_cycle) { - case 0: - dev->address = data; - if (dev->state == READ2) - dev->address |= 0x100; - else if (dev->state == READ3) - dev->address |= 0x200; - break; - case 1: - dev->address += data * 528 * 0x100; - break; - case 2: - dev->address += data * 528; - fprintf(stderr, "address pointer in flash: 0x%08x\n", - dev->address); - break; - default: - /* Invalid data */ - abort(); - } - dev->address_cycle++; - break; - default: - abort(); - } -} - -static uint8_t handle_read(tc58128_dev * dev) -{ -#if 0 - if (dev->address % 0x100000 == 0) - fprintf(stderr, "reading flash at address 0x%08x\n", dev->address); -#endif - return dev->flash_contents[dev->address++]; -} - -/* We never mark the device as busy, so interrupts cannot be triggered - XXXXX */ - -static int tc58128_cb(uint16_t porta, uint16_t portb, - uint16_t * periph_pdtra, uint16_t * periph_portadir, - uint16_t * periph_pdtrb, uint16_t * periph_portbdir) -{ - int dev; - - if ((porta & CE1) == 0) - dev = 0; - else if ((porta & CE2) == 0) - dev = 1; - else - return 0; /* No device selected */ - - if ((porta & RE) && (porta & WE)) { - /* Nothing to do, assert ready and return to input state */ - *periph_portadir &= 0xff00; - *periph_portadir |= RDY(dev); - *periph_pdtra |= RDY(dev); - return 1; - } - - if (porta & CLE) { - /* Command */ - assert((porta & WE) == 0); - handle_command(&tc58128_devs[dev], porta & 0x00ff); - } else if (porta & ALE) { - assert((porta & WE) == 0); - handle_address(&tc58128_devs[dev], porta & 0x00ff); - } else if ((porta & RE) == 0) { - *periph_portadir |= 0x00ff; - *periph_pdtra &= 0xff00; - *periph_pdtra |= handle_read(&tc58128_devs[dev]); - } else { - abort(); - } - return 1; -} - -static sh7750_io_device tc58128 = { - RE | WE, /* Port A triggers */ - 0, /* Port B triggers */ - tc58128_cb /* Callback */ -}; - -int tc58128_init(struct SH7750State *s, const char *zone1, const char *zone2) -{ - init_dev(&tc58128_devs[0], zone1); - init_dev(&tc58128_devs[1], zone2); - return sh7750_register_io_device(s, &tc58128); -} |