Class: OrigenAhb::Driver
- Inherits:
-
Object
- Object
- OrigenAhb::Driver
- Defined in:
- lib/origen_ahb/driver.rb
Instance Attribute Summary collapse
-
#owner ⇒ Object
readonly
Returns the value of attribute owner.
Instance Method Summary collapse
- #get_hsize(size) ⇒ Object
-
#initialize(owner, options = {}) ⇒ Driver
constructor
A new instance of Driver.
- #read_register(reg_or_val, options = {}) ⇒ Object
- #write_register(reg_or_val, options = {}) ⇒ Object
Constructor Details
#initialize(owner, options = {}) ⇒ Driver
Returns a new instance of Driver.
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# File 'lib/origen_ahb/driver.rb', line 5 def initialize(owner, = {}) @owner = owner end |
Instance Attribute Details
#owner ⇒ Object (readonly)
Returns the value of attribute owner.
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# File 'lib/origen_ahb/driver.rb', line 3 def owner @owner end |
Instance Method Details
#get_hsize(size) ⇒ Object
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# File 'lib/origen_ahb/driver.rb', line 51 def get_hsize(size) if size <= 8 hsize = 0 elsif size > 8 and size <= 16 hsize = 1 elsif size > 16 and size <= 32 hsize = 2 elsif size > 32 and size <= 64 hsize = 3 elsif size > 64 and size <= 128 hsize = 4 elsif size > 128 and size <= 256 hsize = 5 elsif size > 256 and size <= 512 hsize = 6 elsif size > 512 and size <= 1024 hsize = 7 end get_hsize = hsize end |
#read_register(reg_or_val, options = {}) ⇒ Object
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# File 'lib/origen_ahb/driver.rb', line 9 def read_register(reg_or_val, = {}) = { haddr: [:address] || reg_or_val.address, hdata: reg_or_val, hwrite: 0, hsize: get_hsize(reg_or_val.size), hburst: 0, hmastlock: 0, hprot: 0xF }.merge() cc '==== AHB Read Transaction ====' if reg_or_val.respond_to?('data') data = reg_or_val.data else data = reg_or_val [:hsize] = 2 end cc 'Address: 0x' + [:haddr].to_s(16) + ' Data: 0x' + data.to_s(16) + ' Size: ' + [:hsize].to_s $dut.ahb_trans() end |
#write_register(reg_or_val, options = {}) ⇒ Object
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# File 'lib/origen_ahb/driver.rb', line 30 def write_register(reg_or_val, = {}) = { haddr: [:address] || reg_or_val.address, hdata: reg_or_val, hwrite: 1, hsize: get_hsize(reg_or_val.size), hburst: 0, hmastlock: 0, hprot: 0xF }.merge() cc '==== AHB Write Transaction ====' if reg_or_val.respond_to?('data') data = reg_or_val.data else data = reg_or_val [:hsize] = 2 end cc 'Address: 0x' + [:haddr].to_s(16) + ' Data: 0x' + data.to_s(16) + ' Size: ' + [:hsize].to_s $dut.ahb_trans() end |